qgis / src / providers / mssql / qgsmssqlprovider.cpp @ master
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/***************************************************************************
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qgsmssqlprovider.cpp - Data provider for mssql server
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-------------------
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begin : 2011-10-08
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copyright : (C) 2011 by Tamas Szekeres
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email : szekerest at gmail.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgsmssqlprovider.h" |
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#include "moc_qgsmssqlprovider.cpp" |
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#include "qgsmssqlconnection.h" |
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#include "qgsmssqldatabase.h" |
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#include "qgsmssqlproviderconnection.h" |
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#include "qgsfeedback.h" |
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#include "qgsdbquerylog.h" |
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#include "qgsdbquerylog_p.h" |
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#include "qgsvariantutils.h" |
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#include <QtGlobal> |
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#include <QFileInfo> |
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#include <QDataStream> |
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#include <QStringList> |
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#include <QSettings> |
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#include <QRegularExpression> |
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#include <QUrl> |
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#include <QtSql/QSqlDatabase> |
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#include <QtSql/QSqlQuery> |
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#include <QtSql/QSqlError> |
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#include <QtSql/QSqlRecord> |
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#include <QtSql/QSqlField> |
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#include <QStringBuilder> |
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#include <QWaitCondition> |
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#include "qgsapplication.h" |
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#include "qgsdataprovider.h" |
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#include "qgsfeature.h" |
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#include "qgsfields.h" |
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#include "qgsgeometry.h" |
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#include "qgslogger.h" |
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#include "qgsmessagelog.h" |
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#include "qgsrectangle.h" |
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#include "qgis.h" |
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#include "qgsmssqldataitems.h" |
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#include "qgsmssqlfeatureiterator.h" |
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#include "qgsmssqltransaction.h" |
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#include "qgsconfig.h" |
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constexpr int sMssqlConQueryLogFilePrefixLength = CMAKE_SOURCE_DIR[sizeof( CMAKE_SOURCE_DIR ) - 1] == '/' ? sizeof( CMAKE_SOURCE_DIR ) + 1 : sizeof( CMAKE_SOURCE_DIR ); |
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#define LoggedExec( query, sql ) execLogged( query, sql, QString( QString( __FILE__ ).mid( sMssqlConQueryLogFilePrefixLength ) + ':' + QString::number( __LINE__ ) + " (" + __FUNCTION__ + ")" ) ) |
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#define LoggedExecPrepared( query ) execPreparedLogged( query, QString( QString( __FILE__ ).mid( sMssqlConQueryLogFilePrefixLength ) + ':' + QString::number( __LINE__ ) + " (" + __FUNCTION__ + ")" ) ) |
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#define LoggedExecMetadata( query, sql, uri ) execLogged( query, sql, uri, QString( QString( __FILE__ ).mid( sMssqlConQueryLogFilePrefixLength ) + ':' + QString::number( __LINE__ ) + " (" + __FUNCTION__ + ")" ) ) |
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const QString QgsMssqlProvider::MSSQL_PROVIDER_KEY = QStringLiteral( "mssql" ); |
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const QString QgsMssqlProvider::MSSQL_PROVIDER_DESCRIPTION = QStringLiteral( "MSSQL spatial data provider" ); |
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int QgsMssqlProvider::sConnectionId = 0; |
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QgsMssqlProvider::QgsMssqlProvider( const QString &uri, const ProviderOptions &options, Qgis::DataProviderReadFlags flags ) |
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: QgsVectorDataProvider( uri, options, flags ) |
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, mShared( new QgsMssqlSharedData )
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{
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const QgsDataSourceUri anUri = QgsDataSourceUri( uri );
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if ( !anUri.srid().isEmpty() )
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mSRId = anUri.srid().toInt(); |
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else
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mSRId = -1;
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mWkbType = anUri.wkbType(); |
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mValid = true;
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mUserName = anUri.username(); |
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mPassword = anUri.password(); |
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mService = anUri.service(); |
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mDatabaseName = anUri.database(); |
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mHost = anUri.host(); |
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mUseEstimatedMetadata = anUri.useEstimatedMetadata(); |
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if ( mReadFlags & Qgis::DataProviderReadFlag::TrustDataSource )
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{
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mUseEstimatedMetadata = true;
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} |
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mDisableInvalidGeometryHandling = anUri.hasParam( QStringLiteral( "disableInvalidGeometryHandling" ) )
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? anUri.param( QStringLiteral( "disableInvalidGeometryHandling" ) ).toInt()
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: false;
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mUseGeometryColumnsTableForExtent = anUri.hasParam( QStringLiteral( "extentInGeometryColumns" ) )
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? anUri.param( QStringLiteral( "extentInGeometryColumns" ) ).toInt()
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: false;
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mSqlWhereClause = anUri.sql(); |
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mConn = QgsMssqlDatabase::connectDb( mService, mHost, mDatabaseName, mUserName, mPassword, false );
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if ( !mConn )
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{
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mValid = false;
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return;
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} |
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QSqlDatabase db = mConn->db(); |
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if ( !db.isOpen() )
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{
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setLastError( db.lastError().text() ); |
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QgsDebugError( mLastError ); |
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mValid = false;
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return;
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} |
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// Database successfully opened; we can now issue SQL commands.
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if ( !anUri.schema().isEmpty() )
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mSchemaName = anUri.schema(); |
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else
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mSchemaName = QStringLiteral( "dbo" );
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if ( !anUri.table().isEmpty() )
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{
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// the layer name has been specified
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mTableName = anUri.table(); |
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QStringList sl = mTableName.split( '.' );
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if ( sl.length() == 2 ) |
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{
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mSchemaName = sl[0];
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mTableName = sl[1];
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} |
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mTables = QStringList( mTableName ); |
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} |
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else
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{
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// Get a list of table
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mTables = db.tables( QSql::Tables ); |
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if ( !mTables.isEmpty() )
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mTableName = mTables[0];
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else
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mValid = false;
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} |
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if ( mValid )
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{
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if ( !anUri.geometryColumn().isEmpty() )
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mGeometryColName = anUri.geometryColumn(); |
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if ( mSRId < 0 || mWkbType == Qgis::WkbType::Unknown || mGeometryColName.isEmpty() ) |
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{
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loadMetadata(); |
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} |
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loadFields(); |
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UpdateStatistics( mUseEstimatedMetadata ); |
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//only for views, defined in layer data when loading layer for first time
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bool primaryKeyFromGeometryColumnsTable = anUri.hasParam( QStringLiteral( "primaryKeyInGeometryColumns" ) ) |
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? anUri.param( QStringLiteral( "primaryKeyInGeometryColumns" ) ).toInt()
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: false;
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QStringList cols; |
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if ( primaryKeyFromGeometryColumnsTable )
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{
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mPrimaryKeyType = PktUnknown; |
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mPrimaryKeyAttrs.clear(); |
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primaryKeyFromGeometryColumnsTable = getPrimaryKeyFromGeometryColumns( cols ); |
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if ( !primaryKeyFromGeometryColumnsTable )
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QgsMessageLog::logMessage( tr( "Invalid primary key from geometry_columns table for layer '%1', get primary key from the layer." ).arg( anUri.table() ), tr( "MS SQL Server" ) ); |
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} |
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if ( !primaryKeyFromGeometryColumnsTable )
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{
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const QString primaryKey = anUri.keyColumn();
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if ( !primaryKey.isEmpty() )
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{
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mPrimaryKeyAttrs.clear(); |
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cols = parseUriKey( primaryKey ); |
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} |
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} |
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if ( mValid )
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{
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for ( const QString &col : std::as_const( cols ) ) |
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{
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const int idx = mAttributeFields.indexFromName( col ); |
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if ( idx < 0 ) |
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{
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QgsMessageLog::logMessage( tr( "Key field '%1' for view/query not found." ).arg( col ), tr( "MSSQL" ) ); |
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mPrimaryKeyType = PktUnknown; |
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mPrimaryKeyAttrs.clear(); |
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break;
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} |
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const QgsField &fld = mAttributeFields.at( idx );
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if ( mPrimaryKeyAttrs.size() == 0 && ( fld.type() == QMetaType::Type::Int || fld.type() == QMetaType::Type::LongLong || ( fld.type() == QMetaType::Type::Double && fld.precision() == 0 ) ) ) |
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{
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mPrimaryKeyType = PktInt; |
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} |
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else
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{
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mPrimaryKeyType = PktFidMap; |
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} |
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mPrimaryKeyAttrs << idx; |
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} |
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if ( mGeometryColName.isEmpty() )
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{
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// table contains no geometries
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mWkbType = Qgis::WkbType::NoGeometry; |
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mSRId = 0;
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} |
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} |
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} |
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//fill type names into sets
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setNativeTypes( QgsMssqlConnection::nativeTypes() ); |
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} |
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QgsMssqlProvider::~QgsMssqlProvider() |
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{
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} |
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QgsAbstractFeatureSource *QgsMssqlProvider::featureSource() const
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{
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return new QgsMssqlFeatureSource( this ); |
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} |
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QgsFeatureIterator QgsMssqlProvider::getFeatures( const QgsFeatureRequest &request ) const |
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{
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if ( !mValid )
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{
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QgsDebugError( QStringLiteral( "Read attempt on an invalid mssql data source" ) );
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return QgsFeatureIterator();
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} |
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return QgsFeatureIterator( new QgsMssqlFeatureIterator( new QgsMssqlFeatureSource( this ), true, request ) ); |
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} |
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QMetaType::Type QgsMssqlProvider::DecodeSqlType( const QString &sqlTypeName )
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{
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QMetaType::Type type = QMetaType::Type::UnknownType; |
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if ( sqlTypeName.startsWith( QLatin1String( "decimal" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "numeric" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "real" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "float" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::Double; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "char" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "nchar" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "varchar" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "nvarchar" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "text" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "ntext" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "uniqueidentifier" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QString; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "smallint" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "int" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "bit" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "tinyint" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::Int; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "bigint" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::LongLong; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "binary" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "varbinary" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "image" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QByteArray; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "datetime" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "smalldatetime" ), Qt::CaseInsensitive ) || sqlTypeName.startsWith( QLatin1String( "datetime2" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QDateTime; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "date" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QDate; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "timestamp" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QString; |
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} |
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else if ( sqlTypeName.startsWith( QLatin1String( "time" ), Qt::CaseInsensitive ) ) |
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{
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type = QMetaType::Type::QTime; |
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} |
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else
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{
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QgsDebugError( QStringLiteral( "Unknown field type: %1" ).arg( sqlTypeName ) );
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// Everything else just dumped as a string.
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type = QMetaType::Type::QString; |
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} |
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return type;
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} |
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void QgsMssqlProvider::loadMetadata()
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{
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mSRId = 0;
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mWkbType = Qgis::WkbType::Unknown; |
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QSqlQuery query = createQuery(); |
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query.setForwardOnly( true );
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if ( !LoggedExec( query, QStringLiteral( "SELECT f_geometry_column, srid, geometry_type, coord_dimension FROM geometry_columns WHERE f_table_schema=%1 AND f_table_name=%2" ).arg( quotedValue( mSchemaName ), quotedValue( mTableName ) ) ) ) |
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{
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QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
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} |
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if ( query.isActive() && query.next() )
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{
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mGeometryColName = query.value( 0 ).toString();
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mSRId = query.value( 1 ).toInt();
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const int dimensions = query.value( 3 ).toInt(); |
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const QString detectedType { QgsMssqlProvider::typeFromMetadata( query.value( 2 ).toString().toUpper(), dimensions ) }; |
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mWkbType = getWkbType( detectedType ); |
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} |
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} |
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bool QgsMssqlProvider::execLogged( QSqlQuery &qry, const QString &sql, const QString &queryOrigin ) const |
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{
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QgsDatabaseQueryLogWrapper logWrapper { sql, uri().uri(), QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), queryOrigin };
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const bool res { qry.exec( sql ) }; |
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if ( !res )
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{
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logWrapper.setError( qry.lastError().text() ); |
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} |
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else
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{
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if ( qry.isSelect() )
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{
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logWrapper.setFetchedRows( qry.size() ); |
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} |
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else
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{
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logWrapper.setFetchedRows( qry.numRowsAffected() ); |
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} |
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} |
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logWrapper.setQuery( qry.lastQuery() ); |
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return res;
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} |
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bool QgsMssqlProvider::execPreparedLogged( QSqlQuery &qry, const QString &queryOrigin ) const |
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{
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QgsDatabaseQueryLogWrapper logWrapper { qry.lastQuery(), uri().uri(), QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), queryOrigin };
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const bool res { qry.exec() }; |
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if ( !res )
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{
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logWrapper.setError( qry.lastError().text() ); |
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} |
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else
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{
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if ( qry.isSelect() )
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{
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logWrapper.setFetchedRows( qry.size() ); |
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} |
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else
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{
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logWrapper.setFetchedRows( qry.numRowsAffected() ); |
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} |
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} |
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logWrapper.setQuery( qry.lastQuery() ); |
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return res;
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} |
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void QgsMssqlProvider::setLastError( const QString &error ) |
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{
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appendError( error ); |
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mLastError = error; |
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} |
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QSqlQuery QgsMssqlProvider::createQuery() const
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{
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std::shared_ptr<QgsMssqlDatabase> conn = connection(); |
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QSqlDatabase d = conn->db(); |
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if ( !d.isOpen() )
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{
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QgsDebugError( "Creating query, but the database is not open!" );
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} |
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return QSqlQuery( d );
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} |
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void QgsMssqlProvider::loadFields()
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{
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bool isIdentity = false; |
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mAttributeFields.clear(); |
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mDefaultValues.clear(); |
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mComputedColumns.clear(); |
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// get field spec
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QSqlQuery query = createQuery(); |
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query.setForwardOnly( true );
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const QString sql { QStringLiteral( "SELECT name FROM sys.columns WHERE is_computed = 1 AND object_id = OBJECT_ID('[%1].[%2]')" ).arg( mSchemaName, mTableName ) }; |
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// Get computed columns which need to be ignored on insert or update.
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if ( !LoggedExec( query, sql ) )
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{
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pushError( query.lastError().text() ); |
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return;
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} |
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while ( query.next() )
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{
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mComputedColumns.append( query.value( 0 ).toString() );
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} |
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// Field has unique constraint
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QSet<QString> setColumnUnique; |
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{
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const QString sql2 { QStringLiteral( "SELECT * FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC" |
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" INNER JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CC ON TC.CONSTRAINT_NAME = CC.CONSTRAINT_NAME"
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" WHERE TC.CONSTRAINT_SCHEMA = '%1' AND TC.TABLE_NAME = '%2' AND TC.CONSTRAINT_TYPE = 'unique'" )
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.arg( mSchemaName, mTableName ) }; |
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if ( !LoggedExec( query, sql2 ) )
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{
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pushError( query.lastError().text() ); |
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return;
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} |
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while ( query.next() )
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{
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setColumnUnique.insert( query.value( QStringLiteral( "COLUMN_NAME" ) ).toString() );
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} |
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} |
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const QString sql3 { QStringLiteral( "exec sp_columns @table_name = N%1, @table_owner = %2" ).arg( quotedValue( mTableName ), quotedValue( mSchemaName ) ) }; |
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if ( !LoggedExec( query, sql3 ) )
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{
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pushError( query.lastError().text() ); |
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return;
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} |
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int i = 0; |
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QStringList pkCandidates; |
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while ( query.next() )
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{
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const QString colName = query.value( QStringLiteral( "COLUMN_NAME" ) ).toString(); |
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const QString sqlTypeName = query.value( QStringLiteral( "TYPE_NAME" ) ).toString(); |
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bool columnIsIdentity = false; |
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|
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// if we don't have an explicitly set geometry column name, and this is a geometry column, then use it
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// but if we DO have an explicitly set geometry column name, then load the other information if this is that column
|
| 444 |
if ( ( mGeometryColName.isEmpty() && ( sqlTypeName == QLatin1String( "geometry" ) || sqlTypeName == QLatin1String( "geography" ) ) ) |
| 445 |
|| colName == mGeometryColName ) |
| 446 |
{
|
| 447 |
mGeometryColName = colName; |
| 448 |
mGeometryColType = sqlTypeName; |
| 449 |
mParser.mIsGeography = sqlTypeName == QLatin1String( "geography" );
|
| 450 |
} |
| 451 |
else
|
| 452 |
{
|
| 453 |
const QMetaType::Type sqlType = DecodeSqlType( sqlTypeName );
|
| 454 |
if ( sqlTypeName == QLatin1String( "int identity" ) || sqlTypeName == QLatin1String( "bigint identity" ) ) |
| 455 |
{
|
| 456 |
mPrimaryKeyType = PktInt; |
| 457 |
mPrimaryKeyAttrs << mAttributeFields.size(); |
| 458 |
columnIsIdentity = true;
|
| 459 |
isIdentity = true;
|
| 460 |
} |
| 461 |
else if ( sqlTypeName == QLatin1String( "int" ) || sqlTypeName == QLatin1String( "bigint" ) ) |
| 462 |
{
|
| 463 |
pkCandidates << colName; |
| 464 |
} |
| 465 |
|
| 466 |
QgsField field; |
| 467 |
if ( sqlType == QMetaType::Type::QString )
|
| 468 |
{
|
| 469 |
// Field length in chars is column 7 ("Length") of the sp_columns output,
|
| 470 |
// except for uniqueidentifiers which must use column 6 ("Precision").
|
| 471 |
int length = query.value( sqlTypeName.startsWith( QStringLiteral( "uniqueidentifier" ), Qt::CaseInsensitive ) ? 6 : 7 ).toInt(); |
| 472 |
if ( sqlTypeName.startsWith( QLatin1Char( 'n' ) ) ) |
| 473 |
{
|
| 474 |
length = length / 2;
|
| 475 |
} |
| 476 |
field = QgsField( colName, sqlType, sqlTypeName, length ); |
| 477 |
} |
| 478 |
else if ( sqlType == QMetaType::Type::Double ) |
| 479 |
{
|
| 480 |
field = QgsField( colName, sqlType, sqlTypeName, query.value( QStringLiteral( "PRECISION" ) ).toInt(), sqlTypeName == QLatin1String( "decimal" ) || sqlTypeName == QLatin1String( "numeric" ) ? query.value( QStringLiteral( "SCALE" ) ).toInt() : -1 ); |
| 481 |
} |
| 482 |
else if ( sqlType == QMetaType::Type::QDate || sqlType == QMetaType::Type::QDateTime || sqlType == QMetaType::Type::QTime ) |
| 483 |
{
|
| 484 |
field = QgsField( colName, sqlType, sqlTypeName, -1, -1 ); |
| 485 |
} |
| 486 |
else
|
| 487 |
{
|
| 488 |
field = QgsField( colName, sqlType, sqlTypeName ); |
| 489 |
} |
| 490 |
|
| 491 |
// Field nullable
|
| 492 |
const bool nullable = query.value( QStringLiteral( "NULLABLE" ) ).toBool(); |
| 493 |
|
| 494 |
// Set constraints
|
| 495 |
QgsFieldConstraints constraints; |
| 496 |
if ( !nullable )
|
| 497 |
constraints.setConstraint( QgsFieldConstraints::ConstraintNotNull, QgsFieldConstraints::ConstraintOriginProvider ); |
| 498 |
if ( setColumnUnique.contains( colName ) )
|
| 499 |
constraints.setConstraint( QgsFieldConstraints::ConstraintUnique, QgsFieldConstraints::ConstraintOriginProvider ); |
| 500 |
field.setConstraints( constraints ); |
| 501 |
|
| 502 |
if ( columnIsIdentity )
|
| 503 |
{
|
| 504 |
field.setReadOnly( true );
|
| 505 |
} |
| 506 |
|
| 507 |
mAttributeFields.append( field ); |
| 508 |
|
| 509 |
// Default value
|
| 510 |
if ( !QgsVariantUtils::isNull( query.value( QStringLiteral( "COLUMN_DEF" ) ) ) ) |
| 511 |
{
|
| 512 |
mDefaultValues.insert( i, query.value( QStringLiteral( "COLUMN_DEF" ) ).toString() );
|
| 513 |
} |
| 514 |
else if ( columnIsIdentity ) |
| 515 |
{
|
| 516 |
// identity column types don't report a default value clause in the COLUMN_DEF attribute. So we need to fake
|
| 517 |
// one, so that we can correctly indicate that the database is responsible for populating this column.
|
| 518 |
mDefaultValues.insert( i, QStringLiteral( "Autogenerate" ) );
|
| 519 |
} |
| 520 |
|
| 521 |
++i; |
| 522 |
} |
| 523 |
} |
| 524 |
|
| 525 |
// get primary key
|
| 526 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 527 |
{
|
| 528 |
query.clear(); |
| 529 |
query.setForwardOnly( true );
|
| 530 |
const QString sql4 { QStringLiteral( "exec sp_pkeys @table_name = N%1, @table_owner = %2 " ).arg( quotedValue( mTableName ), quotedValue( mSchemaName ) ) }; |
| 531 |
if ( !LoggedExec( query, sql4 ) )
|
| 532 |
{
|
| 533 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 534 |
} |
| 535 |
|
| 536 |
if ( query.isActive() )
|
| 537 |
{
|
| 538 |
mPrimaryKeyType = PktInt; |
| 539 |
|
| 540 |
while ( query.next() )
|
| 541 |
{
|
| 542 |
const QString fidColName = query.value( 3 ).toString(); |
| 543 |
const int idx = mAttributeFields.indexFromName( fidColName ); |
| 544 |
const QgsField &fld = mAttributeFields.at( idx );
|
| 545 |
|
| 546 |
if ( !mPrimaryKeyAttrs.isEmpty() || ( fld.type() != QMetaType::Type::Int && fld.type() != QMetaType::Type::LongLong && ( fld.type() != QMetaType::Type::Double || fld.precision() != 0 ) ) ) |
| 547 |
mPrimaryKeyType = PktFidMap; |
| 548 |
|
| 549 |
mPrimaryKeyAttrs << idx; |
| 550 |
} |
| 551 |
|
| 552 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 553 |
{
|
| 554 |
mPrimaryKeyType = PktUnknown; |
| 555 |
} |
| 556 |
} |
| 557 |
} |
| 558 |
|
| 559 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 560 |
{
|
| 561 |
const auto constPkCandidates = pkCandidates; |
| 562 |
for ( const QString &pk : constPkCandidates ) |
| 563 |
{
|
| 564 |
query.clear(); |
| 565 |
query.setForwardOnly( true );
|
| 566 |
const QString sql5 { QStringLiteral( "select count(distinct [%1]), count([%1]) from [%2].[%3]" ) |
| 567 |
.arg( pk, mSchemaName, mTableName ) }; |
| 568 |
if ( !LoggedExec( query, sql5 ) )
|
| 569 |
{
|
| 570 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 571 |
} |
| 572 |
|
| 573 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == query.value( 1 ).toInt() ) |
| 574 |
{
|
| 575 |
mPrimaryKeyType = PktInt; |
| 576 |
mPrimaryKeyAttrs << mAttributeFields.indexFromName( pk ); |
| 577 |
return;
|
| 578 |
} |
| 579 |
} |
| 580 |
} |
| 581 |
|
| 582 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 583 |
{
|
| 584 |
const QString error = QStringLiteral( "No primary key could be found on table %1" ).arg( mTableName ); |
| 585 |
QgsDebugError( error ); |
| 586 |
mValid = false;
|
| 587 |
setLastError( error ); |
| 588 |
} |
| 589 |
|
| 590 |
if ( mPrimaryKeyAttrs.size() == 1 && !isIdentity ) |
| 591 |
{
|
| 592 |
// primary key has unique constraints
|
| 593 |
QgsFieldConstraints constraints = mAttributeFields.at( mPrimaryKeyAttrs[0] ).constraints();
|
| 594 |
constraints.setConstraint( QgsFieldConstraints::ConstraintUnique, QgsFieldConstraints::ConstraintOriginProvider ); |
| 595 |
mAttributeFields[mPrimaryKeyAttrs[0]].setConstraints( constraints );
|
| 596 |
} |
| 597 |
} |
| 598 |
|
| 599 |
QString QgsMssqlProvider::quotedValue( const QVariant &value )
|
| 600 |
{
|
| 601 |
if ( QgsVariantUtils::isNull( value ) )
|
| 602 |
return QStringLiteral( "NULL" ); |
| 603 |
|
| 604 |
switch ( value.userType() )
|
| 605 |
{
|
| 606 |
case QMetaType::Type::Int:
|
| 607 |
case QMetaType::Type::LongLong:
|
| 608 |
case QMetaType::Type::Double:
|
| 609 |
return value.toString();
|
| 610 |
|
| 611 |
case QMetaType::Type::Bool:
|
| 612 |
return QString( value.toBool() ? '1' : '0' ); |
| 613 |
|
| 614 |
default:
|
| 615 |
case QMetaType::Type::QString:
|
| 616 |
QString v = value.toString(); |
| 617 |
v.replace( '\'', QLatin1String( "''" ) ); |
| 618 |
if ( v.contains( '\\' ) ) |
| 619 |
return v.replace( '\\', QLatin1String( "\\\\" ) ).prepend( "N'" ).append( '\'' ); |
| 620 |
else
|
| 621 |
return v.prepend( '\'' ).append( '\'' ); |
| 622 |
} |
| 623 |
} |
| 624 |
|
| 625 |
QString QgsMssqlProvider::quotedIdentifier( const QString &value )
|
| 626 |
{
|
| 627 |
return QStringLiteral( "[%1]" ).arg( value ); |
| 628 |
} |
| 629 |
|
| 630 |
QString QgsMssqlProvider::defaultValueClause( int fieldId ) const |
| 631 |
{
|
| 632 |
const QString defVal = mDefaultValues.value( fieldId, QString() );
|
| 633 |
|
| 634 |
if ( defVal.isEmpty() )
|
| 635 |
return QString();
|
| 636 |
|
| 637 |
// NOTE: If EvaluateDefaultValues is activated it is impossible to get the defaultValueClause.
|
| 638 |
// This also apply to QgsPostgresProvider::defaultValueClause.
|
| 639 |
if ( !providerProperty( EvaluateDefaultValues, false ).toBool() ) |
| 640 |
return defVal;
|
| 641 |
|
| 642 |
return QString();
|
| 643 |
} |
| 644 |
|
| 645 |
QVariant QgsMssqlProvider::defaultValue( int fieldId ) const |
| 646 |
{
|
| 647 |
const QString defVal = mDefaultValues.value( fieldId, QString() );
|
| 648 |
|
| 649 |
if ( defVal.isEmpty() )
|
| 650 |
return QVariant();
|
| 651 |
|
| 652 |
if ( !providerProperty( EvaluateDefaultValues, false ).toBool() ) |
| 653 |
return QVariant();
|
| 654 |
|
| 655 |
const QString sql = QStringLiteral( "select %1" ) |
| 656 |
.arg( defVal ); |
| 657 |
|
| 658 |
QSqlQuery query = createQuery(); |
| 659 |
query.setForwardOnly( true );
|
| 660 |
|
| 661 |
if ( !LoggedExec( query, sql ) )
|
| 662 |
{
|
| 663 |
const QString errorMessage( tr( "Could not execute query: %1" ).arg( query.lastError().text() ) ); |
| 664 |
QgsDebugError( errorMessage ); |
| 665 |
pushError( errorMessage ); |
| 666 |
return QVariant();
|
| 667 |
} |
| 668 |
|
| 669 |
if ( !query.next() )
|
| 670 |
{
|
| 671 |
const QString errorMessage( tr( "Could not fetch next query value: %1" ).arg( query.lastError().text() ) ); |
| 672 |
QgsDebugError( errorMessage ); |
| 673 |
pushError( errorMessage ); |
| 674 |
return QVariant();
|
| 675 |
} |
| 676 |
|
| 677 |
const QVariant res = query.value( 0 ); |
| 678 |
return QgsVariantUtils::isNull( res ) ? QVariant() : res;
|
| 679 |
} |
| 680 |
|
| 681 |
QString QgsMssqlProvider::storageType() const
|
| 682 |
{
|
| 683 |
return QStringLiteral( "MSSQL spatial database" ); |
| 684 |
} |
| 685 |
|
| 686 |
QVariant QgsMssqlProvider::convertTimeValue( const QVariant &value )
|
| 687 |
{
|
| 688 |
if ( value.isValid() && value.userType() == QMetaType::Type::QByteArray )
|
| 689 |
{
|
| 690 |
// time fields can be returned as byte arrays... woot
|
| 691 |
const QByteArray ba = value.toByteArray();
|
| 692 |
if ( ba.length() >= 5 ) |
| 693 |
{
|
| 694 |
const int hours = ba.at( 0 ); |
| 695 |
const int mins = ba.at( 2 ); |
| 696 |
const int seconds = ba.at( 4 ); |
| 697 |
QVariant t = QTime( hours, mins, seconds ); |
| 698 |
if ( !t.isValid() ) // can't handle it |
| 699 |
t = QgsVariantUtils::createNullVariant( QMetaType::Type::QTime ); |
| 700 |
return t;
|
| 701 |
} |
| 702 |
return QgsVariantUtils::createNullVariant( QMetaType::Type::QTime );
|
| 703 |
} |
| 704 |
return value;
|
| 705 |
} |
| 706 |
|
| 707 |
// Returns the minimum value of an attribute
|
| 708 |
QVariant QgsMssqlProvider::minimumValue( int index ) const |
| 709 |
{
|
| 710 |
if ( index < 0 || index >= mAttributeFields.count() ) |
| 711 |
{
|
| 712 |
return QVariant();
|
| 713 |
} |
| 714 |
|
| 715 |
// get the field name
|
| 716 |
const QgsField &fld = mAttributeFields.at( index );
|
| 717 |
QString sql = QStringLiteral( "select min([%1]) from " )
|
| 718 |
.arg( fld.name() ); |
| 719 |
|
| 720 |
sql += QStringLiteral( "[%1].[%2]" ).arg( mSchemaName, mTableName );
|
| 721 |
|
| 722 |
if ( !mSqlWhereClause.isEmpty() )
|
| 723 |
{
|
| 724 |
sql += QStringLiteral( " where (%1)" ).arg( mSqlWhereClause );
|
| 725 |
} |
| 726 |
|
| 727 |
QSqlQuery query = createQuery(); |
| 728 |
query.setForwardOnly( true );
|
| 729 |
|
| 730 |
if ( !LoggedExec( query, sql ) )
|
| 731 |
{
|
| 732 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 733 |
} |
| 734 |
|
| 735 |
if ( query.isActive() && query.next() )
|
| 736 |
{
|
| 737 |
QVariant v = query.value( 0 );
|
| 738 |
if ( fld.type() == QMetaType::Type::QTime )
|
| 739 |
v = convertTimeValue( v ); |
| 740 |
if ( v.userType() != fld.type() )
|
| 741 |
v = convertValue( fld.type(), v.toString() ); |
| 742 |
return v;
|
| 743 |
} |
| 744 |
|
| 745 |
return QVariant( QString() );
|
| 746 |
} |
| 747 |
|
| 748 |
// Returns the maximum value of an attribute
|
| 749 |
QVariant QgsMssqlProvider::maximumValue( int index ) const |
| 750 |
{
|
| 751 |
if ( index < 0 || index >= mAttributeFields.count() ) |
| 752 |
{
|
| 753 |
return QVariant();
|
| 754 |
} |
| 755 |
|
| 756 |
// get the field name
|
| 757 |
const QgsField &fld = mAttributeFields.at( index );
|
| 758 |
QString sql = QStringLiteral( "select max([%1]) from " )
|
| 759 |
.arg( fld.name() ); |
| 760 |
|
| 761 |
sql += QStringLiteral( "[%1].[%2]" ).arg( mSchemaName, mTableName );
|
| 762 |
|
| 763 |
if ( !mSqlWhereClause.isEmpty() )
|
| 764 |
{
|
| 765 |
sql += QStringLiteral( " where (%1)" ).arg( mSqlWhereClause );
|
| 766 |
} |
| 767 |
|
| 768 |
QSqlQuery query = createQuery(); |
| 769 |
query.setForwardOnly( true );
|
| 770 |
|
| 771 |
if ( !LoggedExec( query, sql ) )
|
| 772 |
{
|
| 773 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 774 |
} |
| 775 |
|
| 776 |
if ( query.isActive() && query.next() )
|
| 777 |
{
|
| 778 |
QVariant v = query.value( 0 );
|
| 779 |
if ( fld.type() == QMetaType::Type::QTime )
|
| 780 |
v = convertTimeValue( v ); |
| 781 |
if ( v.userType() != fld.type() )
|
| 782 |
v = convertValue( fld.type(), v.toString() ); |
| 783 |
return v;
|
| 784 |
} |
| 785 |
|
| 786 |
return QVariant( QString() );
|
| 787 |
} |
| 788 |
|
| 789 |
// Returns the list of unique values of an attribute
|
| 790 |
QSet<QVariant> QgsMssqlProvider::uniqueValues( int index, int limit ) const |
| 791 |
{
|
| 792 |
QSet<QVariant> uniqueValues; |
| 793 |
if ( index < 0 || index >= mAttributeFields.count() ) |
| 794 |
{
|
| 795 |
return uniqueValues;
|
| 796 |
} |
| 797 |
|
| 798 |
// get the field name
|
| 799 |
const QgsField &fld = mAttributeFields.at( index );
|
| 800 |
QString sql = QStringLiteral( "select distinct " );
|
| 801 |
|
| 802 |
if ( limit > 0 ) |
| 803 |
{
|
| 804 |
sql += QStringLiteral( " top %1 " ).arg( limit );
|
| 805 |
} |
| 806 |
|
| 807 |
sql += QStringLiteral( "[%1] from " )
|
| 808 |
.arg( fld.name() ); |
| 809 |
|
| 810 |
sql += QStringLiteral( "[%1].[%2]" ).arg( mSchemaName, mTableName );
|
| 811 |
|
| 812 |
if ( !mSqlWhereClause.isEmpty() )
|
| 813 |
{
|
| 814 |
sql += QStringLiteral( " where (%1)" ).arg( mSqlWhereClause );
|
| 815 |
} |
| 816 |
|
| 817 |
QSqlQuery query = createQuery(); |
| 818 |
query.setForwardOnly( true );
|
| 819 |
|
| 820 |
if ( !LoggedExec( query, sql ) )
|
| 821 |
{
|
| 822 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 823 |
} |
| 824 |
|
| 825 |
if ( query.isActive() )
|
| 826 |
{
|
| 827 |
// read all features
|
| 828 |
while ( query.next() )
|
| 829 |
{
|
| 830 |
QVariant v = query.value( 0 );
|
| 831 |
if ( fld.type() == QMetaType::Type::QTime )
|
| 832 |
v = convertTimeValue( v ); |
| 833 |
if ( v.userType() != fld.type() )
|
| 834 |
v = convertValue( fld.type(), v.toString() ); |
| 835 |
uniqueValues.insert( v ); |
| 836 |
} |
| 837 |
} |
| 838 |
return uniqueValues;
|
| 839 |
} |
| 840 |
|
| 841 |
QStringList QgsMssqlProvider::uniqueStringsMatching( int index, const QString &substring, int limit, QgsFeedback *feedback ) const |
| 842 |
{
|
| 843 |
QStringList results; |
| 844 |
|
| 845 |
if ( index < 0 || index >= mAttributeFields.count() ) |
| 846 |
{
|
| 847 |
return results;
|
| 848 |
} |
| 849 |
|
| 850 |
// get the field name
|
| 851 |
const QgsField &fld = mAttributeFields.at( index );
|
| 852 |
QString sql = QStringLiteral( "select distinct " );
|
| 853 |
|
| 854 |
if ( limit > 0 ) |
| 855 |
{
|
| 856 |
sql += QStringLiteral( " top %1 " ).arg( limit );
|
| 857 |
} |
| 858 |
|
| 859 |
sql += QStringLiteral( "[%1] from " )
|
| 860 |
.arg( fld.name() ); |
| 861 |
|
| 862 |
sql += QStringLiteral( "[%1].[%2] WHERE" ).arg( mSchemaName, mTableName );
|
| 863 |
|
| 864 |
if ( !mSqlWhereClause.isEmpty() )
|
| 865 |
{
|
| 866 |
sql += QStringLiteral( " (%1) AND" ).arg( mSqlWhereClause );
|
| 867 |
} |
| 868 |
|
| 869 |
sql += QStringLiteral( " [%1] LIKE '%%2%'" ).arg( fld.name(), substring );
|
| 870 |
|
| 871 |
QSqlQuery query = createQuery(); |
| 872 |
query.setForwardOnly( true );
|
| 873 |
|
| 874 |
if ( !LoggedExec( query, sql ) )
|
| 875 |
{
|
| 876 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 877 |
} |
| 878 |
|
| 879 |
if ( query.isActive() )
|
| 880 |
{
|
| 881 |
// read all features
|
| 882 |
while ( query.next() )
|
| 883 |
{
|
| 884 |
results << query.value( 0 ).toString();
|
| 885 |
if ( feedback && feedback->isCanceled() )
|
| 886 |
break;
|
| 887 |
} |
| 888 |
} |
| 889 |
return results;
|
| 890 |
} |
| 891 |
|
| 892 |
// update the extent, wkb type and srid for this layer, returns false if fails
|
| 893 |
void QgsMssqlProvider::UpdateStatistics( bool estimate ) const |
| 894 |
{
|
| 895 |
if ( mGeometryColName.isEmpty() )
|
| 896 |
{
|
| 897 |
return;
|
| 898 |
} |
| 899 |
|
| 900 |
// get features to calculate the statistics
|
| 901 |
QString statement; |
| 902 |
|
| 903 |
QSqlQuery query = createQuery(); |
| 904 |
query.setForwardOnly( true );
|
| 905 |
|
| 906 |
|
| 907 |
if ( mUseGeometryColumnsTableForExtent )
|
| 908 |
{
|
| 909 |
if ( !getExtentFromGeometryColumns( mExtent ) )
|
| 910 |
QgsMessageLog::logMessage( tr( "Invalid extent from geometry_columns table for layer '%1', get extent from the layer." ).arg( mTableName ), tr( "MSSQL" ) ); |
| 911 |
else
|
| 912 |
return;
|
| 913 |
} |
| 914 |
|
| 915 |
// Get the extents from the spatial index table to speed up load times.
|
| 916 |
// We have to use max() and min() because you can have more then one index but the biggest area is what we want to use.
|
| 917 |
const QString sql = "SELECT min(bounding_box_xmin), min(bounding_box_ymin), max(bounding_box_xmax), max(bounding_box_ymax)" |
| 918 |
" FROM sys.spatial_index_tessellations WHERE object_id = OBJECT_ID('[%1].[%2]')";
|
| 919 |
|
| 920 |
statement = QString( sql ).arg( mSchemaName, mTableName ); |
| 921 |
|
| 922 |
if ( LoggedExec( query, statement ) )
|
| 923 |
{
|
| 924 |
if ( query.next() && ( !QgsVariantUtils::isNull( query.value( 0 ) ) || !QgsVariantUtils::isNull( query.value( 1 ) ) || !QgsVariantUtils::isNull( query.value( 2 ) ) || !QgsVariantUtils::isNull( query.value( 3 ) ) ) ) |
| 925 |
{
|
| 926 |
QgsDebugMsgLevel( QStringLiteral( "Found extents in spatial index" ), 2 ); |
| 927 |
mExtent.setXMinimum( query.value( 0 ).toDouble() );
|
| 928 |
mExtent.setYMinimum( query.value( 1 ).toDouble() );
|
| 929 |
mExtent.setXMaximum( query.value( 2 ).toDouble() );
|
| 930 |
mExtent.setYMaximum( query.value( 3 ).toDouble() );
|
| 931 |
return;
|
| 932 |
} |
| 933 |
} |
| 934 |
else
|
| 935 |
{
|
| 936 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 937 |
} |
| 938 |
|
| 939 |
// If we can't find the extents in the spatial index table just do what we normally do.
|
| 940 |
bool readAllGeography = false; |
| 941 |
if ( estimate )
|
| 942 |
{
|
| 943 |
if ( mGeometryColType == QLatin1String( "geometry" ) ) |
| 944 |
{
|
| 945 |
if ( mDisableInvalidGeometryHandling )
|
| 946 |
statement = QStringLiteral( "select min([%1].STPointN(1).STX), min([%1].STPointN(1).STY), max([%1].STPointN(1).STX), max([%1].STPointN(1).STY)" ).arg( mGeometryColName );
|
| 947 |
else
|
| 948 |
statement = QStringLiteral( "select min(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).STX else NULL end), min(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).STY else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).STX else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).STY else NULL end)" ).arg( mGeometryColName );
|
| 949 |
} |
| 950 |
else
|
| 951 |
{
|
| 952 |
if ( mDisableInvalidGeometryHandling )
|
| 953 |
statement = QStringLiteral( "select min([%1].STPointN(1).Long), min([%1].STPointN(1).Lat), max([%1].STPointN(1).Long), max([%1].STPointN(1).Lat)" ).arg( mGeometryColName );
|
| 954 |
else
|
| 955 |
statement = QStringLiteral( "select min(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).Long else NULL end), min(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).Lat else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).Long else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STPointN(1).Lat else NULL end)" ).arg( mGeometryColName );
|
| 956 |
} |
| 957 |
|
| 958 |
// we will first try to sample a small portion of the table/view, so the count of rows involved
|
| 959 |
// will be useful to evaluate if we have enough data to use the sample
|
| 960 |
statement += ", count(*)";
|
| 961 |
} |
| 962 |
else
|
| 963 |
{
|
| 964 |
if ( mGeometryColType == QLatin1String( "geometry" ) ) |
| 965 |
{
|
| 966 |
if ( mDisableInvalidGeometryHandling )
|
| 967 |
statement = QStringLiteral( "select min([%1].STEnvelope().STPointN(1).STX), min([%1].STEnvelope().STPointN(1).STY), max([%1].STEnvelope().STPointN(3).STX), max([%1].STEnvelope().STPointN(3).STY)" ).arg( mGeometryColName );
|
| 968 |
else
|
| 969 |
statement = QStringLiteral( "select min(case when ([%1].STIsValid() = 1) THEN [%1].STEnvelope().STPointN(1).STX else NULL end), min(case when ([%1].STIsValid() = 1) THEN [%1].STEnvelope().STPointN(1).STY else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STEnvelope().STPointN(3).STX else NULL end), max(case when ([%1].STIsValid() = 1) THEN [%1].STEnvelope().STPointN(3).STY else NULL end)" ).arg( mGeometryColName );
|
| 970 |
} |
| 971 |
else
|
| 972 |
{
|
| 973 |
statement = QStringLiteral( "select [%1]" ).arg( mGeometryColName );
|
| 974 |
readAllGeography = true;
|
| 975 |
} |
| 976 |
} |
| 977 |
|
| 978 |
statement += QStringLiteral( " from [%1].[%2]" ).arg( mSchemaName, mTableName );
|
| 979 |
|
| 980 |
if ( !mSqlWhereClause.isEmpty() )
|
| 981 |
{
|
| 982 |
statement += " where (" + mSqlWhereClause + ')'; |
| 983 |
} |
| 984 |
|
| 985 |
if ( estimate )
|
| 986 |
{
|
| 987 |
// Try to use just 1% sample of the whole table/view to limit the amount of rows accessed.
|
| 988 |
// This heuristic may fail (e.g. when the table is small or when primary key values do not
|
| 989 |
// get sampled enough) so in case we do not have at least 10 features, we fall back to full
|
| 990 |
// traversal of the table/view
|
| 991 |
|
| 992 |
const int minSampleCount = 10; |
| 993 |
|
| 994 |
QString cols, delim; |
| 995 |
for ( const auto idx : mPrimaryKeyAttrs ) |
| 996 |
{
|
| 997 |
const QgsField &fld = mAttributeFields.at( idx );
|
| 998 |
cols += delim + QStringLiteral( "[%1]" ).arg( fld.name() );
|
| 999 |
delim = QStringLiteral( "," );
|
| 1000 |
} |
| 1001 |
|
| 1002 |
// See https://docs.microsoft.com/en-us/previous-versions/software-testing/cc441928(v=msdn.10)
|
| 1003 |
const QString sampleFilter = QString( "(ABS(CAST((BINARY_CHECKSUM(%1)) as int)) % 100) = 42" ).arg( cols ); |
| 1004 |
|
| 1005 |
const QString statementSample = statement + ( mSqlWhereClause.isEmpty() ? " WHERE " : " AND " ) + sampleFilter; |
| 1006 |
|
| 1007 |
if ( LoggedExec( query, statementSample ) && query.next() && !QgsVariantUtils::isNull( query.value( 0 ) ) && query.value( 4 ).toInt() >= minSampleCount ) |
| 1008 |
{
|
| 1009 |
mExtent.setXMinimum( query.value( 0 ).toDouble() );
|
| 1010 |
mExtent.setYMinimum( query.value( 1 ).toDouble() );
|
| 1011 |
mExtent.setXMaximum( query.value( 2 ).toDouble() );
|
| 1012 |
mExtent.setYMaximum( query.value( 3 ).toDouble() );
|
| 1013 |
return;
|
| 1014 |
} |
| 1015 |
} |
| 1016 |
|
| 1017 |
if ( !LoggedExec( query, statement ) )
|
| 1018 |
{
|
| 1019 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1020 |
} |
| 1021 |
|
| 1022 |
if ( !query.isActive() )
|
| 1023 |
{
|
| 1024 |
return;
|
| 1025 |
} |
| 1026 |
|
| 1027 |
if ( !readAllGeography && query.next() )
|
| 1028 |
{
|
| 1029 |
mExtent.setXMinimum( query.value( 0 ).toDouble() );
|
| 1030 |
mExtent.setYMinimum( query.value( 1 ).toDouble() );
|
| 1031 |
mExtent.setXMaximum( query.value( 2 ).toDouble() );
|
| 1032 |
mExtent.setYMaximum( query.value( 3 ).toDouble() );
|
| 1033 |
return;
|
| 1034 |
} |
| 1035 |
|
| 1036 |
// We have to read all the geometry if readAllGeography is true.
|
| 1037 |
while ( query.next() )
|
| 1038 |
{
|
| 1039 |
QByteArray ar = query.value( 0 ).toByteArray();
|
| 1040 |
std::unique_ptr<QgsAbstractGeometry> geom = mParser.parseSqlGeometry( reinterpret_cast<unsigned char *>( ar.data() ), ar.size() ); |
| 1041 |
if ( geom )
|
| 1042 |
{
|
| 1043 |
const QgsRectangle rect = geom->boundingBox();
|
| 1044 |
|
| 1045 |
if ( rect.xMinimum() < mExtent.xMinimum() )
|
| 1046 |
mExtent.setXMinimum( rect.xMinimum() ); |
| 1047 |
if ( rect.yMinimum() < mExtent.yMinimum() )
|
| 1048 |
mExtent.setYMinimum( rect.yMinimum() ); |
| 1049 |
if ( rect.xMaximum() > mExtent.xMaximum() )
|
| 1050 |
mExtent.setXMaximum( rect.xMaximum() ); |
| 1051 |
if ( rect.yMaximum() > mExtent.yMaximum() )
|
| 1052 |
mExtent.setYMaximum( rect.yMaximum() ); |
| 1053 |
|
| 1054 |
mWkbType = geom->wkbType(); |
| 1055 |
mSRId = mParser.GetSRSId(); |
| 1056 |
} |
| 1057 |
} |
| 1058 |
} |
| 1059 |
|
| 1060 |
// Return the extent of the layer
|
| 1061 |
QgsRectangle QgsMssqlProvider::extent() const
|
| 1062 |
{
|
| 1063 |
if ( mExtent.isEmpty() )
|
| 1064 |
UpdateStatistics( mUseEstimatedMetadata ); |
| 1065 |
return mExtent;
|
| 1066 |
} |
| 1067 |
|
| 1068 |
/**
|
| 1069 |
* Returns the feature type
|
| 1070 |
*/
|
| 1071 |
Qgis::WkbType QgsMssqlProvider::wkbType() const
|
| 1072 |
{
|
| 1073 |
return mWkbType;
|
| 1074 |
} |
| 1075 |
|
| 1076 |
/**
|
| 1077 |
* Returns the feature type
|
| 1078 |
*/
|
| 1079 |
long long QgsMssqlProvider::featureCount() const |
| 1080 |
{
|
| 1081 |
// Return the count that we get from the subset.
|
| 1082 |
if ( !mSqlWhereClause.isEmpty() )
|
| 1083 |
return mNumberFeatures;
|
| 1084 |
|
| 1085 |
// If there is no subset set we can get the count from the system tables.
|
| 1086 |
// Which is faster then doing select count(*)
|
| 1087 |
QSqlQuery query = createQuery(); |
| 1088 |
query.setForwardOnly( true );
|
| 1089 |
|
| 1090 |
const QString statement = QStringLiteral(
|
| 1091 |
"SELECT rows"
|
| 1092 |
" FROM sys.tables t"
|
| 1093 |
" JOIN sys.partitions p ON t.object_id = p.object_id AND p.index_id IN (0,1)"
|
| 1094 |
" WHERE SCHEMA_NAME(t.schema_id) = %1 AND OBJECT_NAME(t.OBJECT_ID) = %2"
|
| 1095 |
) |
| 1096 |
.arg( quotedValue( mSchemaName ), quotedValue( mTableName ) ); |
| 1097 |
|
| 1098 |
if ( LoggedExec( query, statement ) && query.next() )
|
| 1099 |
{
|
| 1100 |
return query.value( 0 ).toLongLong(); |
| 1101 |
} |
| 1102 |
else
|
| 1103 |
{
|
| 1104 |
// We couldn't get the rows from the sys tables. Can that ever happen?
|
| 1105 |
// Should just do a select count(*) here.
|
| 1106 |
return -1; |
| 1107 |
} |
| 1108 |
} |
| 1109 |
|
| 1110 |
QgsFields QgsMssqlProvider::fields() const
|
| 1111 |
{
|
| 1112 |
return mAttributeFields;
|
| 1113 |
} |
| 1114 |
|
| 1115 |
bool QgsMssqlProvider::isValid() const |
| 1116 |
{
|
| 1117 |
return mValid;
|
| 1118 |
} |
| 1119 |
|
| 1120 |
Qgis::ProviderStyleStorageCapabilities QgsMssqlProvider::styleStorageCapabilities() const
|
| 1121 |
{
|
| 1122 |
Qgis::ProviderStyleStorageCapabilities storageCapabilities; |
| 1123 |
if ( isValid() )
|
| 1124 |
{
|
| 1125 |
storageCapabilities |= Qgis::ProviderStyleStorageCapability::SaveToDatabase; |
| 1126 |
storageCapabilities |= Qgis::ProviderStyleStorageCapability::LoadFromDatabase; |
| 1127 |
} |
| 1128 |
return storageCapabilities;
|
| 1129 |
} |
| 1130 |
|
| 1131 |
bool QgsMssqlProvider::addFeatures( QgsFeatureList &flist, Flags flags )
|
| 1132 |
{
|
| 1133 |
for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it )
|
| 1134 |
{
|
| 1135 |
if ( it->hasGeometry() && mWkbType == Qgis::WkbType::NoGeometry )
|
| 1136 |
{
|
| 1137 |
it->clearGeometry(); |
| 1138 |
} |
| 1139 |
else if ( it->hasGeometry() && QgsWkbTypes::geometryType( it->geometry().wkbType() ) != QgsWkbTypes::geometryType( mWkbType ) ) |
| 1140 |
{
|
| 1141 |
pushError( tr( "Could not add feature with geometry type %1 to layer of type %2" ).arg( QgsWkbTypes::displayString( it->geometry().wkbType() ), QgsWkbTypes::displayString( mWkbType ) ) );
|
| 1142 |
if ( !mSkipFailures )
|
| 1143 |
return false; |
| 1144 |
|
| 1145 |
continue;
|
| 1146 |
} |
| 1147 |
|
| 1148 |
QString statement; |
| 1149 |
QString values; |
| 1150 |
if ( !( flags & QgsFeatureSink::FastInsert ) )
|
| 1151 |
{
|
| 1152 |
statement += QLatin1String( "DECLARE @px TABLE (" );
|
| 1153 |
|
| 1154 |
QString delim; |
| 1155 |
for ( const auto idx : mPrimaryKeyAttrs ) |
| 1156 |
{
|
| 1157 |
const QgsField &fld = mAttributeFields.at( idx );
|
| 1158 |
|
| 1159 |
QString type = fld.typeName(); |
| 1160 |
if ( type.endsWith( QLatin1String( " identity" ) ) ) |
| 1161 |
type = type.left( type.length() - 9 );
|
| 1162 |
if ( type == QLatin1String( "char" ) || type == QLatin1String( "varchar" ) ) |
| 1163 |
{
|
| 1164 |
if ( fld.length() > 0 ) |
| 1165 |
type = QStringLiteral( "%1(%2)" ).arg( type ).arg( fld.length() );
|
| 1166 |
} |
| 1167 |
else if ( type == QLatin1String( "numeric" ) || type == QLatin1String( "decimal" ) ) |
| 1168 |
{
|
| 1169 |
if ( fld.length() > 0 && fld.precision() > 0 ) |
| 1170 |
type = QStringLiteral( "%1(%2,%3)" ).arg( type ).arg( fld.length() ).arg( fld.precision() );
|
| 1171 |
} |
| 1172 |
|
| 1173 |
statement += delim + QStringLiteral( "[%1] %2" ).arg( fld.name(), type );
|
| 1174 |
delim = ",";
|
| 1175 |
} |
| 1176 |
|
| 1177 |
statement += "); ";
|
| 1178 |
} |
| 1179 |
|
| 1180 |
statement += QStringLiteral( "INSERT INTO [%1].[%2] (" ).arg( mSchemaName, mTableName );
|
| 1181 |
|
| 1182 |
bool first = true; |
| 1183 |
QSqlQuery query = createQuery(); |
| 1184 |
query.setForwardOnly( true );
|
| 1185 |
|
| 1186 |
const QgsAttributes attrs = it->attributes();
|
| 1187 |
|
| 1188 |
for ( int i = 0; i < attrs.count(); ++i ) |
| 1189 |
{
|
| 1190 |
if ( i >= mAttributeFields.count() )
|
| 1191 |
break;
|
| 1192 |
|
| 1193 |
const QgsField &fld = mAttributeFields.at( i );
|
| 1194 |
|
| 1195 |
if ( fld.typeName().compare( QLatin1String( "timestamp" ), Qt::CaseInsensitive ) == 0 ) |
| 1196 |
continue; // You can't update timestamp columns they are server only. |
| 1197 |
|
| 1198 |
if ( fld.typeName().endsWith( QLatin1String( " identity" ), Qt::CaseInsensitive ) ) |
| 1199 |
continue; // skip identity field |
| 1200 |
|
| 1201 |
if ( fld.name().isEmpty() )
|
| 1202 |
continue; // invalid |
| 1203 |
|
| 1204 |
if ( mDefaultValues.contains( i ) && mDefaultValues.value( i ) == attrs.at( i ).toString() )
|
| 1205 |
continue; // skip fields having default values |
| 1206 |
|
| 1207 |
if ( mComputedColumns.contains( fld.name() ) )
|
| 1208 |
continue; // skip computed columns because they are done server side. |
| 1209 |
|
| 1210 |
if ( !first )
|
| 1211 |
{
|
| 1212 |
statement += ',';
|
| 1213 |
values += ',';
|
| 1214 |
} |
| 1215 |
else
|
| 1216 |
first = false;
|
| 1217 |
|
| 1218 |
statement += QStringLiteral( "[%1]" ).arg( fld.name() );
|
| 1219 |
values += QLatin1Char( '?' );
|
| 1220 |
} |
| 1221 |
|
| 1222 |
// append geometry column name
|
| 1223 |
if ( !mGeometryColName.isEmpty() )
|
| 1224 |
{
|
| 1225 |
if ( !first )
|
| 1226 |
{
|
| 1227 |
statement += ',';
|
| 1228 |
values += ',';
|
| 1229 |
} |
| 1230 |
|
| 1231 |
statement += QStringLiteral( "[%1]" ).arg( mGeometryColName );
|
| 1232 |
if ( mGeometryColType == QLatin1String( "geometry" ) ) |
| 1233 |
{
|
| 1234 |
if ( mUseWkb )
|
| 1235 |
values += QStringLiteral( "geometry::STGeomFromWKB(?,%1).MakeValid()" ).arg( mSRId );
|
| 1236 |
else
|
| 1237 |
values += QStringLiteral( "geometry::STGeomFromText(?,%1).MakeValid()" ).arg( mSRId );
|
| 1238 |
} |
| 1239 |
else
|
| 1240 |
{
|
| 1241 |
if ( mUseWkb )
|
| 1242 |
values += QStringLiteral( "geography::STGeomFromWKB(?,%1)" ).arg( mSRId );
|
| 1243 |
else
|
| 1244 |
values += QStringLiteral( "geography::STGeomFromText(?,%1)" ).arg( mSRId );
|
| 1245 |
} |
| 1246 |
} |
| 1247 |
|
| 1248 |
statement += QLatin1String( ") " );
|
| 1249 |
if ( !( flags & QgsFeatureSink::FastInsert ) && !mPrimaryKeyAttrs.isEmpty() )
|
| 1250 |
{
|
| 1251 |
statement += QLatin1String( " OUTPUT " );
|
| 1252 |
|
| 1253 |
QString delim; |
| 1254 |
|
| 1255 |
for ( const auto idx : std::as_const( mPrimaryKeyAttrs ) ) |
| 1256 |
{
|
| 1257 |
const QgsField &fld = mAttributeFields.at( idx );
|
| 1258 |
statement += delim + QStringLiteral( "inserted.[%1]" ).arg( fld.name() );
|
| 1259 |
delim = QStringLiteral( "," );
|
| 1260 |
} |
| 1261 |
|
| 1262 |
statement += QLatin1String( " INTO @px " );
|
| 1263 |
} |
| 1264 |
|
| 1265 |
statement += QStringLiteral( " VALUES (" ) + values + ')'; |
| 1266 |
|
| 1267 |
if ( !( flags & QgsFeatureSink::FastInsert && !mPrimaryKeyAttrs.isEmpty() ) )
|
| 1268 |
{
|
| 1269 |
statement += QLatin1String( "; SELECT * FROM @px;" );
|
| 1270 |
} |
| 1271 |
|
| 1272 |
// use prepared statement to prevent from sql injection
|
| 1273 |
if ( !query.prepare( statement ) )
|
| 1274 |
{
|
| 1275 |
const QString msg = query.lastError().text();
|
| 1276 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1277 |
if ( !mSkipFailures )
|
| 1278 |
{
|
| 1279 |
pushError( msg ); |
| 1280 |
return false; |
| 1281 |
} |
| 1282 |
else
|
| 1283 |
continue;
|
| 1284 |
} |
| 1285 |
|
| 1286 |
for ( int i = 0; i < attrs.count(); ++i ) |
| 1287 |
{
|
| 1288 |
if ( i >= mAttributeFields.count() )
|
| 1289 |
break;
|
| 1290 |
|
| 1291 |
const QgsField &fld = mAttributeFields.at( i );
|
| 1292 |
|
| 1293 |
if ( fld.typeName().compare( QLatin1String( "timestamp" ), Qt::CaseInsensitive ) == 0 ) |
| 1294 |
continue; // You can't update timestamp columns they are server only. |
| 1295 |
|
| 1296 |
if ( fld.typeName().endsWith( QLatin1String( " identity" ), Qt::CaseInsensitive ) ) |
| 1297 |
continue; // skip identity field |
| 1298 |
|
| 1299 |
if ( fld.name().isEmpty() )
|
| 1300 |
continue; // invalid |
| 1301 |
|
| 1302 |
if ( mDefaultValues.contains( i ) && mDefaultValues.value( i ) == attrs.at( i ).toString() )
|
| 1303 |
continue; // skip fields having default values |
| 1304 |
|
| 1305 |
if ( mComputedColumns.contains( fld.name() ) )
|
| 1306 |
continue; // skip computed columns because they are done server side. |
| 1307 |
|
| 1308 |
const QMetaType::Type type = fld.type();
|
| 1309 |
if ( QgsVariantUtils::isNull( attrs.at( i ) ) )
|
| 1310 |
{
|
| 1311 |
// binding null values
|
| 1312 |
if ( type == QMetaType::Type::QDate || type == QMetaType::Type::QDateTime )
|
| 1313 |
query.addBindValue( QgsVariantUtils::createNullVariant( QMetaType::Type::QString ) ); |
| 1314 |
else
|
| 1315 |
query.addBindValue( QgsVariantUtils::createNullVariant( type ) ); |
| 1316 |
} |
| 1317 |
else if ( type == QMetaType::Type::Int ) |
| 1318 |
{
|
| 1319 |
// binding an INTEGER value
|
| 1320 |
query.addBindValue( attrs.at( i ).toInt() ); |
| 1321 |
} |
| 1322 |
else if ( type == QMetaType::Type::Double ) |
| 1323 |
{
|
| 1324 |
// binding a DOUBLE value
|
| 1325 |
query.addBindValue( attrs.at( i ).toDouble() ); |
| 1326 |
} |
| 1327 |
else if ( type == QMetaType::Type::QString ) |
| 1328 |
{
|
| 1329 |
// binding a TEXT value
|
| 1330 |
query.addBindValue( attrs.at( i ).toString() ); |
| 1331 |
} |
| 1332 |
else if ( type == QMetaType::Type::QTime ) |
| 1333 |
{
|
| 1334 |
// binding a TIME value
|
| 1335 |
query.addBindValue( attrs.at( i ).toTime().toString( Qt::ISODate ) ); |
| 1336 |
} |
| 1337 |
else if ( type == QMetaType::Type::QDate ) |
| 1338 |
{
|
| 1339 |
// binding a DATE value
|
| 1340 |
query.addBindValue( attrs.at( i ).toDate().toString( Qt::ISODate ) ); |
| 1341 |
} |
| 1342 |
else if ( type == QMetaType::Type::QDateTime ) |
| 1343 |
{
|
| 1344 |
// binding a DATETIME value
|
| 1345 |
query.addBindValue( attrs.at( i ).toDateTime().toString( Qt::ISODate ) ); |
| 1346 |
} |
| 1347 |
else
|
| 1348 |
{
|
| 1349 |
query.addBindValue( attrs.at( i ) ); |
| 1350 |
} |
| 1351 |
} |
| 1352 |
|
| 1353 |
if ( !mGeometryColName.isEmpty() )
|
| 1354 |
{
|
| 1355 |
QgsGeometry geom = it->geometry(); |
| 1356 |
if ( QgsWkbTypes::isMultiType( mWkbType ) && !geom.isMultipart() )
|
| 1357 |
{
|
| 1358 |
geom.convertToMultiType(); |
| 1359 |
} |
| 1360 |
if ( mUseWkb )
|
| 1361 |
{
|
| 1362 |
const QByteArray bytea = geom.asWkb();
|
| 1363 |
query.addBindValue( bytea, QSql::In | QSql::Binary ); |
| 1364 |
} |
| 1365 |
else
|
| 1366 |
{
|
| 1367 |
QString wkt; |
| 1368 |
if ( !geom.isNull() )
|
| 1369 |
{
|
| 1370 |
// Z and M on the end of a WKT string isn't valid for
|
| 1371 |
// SQL Server so we have to remove it first.
|
| 1372 |
wkt = geom.asWkt(); |
| 1373 |
const thread_local QRegularExpression wktRx( QStringLiteral( "[mzMZ]+\\s*\\(" ) ); |
| 1374 |
wkt.replace( wktRx, QStringLiteral( "(" ) );
|
| 1375 |
// if we have M value only, we need to insert null-s for the Z value
|
| 1376 |
if ( QgsWkbTypes::hasM( geom.wkbType() ) && !QgsWkbTypes::hasZ( geom.wkbType() ) )
|
| 1377 |
{
|
| 1378 |
const thread_local QRegularExpression nullRx( QStringLiteral( "(?=\\s[0-9+-.]+[,)])" ) ); |
| 1379 |
wkt.replace( QRegularExpression( nullRx ), QStringLiteral( " NULL" ) );
|
| 1380 |
} |
| 1381 |
} |
| 1382 |
query.addBindValue( wkt ); |
| 1383 |
} |
| 1384 |
} |
| 1385 |
|
| 1386 |
if ( !LoggedExecPrepared( query ) )
|
| 1387 |
{
|
| 1388 |
const QString msg = query.lastError().text();
|
| 1389 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1390 |
if ( !mSkipFailures )
|
| 1391 |
{
|
| 1392 |
pushError( msg ); |
| 1393 |
return false; |
| 1394 |
} |
| 1395 |
} |
| 1396 |
|
| 1397 |
if ( !( flags & QgsFeatureSink::FastInsert ) && !mPrimaryKeyAttrs.isEmpty() )
|
| 1398 |
{
|
| 1399 |
if ( !query.next() )
|
| 1400 |
{
|
| 1401 |
const QString msg = query.lastError().text();
|
| 1402 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1403 |
if ( !mSkipFailures )
|
| 1404 |
{
|
| 1405 |
pushError( msg ); |
| 1406 |
return false; |
| 1407 |
} |
| 1408 |
} |
| 1409 |
|
| 1410 |
if ( mPrimaryKeyType == PktInt )
|
| 1411 |
{
|
| 1412 |
it->setId( query.value( 0 ).toLongLong() );
|
| 1413 |
} |
| 1414 |
else
|
| 1415 |
{
|
| 1416 |
QVariantList keyvals; |
| 1417 |
for ( int i = 0; i < mPrimaryKeyAttrs.size(); ++i ) |
| 1418 |
{
|
| 1419 |
keyvals << query.value( i ); |
| 1420 |
} |
| 1421 |
|
| 1422 |
it->setId( mShared->lookupFid( keyvals ) ); |
| 1423 |
} |
| 1424 |
} |
| 1425 |
} |
| 1426 |
|
| 1427 |
if ( mTransaction )
|
| 1428 |
mTransaction->dirtyLastSavePoint(); |
| 1429 |
|
| 1430 |
return true; |
| 1431 |
} |
| 1432 |
|
| 1433 |
bool QgsMssqlProvider::addAttributes( const QList<QgsField> &attributes ) |
| 1434 |
{
|
| 1435 |
QString statement; |
| 1436 |
|
| 1437 |
if ( attributes.isEmpty() )
|
| 1438 |
return true; |
| 1439 |
|
| 1440 |
for ( QList<QgsField>::const_iterator it = attributes.begin(); it != attributes.end(); ++it )
|
| 1441 |
{
|
| 1442 |
QString type = it->typeName(); |
| 1443 |
if ( type == QLatin1String( "char" ) || type == QLatin1String( "varchar" ) || type == QLatin1String( "nvarchar" ) ) |
| 1444 |
{
|
| 1445 |
if ( it->length() > 0 ) |
| 1446 |
type = QStringLiteral( "%1(%2)" ).arg( type ).arg( it->length() );
|
| 1447 |
} |
| 1448 |
else if ( type == QLatin1String( "numeric" ) || type == QLatin1String( "decimal" ) ) |
| 1449 |
{
|
| 1450 |
if ( it->length() > 0 && it->precision() > 0 ) |
| 1451 |
type = QStringLiteral( "%1(%2,%3)" ).arg( type ).arg( it->length() ).arg( it->precision() );
|
| 1452 |
} |
| 1453 |
|
| 1454 |
if ( statement.isEmpty() )
|
| 1455 |
{
|
| 1456 |
statement = QStringLiteral( "ALTER TABLE [%1].[%2] ADD " ).arg( mSchemaName, mTableName );
|
| 1457 |
} |
| 1458 |
else
|
| 1459 |
statement += ',';
|
| 1460 |
|
| 1461 |
statement += QStringLiteral( "[%1] %2" ).arg( it->name(), type );
|
| 1462 |
} |
| 1463 |
|
| 1464 |
QSqlQuery query = createQuery(); |
| 1465 |
query.setForwardOnly( true );
|
| 1466 |
if ( !LoggedExec( query, statement ) )
|
| 1467 |
{
|
| 1468 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1469 |
return false; |
| 1470 |
} |
| 1471 |
|
| 1472 |
loadFields(); |
| 1473 |
|
| 1474 |
if ( mTransaction )
|
| 1475 |
mTransaction->dirtyLastSavePoint(); |
| 1476 |
|
| 1477 |
return true; |
| 1478 |
} |
| 1479 |
|
| 1480 |
bool QgsMssqlProvider::deleteAttributes( const QgsAttributeIds &attributes ) |
| 1481 |
{
|
| 1482 |
QString statement; |
| 1483 |
|
| 1484 |
for ( QgsAttributeIds::const_iterator it = attributes.begin(); it != attributes.end(); ++it )
|
| 1485 |
{
|
| 1486 |
if ( statement.isEmpty() )
|
| 1487 |
{
|
| 1488 |
statement = QStringLiteral( "ALTER TABLE [%1].[%2] DROP COLUMN " ).arg( mSchemaName, mTableName );
|
| 1489 |
} |
| 1490 |
else
|
| 1491 |
statement += ',';
|
| 1492 |
|
| 1493 |
statement += QStringLiteral( "[%1]" ).arg( mAttributeFields.at( *it ).name() );
|
| 1494 |
} |
| 1495 |
|
| 1496 |
QSqlQuery query = createQuery(); |
| 1497 |
query.setForwardOnly( true );
|
| 1498 |
|
| 1499 |
if ( !LoggedExec( query, statement ) )
|
| 1500 |
{
|
| 1501 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1502 |
return false; |
| 1503 |
} |
| 1504 |
|
| 1505 |
query.finish(); |
| 1506 |
|
| 1507 |
loadFields(); |
| 1508 |
|
| 1509 |
if ( mTransaction )
|
| 1510 |
mTransaction->dirtyLastSavePoint(); |
| 1511 |
|
| 1512 |
return true; |
| 1513 |
} |
| 1514 |
|
| 1515 |
|
| 1516 |
bool QgsMssqlProvider::changeAttributeValues( const QgsChangedAttributesMap &attr_map ) |
| 1517 |
{
|
| 1518 |
if ( attr_map.isEmpty() )
|
| 1519 |
return true; |
| 1520 |
|
| 1521 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 1522 |
return false; |
| 1523 |
|
| 1524 |
for ( QgsChangedAttributesMap::const_iterator it = attr_map.begin(); it != attr_map.end(); ++it )
|
| 1525 |
{
|
| 1526 |
const QgsFeatureId fid = it.key();
|
| 1527 |
|
| 1528 |
// skip added features
|
| 1529 |
if ( FID_IS_NEW( fid ) )
|
| 1530 |
continue;
|
| 1531 |
|
| 1532 |
const QgsAttributeMap &attrs = it.value();
|
| 1533 |
if ( attrs.isEmpty() )
|
| 1534 |
continue;
|
| 1535 |
|
| 1536 |
QString statement = QStringLiteral( "UPDATE [%1].[%2] SET " ).arg( mSchemaName, mTableName );
|
| 1537 |
|
| 1538 |
bool first = true; |
| 1539 |
bool pkChanged = false; |
| 1540 |
QSqlQuery query = createQuery(); |
| 1541 |
query.setForwardOnly( true );
|
| 1542 |
|
| 1543 |
for ( QgsAttributeMap::const_iterator it2 = attrs.begin(); it2 != attrs.end(); ++it2 )
|
| 1544 |
{
|
| 1545 |
const QgsField fld = mAttributeFields.at( it2.key() );
|
| 1546 |
|
| 1547 |
if ( fld.typeName().compare( QLatin1String( "timestamp" ), Qt::CaseInsensitive ) == 0 ) |
| 1548 |
continue; // You can't update timestamp columns they are server only. |
| 1549 |
|
| 1550 |
if ( fld.typeName().endsWith( QLatin1String( " identity" ), Qt::CaseInsensitive ) ) |
| 1551 |
continue; // skip identity field |
| 1552 |
|
| 1553 |
if ( fld.name().isEmpty() )
|
| 1554 |
continue; // invalid |
| 1555 |
|
| 1556 |
if ( mComputedColumns.contains( fld.name() ) )
|
| 1557 |
continue; // skip computed columns because they are done server side. |
| 1558 |
|
| 1559 |
if ( !first )
|
| 1560 |
statement += ',';
|
| 1561 |
else
|
| 1562 |
first = false;
|
| 1563 |
|
| 1564 |
pkChanged = pkChanged || mPrimaryKeyAttrs.contains( it2.key() ); |
| 1565 |
|
| 1566 |
statement += QStringLiteral( "[%1]=?" ).arg( fld.name() );
|
| 1567 |
} |
| 1568 |
|
| 1569 |
if ( first )
|
| 1570 |
return true; // no fields have been changed |
| 1571 |
|
| 1572 |
// set attribute filter
|
| 1573 |
statement += QStringLiteral( " WHERE " ) + whereClauseFid( fid );
|
| 1574 |
|
| 1575 |
// use prepared statement to prevent from sql injection
|
| 1576 |
if ( !query.prepare( statement ) )
|
| 1577 |
{
|
| 1578 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1579 |
return false; |
| 1580 |
} |
| 1581 |
|
| 1582 |
for ( QgsAttributeMap::const_iterator it2 = attrs.begin(); it2 != attrs.end(); ++it2 )
|
| 1583 |
{
|
| 1584 |
const QgsField fld = mAttributeFields.at( it2.key() );
|
| 1585 |
|
| 1586 |
if ( fld.typeName().compare( QLatin1String( "timestamp" ), Qt::CaseInsensitive ) == 0 ) |
| 1587 |
continue; // You can't update timestamp columns they are server only. |
| 1588 |
|
| 1589 |
if ( fld.typeName().endsWith( QLatin1String( " identity" ), Qt::CaseInsensitive ) ) |
| 1590 |
continue; // skip identity field |
| 1591 |
|
| 1592 |
if ( fld.name().isEmpty() )
|
| 1593 |
continue; // invalid |
| 1594 |
|
| 1595 |
if ( mComputedColumns.contains( fld.name() ) )
|
| 1596 |
continue; // skip computed columns because they are done server side. |
| 1597 |
|
| 1598 |
const QMetaType::Type type = fld.type();
|
| 1599 |
if ( QgsVariantUtils::isNull( *it2 ) )
|
| 1600 |
{
|
| 1601 |
// binding null values
|
| 1602 |
if ( type == QMetaType::Type::QDate || type == QMetaType::Type::QDateTime )
|
| 1603 |
query.addBindValue( QgsVariantUtils::createNullVariant( QMetaType::Type::QString ) ); |
| 1604 |
else
|
| 1605 |
query.addBindValue( QgsVariantUtils::createNullVariant( type ) ); |
| 1606 |
} |
| 1607 |
else if ( type == QMetaType::Type::Int ) |
| 1608 |
{
|
| 1609 |
// binding an INTEGER value
|
| 1610 |
query.addBindValue( it2->toInt() ); |
| 1611 |
} |
| 1612 |
else if ( type == QMetaType::Type::Double ) |
| 1613 |
{
|
| 1614 |
// binding a DOUBLE value
|
| 1615 |
query.addBindValue( it2->toDouble() ); |
| 1616 |
} |
| 1617 |
else if ( type == QMetaType::Type::QString ) |
| 1618 |
{
|
| 1619 |
// binding a TEXT value
|
| 1620 |
query.addBindValue( it2->toString() ); |
| 1621 |
} |
| 1622 |
else if ( type == QMetaType::Type::QDateTime ) |
| 1623 |
{
|
| 1624 |
// binding a DATETIME value
|
| 1625 |
query.addBindValue( it2->toDateTime().toString( Qt::ISODate ) ); |
| 1626 |
} |
| 1627 |
else if ( type == QMetaType::Type::QDate ) |
| 1628 |
{
|
| 1629 |
// binding a DATE value
|
| 1630 |
query.addBindValue( it2->toDate().toString( Qt::ISODate ) ); |
| 1631 |
} |
| 1632 |
else if ( type == QMetaType::Type::QTime ) |
| 1633 |
{
|
| 1634 |
// binding a TIME value
|
| 1635 |
query.addBindValue( it2->toTime().toString( Qt::ISODate ) ); |
| 1636 |
} |
| 1637 |
else
|
| 1638 |
{
|
| 1639 |
query.addBindValue( *it2 ); |
| 1640 |
} |
| 1641 |
} |
| 1642 |
|
| 1643 |
if ( !LoggedExecPrepared( query ) )
|
| 1644 |
{
|
| 1645 |
QgsDebugError( QStringLiteral( "SQL:%1\n Error:%2" ).arg( query.lastQuery(), query.lastError().text() ) );
|
| 1646 |
return false; |
| 1647 |
} |
| 1648 |
|
| 1649 |
if ( pkChanged && mPrimaryKeyType == PktFidMap )
|
| 1650 |
{
|
| 1651 |
const QVariant v = mShared->removeFid( fid );
|
| 1652 |
QVariantList k = v.toList(); |
| 1653 |
|
| 1654 |
for ( int i = 0; i < mPrimaryKeyAttrs.size(); ++i ) |
| 1655 |
{
|
| 1656 |
const int idx = mPrimaryKeyAttrs[i]; |
| 1657 |
if ( !attrs.contains( idx ) )
|
| 1658 |
continue;
|
| 1659 |
|
| 1660 |
k[i] = attrs[idx]; |
| 1661 |
} |
| 1662 |
|
| 1663 |
mShared->insertFid( fid, k ); |
| 1664 |
} |
| 1665 |
} |
| 1666 |
|
| 1667 |
if ( mTransaction )
|
| 1668 |
mTransaction->dirtyLastSavePoint(); |
| 1669 |
|
| 1670 |
return true; |
| 1671 |
} |
| 1672 |
|
| 1673 |
bool QgsMssqlProvider::changeGeometryValues( const QgsGeometryMap &geometry_map ) |
| 1674 |
{
|
| 1675 |
if ( geometry_map.isEmpty() )
|
| 1676 |
return true; |
| 1677 |
|
| 1678 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 1679 |
return false; |
| 1680 |
|
| 1681 |
for ( QgsGeometryMap::const_iterator it = geometry_map.constBegin(); it != geometry_map.constEnd(); ++it )
|
| 1682 |
{
|
| 1683 |
const QgsFeatureId fid = it.key();
|
| 1684 |
// skip added features
|
| 1685 |
if ( FID_IS_NEW( fid ) )
|
| 1686 |
continue;
|
| 1687 |
|
| 1688 |
QString statement; |
| 1689 |
statement = QStringLiteral( "UPDATE [%1].[%2] SET " ).arg( mSchemaName, mTableName );
|
| 1690 |
|
| 1691 |
QSqlQuery query = createQuery(); |
| 1692 |
query.setForwardOnly( true );
|
| 1693 |
|
| 1694 |
if ( mGeometryColType == QLatin1String( "geometry" ) ) |
| 1695 |
{
|
| 1696 |
if ( mUseWkb )
|
| 1697 |
statement += QStringLiteral( "[%1]=geometry::STGeomFromWKB(?,%2).MakeValid()" ).arg( mGeometryColName ).arg( mSRId );
|
| 1698 |
else
|
| 1699 |
statement += QStringLiteral( "[%1]=geometry::STGeomFromText(?,%2).MakeValid()" ).arg( mGeometryColName ).arg( mSRId );
|
| 1700 |
} |
| 1701 |
else
|
| 1702 |
{
|
| 1703 |
if ( mUseWkb )
|
| 1704 |
statement += QStringLiteral( "[%1]=geography::STGeomFromWKB(?,%2)" ).arg( mGeometryColName ).arg( mSRId );
|
| 1705 |
else
|
| 1706 |
statement += QStringLiteral( "[%1]=geography::STGeomFromText(?,%2)" ).arg( mGeometryColName ).arg( mSRId );
|
| 1707 |
} |
| 1708 |
|
| 1709 |
// set attribute filter
|
| 1710 |
statement += QStringLiteral( " WHERE " ) + whereClauseFid( fid );
|
| 1711 |
|
| 1712 |
if ( !query.prepare( statement ) )
|
| 1713 |
{
|
| 1714 |
pushError( query.lastError().text() ); |
| 1715 |
return false; |
| 1716 |
} |
| 1717 |
|
| 1718 |
// add geometry param
|
| 1719 |
if ( mUseWkb )
|
| 1720 |
{
|
| 1721 |
const QByteArray bytea = it->asWkb();
|
| 1722 |
query.addBindValue( bytea, QSql::In | QSql::Binary ); |
| 1723 |
} |
| 1724 |
else
|
| 1725 |
{
|
| 1726 |
QString wkt = it->asWkt(); |
| 1727 |
// Z and M on the end of a WKT string isn't valid for
|
| 1728 |
// SQL Server so we have to remove it first.
|
| 1729 |
const thread_local QRegularExpression zmRegExp( QStringLiteral( "[mzMZ]+\\s*\\(" ) ); |
| 1730 |
wkt.replace( zmRegExp, QStringLiteral( "(" ) );
|
| 1731 |
query.addBindValue( wkt ); |
| 1732 |
} |
| 1733 |
|
| 1734 |
if ( !LoggedExecPrepared( query ) )
|
| 1735 |
{
|
| 1736 |
pushError( query.lastError().text() ); |
| 1737 |
return false; |
| 1738 |
} |
| 1739 |
} |
| 1740 |
|
| 1741 |
if ( mTransaction )
|
| 1742 |
mTransaction->dirtyLastSavePoint(); |
| 1743 |
|
| 1744 |
return true; |
| 1745 |
} |
| 1746 |
|
| 1747 |
bool QgsMssqlProvider::deleteFeatures( const QgsFeatureIds &ids ) |
| 1748 |
{
|
| 1749 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 1750 |
return false; |
| 1751 |
|
| 1752 |
if ( ids.empty() )
|
| 1753 |
return true; // for consistency providers return true to an empty list |
| 1754 |
|
| 1755 |
if ( mPrimaryKeyType == PktInt )
|
| 1756 |
{
|
| 1757 |
QString featureIds, delim; |
| 1758 |
for ( QgsFeatureIds::const_iterator it = ids.begin(); it != ids.end(); ++it )
|
| 1759 |
{
|
| 1760 |
featureIds += delim + FID_TO_STRING( *it ); |
| 1761 |
delim = QStringLiteral( "," );
|
| 1762 |
} |
| 1763 |
|
| 1764 |
QSqlQuery query = createQuery(); |
| 1765 |
query.setForwardOnly( true );
|
| 1766 |
|
| 1767 |
const QString statement = QStringLiteral( "DELETE FROM [%1].[%2] WHERE [%3] IN (%4)" ).arg( mSchemaName, mTableName, mAttributeFields.at( mPrimaryKeyAttrs[0] ).name(), featureIds ); |
| 1768 |
|
| 1769 |
if ( LoggedExec( query, statement ) )
|
| 1770 |
{
|
| 1771 |
if ( query.numRowsAffected() == ids.size() )
|
| 1772 |
{
|
| 1773 |
if ( mTransaction )
|
| 1774 |
mTransaction->dirtyLastSavePoint(); |
| 1775 |
return true; |
| 1776 |
} |
| 1777 |
|
| 1778 |
pushError( tr( "Only %1 of %2 features deleted" ).arg( query.numRowsAffected() ).arg( ids.size() ) );
|
| 1779 |
} |
| 1780 |
else
|
| 1781 |
{
|
| 1782 |
pushError( query.lastError().text() ); |
| 1783 |
} |
| 1784 |
} |
| 1785 |
else if ( mPrimaryKeyType == PktFidMap ) |
| 1786 |
{
|
| 1787 |
int i = 0; |
| 1788 |
|
| 1789 |
QSqlQuery query = createQuery(); |
| 1790 |
for ( QgsFeatureIds::const_iterator it = ids.begin(); it != ids.end(); ++it )
|
| 1791 |
{
|
| 1792 |
const QString statement = QStringLiteral( "DELETE FROM [%1].[%2] WHERE %3" ).arg( mSchemaName, mTableName, whereClauseFid( *it ) ); |
| 1793 |
|
| 1794 |
if ( LoggedExec( query, statement ) )
|
| 1795 |
{
|
| 1796 |
if ( query.numRowsAffected() == 1 ) |
| 1797 |
{
|
| 1798 |
mShared->removeFid( *it ); |
| 1799 |
i++; |
| 1800 |
} |
| 1801 |
} |
| 1802 |
else
|
| 1803 |
{
|
| 1804 |
pushError( query.lastError().text() ); |
| 1805 |
break;
|
| 1806 |
} |
| 1807 |
} |
| 1808 |
|
| 1809 |
if ( i == ids.size() )
|
| 1810 |
{
|
| 1811 |
if ( mTransaction )
|
| 1812 |
mTransaction->dirtyLastSavePoint(); |
| 1813 |
return true; |
| 1814 |
} |
| 1815 |
|
| 1816 |
if ( i > 0 ) |
| 1817 |
pushError( tr( "Only %1 of %2 features deleted" ).arg( i ).arg( ids.size() ) );
|
| 1818 |
} |
| 1819 |
|
| 1820 |
return false; |
| 1821 |
} |
| 1822 |
|
| 1823 |
void QgsMssqlProvider::updateExtents()
|
| 1824 |
{
|
| 1825 |
mExtent.setNull(); |
| 1826 |
} |
| 1827 |
|
| 1828 |
Qgis::VectorProviderCapabilities QgsMssqlProvider::capabilities() const
|
| 1829 |
{
|
| 1830 |
Qgis::VectorProviderCapabilities cap = Qgis::VectorProviderCapability::CreateAttributeIndex | Qgis::VectorProviderCapability::AddFeatures | Qgis::VectorProviderCapability::AddAttributes | Qgis::VectorProviderCapability::TransactionSupport; |
| 1831 |
bool hasGeom = false; |
| 1832 |
if ( !mGeometryColName.isEmpty() )
|
| 1833 |
{
|
| 1834 |
hasGeom = true;
|
| 1835 |
cap |= Qgis::VectorProviderCapability::CreateSpatialIndex; |
| 1836 |
} |
| 1837 |
|
| 1838 |
if ( mPrimaryKeyAttrs.isEmpty() )
|
| 1839 |
return cap;
|
| 1840 |
|
| 1841 |
if ( hasGeom )
|
| 1842 |
cap |= Qgis::VectorProviderCapability::ChangeGeometries; |
| 1843 |
|
| 1844 |
return cap | Qgis::VectorProviderCapability::DeleteFeatures | Qgis::VectorProviderCapability::ChangeAttributeValues | Qgis::VectorProviderCapability::DeleteAttributes | Qgis::VectorProviderCapability::SelectAtId;
|
| 1845 |
} |
| 1846 |
|
| 1847 |
bool QgsMssqlProvider::createSpatialIndex()
|
| 1848 |
{
|
| 1849 |
if ( mUseEstimatedMetadata )
|
| 1850 |
UpdateStatistics( false );
|
| 1851 |
|
| 1852 |
QSqlQuery query = createQuery(); |
| 1853 |
query.setForwardOnly( true );
|
| 1854 |
QString statement; |
| 1855 |
statement = QStringLiteral( "CREATE SPATIAL INDEX [qgs_%1_sidx] ON [%2].[%3] ( [%4] )" ).arg( mGeometryColName, mSchemaName, mTableName, mGeometryColName );
|
| 1856 |
|
| 1857 |
if ( mGeometryColType == QLatin1String( "geometry" ) ) |
| 1858 |
{
|
| 1859 |
statement += QStringLiteral( " USING GEOMETRY_GRID WITH (BOUNDING_BOX =(%1, %2, %3, %4))" ).arg( QString::number( mExtent.xMinimum() ), QString::number( mExtent.yMinimum() ), QString::number( mExtent.xMaximum() ), QString::number( mExtent.yMaximum() ) );
|
| 1860 |
} |
| 1861 |
else
|
| 1862 |
{
|
| 1863 |
statement += QLatin1String( " USING GEOGRAPHY_GRID" );
|
| 1864 |
} |
| 1865 |
|
| 1866 |
if ( !LoggedExec( query, statement ) )
|
| 1867 |
{
|
| 1868 |
pushError( query.lastError().text() ); |
| 1869 |
return false; |
| 1870 |
} |
| 1871 |
|
| 1872 |
return true; |
| 1873 |
} |
| 1874 |
|
| 1875 |
bool QgsMssqlProvider::createAttributeIndex( int field ) |
| 1876 |
{
|
| 1877 |
QSqlQuery query = createQuery(); |
| 1878 |
query.setForwardOnly( true );
|
| 1879 |
QString statement; |
| 1880 |
|
| 1881 |
if ( field < 0 || field >= mAttributeFields.size() ) |
| 1882 |
{
|
| 1883 |
pushError( QStringLiteral( "createAttributeIndex invalid index" ) );
|
| 1884 |
return false; |
| 1885 |
} |
| 1886 |
|
| 1887 |
statement = QStringLiteral( "CREATE NONCLUSTERED INDEX [qgs_%1_idx] ON [%2].[%3] ( [%4] )" ).arg( mGeometryColName, mSchemaName, mTableName, mAttributeFields.at( field ).name() );
|
| 1888 |
|
| 1889 |
if ( !LoggedExec( query, statement ) )
|
| 1890 |
{
|
| 1891 |
pushError( query.lastError().text() ); |
| 1892 |
return false; |
| 1893 |
} |
| 1894 |
|
| 1895 |
return true; |
| 1896 |
} |
| 1897 |
|
| 1898 |
QgsCoordinateReferenceSystem QgsMssqlProvider::crs() const
|
| 1899 |
{
|
| 1900 |
if ( !mCrs.isValid() && mSRId > 0 ) |
| 1901 |
{
|
| 1902 |
// try to load crs from the database tables as a fallback
|
| 1903 |
QSqlQuery query = createQuery(); |
| 1904 |
query.setForwardOnly( true );
|
| 1905 |
const QString statement { QStringLiteral( "SELECT srtext FROM spatial_ref_sys WHERE srid=%1" ).arg( mSRId ) }; |
| 1906 |
|
| 1907 |
bool execOk = LoggedExec( query, statement );
|
| 1908 |
if ( execOk && query.isActive() )
|
| 1909 |
{
|
| 1910 |
if ( query.next() )
|
| 1911 |
{
|
| 1912 |
mCrs = QgsCoordinateReferenceSystem::fromWkt( query.value( 0 ).toString() );
|
| 1913 |
if ( mCrs.isValid() )
|
| 1914 |
return mCrs;
|
| 1915 |
} |
| 1916 |
|
| 1917 |
query.finish(); |
| 1918 |
} |
| 1919 |
query.clear(); |
| 1920 |
query.setForwardOnly( true );
|
| 1921 |
|
| 1922 |
// Look in the system reference table for the data if we can't find it yet
|
| 1923 |
execOk = LoggedExec( query, QStringLiteral( "SELECT well_known_text FROM sys.spatial_reference_systems WHERE spatial_reference_id=%1" ).arg( mSRId ) );
|
| 1924 |
if ( execOk && query.isActive() && query.next() )
|
| 1925 |
{
|
| 1926 |
mCrs = QgsCoordinateReferenceSystem::fromWkt( query.value( 0 ).toString() );
|
| 1927 |
if ( mCrs.isValid() )
|
| 1928 |
return mCrs;
|
| 1929 |
} |
| 1930 |
else // try to load as EPSG |
| 1931 |
{
|
| 1932 |
mCrs = QgsCoordinateReferenceSystem::fromEpsgId( mSRId ); |
| 1933 |
} |
| 1934 |
} |
| 1935 |
return mCrs;
|
| 1936 |
} |
| 1937 |
|
| 1938 |
|
| 1939 |
void QgsMssqlProvider::setTransaction( QgsTransaction *transaction )
|
| 1940 |
{
|
| 1941 |
// static_cast since layers cannot be added to a transaction of a non-matching provider
|
| 1942 |
mTransaction = static_cast<QgsMssqlTransaction *>( transaction );
|
| 1943 |
} |
| 1944 |
|
| 1945 |
QgsTransaction *QgsMssqlProvider::transaction() const
|
| 1946 |
{
|
| 1947 |
return mTransaction;
|
| 1948 |
} |
| 1949 |
|
| 1950 |
std::shared_ptr<QgsMssqlDatabase> QgsMssqlProvider::connection() const
|
| 1951 |
{
|
| 1952 |
return mTransaction ? mTransaction->conn() : QgsMssqlDatabase::connectDb( uri().connectionInfo(), false ); |
| 1953 |
} |
| 1954 |
|
| 1955 |
void QgsMssqlProvider::handlePostCloneOperations( QgsVectorDataProvider *source )
|
| 1956 |
{
|
| 1957 |
mShared = qobject_cast<QgsMssqlProvider *>( source )->mShared; |
| 1958 |
} |
| 1959 |
|
| 1960 |
QString QgsMssqlProvider::subsetString() const
|
| 1961 |
{
|
| 1962 |
return mSqlWhereClause;
|
| 1963 |
} |
| 1964 |
|
| 1965 |
QString QgsMssqlProvider::name() const
|
| 1966 |
{
|
| 1967 |
return MSSQL_PROVIDER_KEY;
|
| 1968 |
} |
| 1969 |
|
| 1970 |
bool QgsMssqlProvider::setSubsetString( const QString &theSQL, bool ) |
| 1971 |
{
|
| 1972 |
if ( theSQL.trimmed() == mSqlWhereClause )
|
| 1973 |
return true; |
| 1974 |
|
| 1975 |
const QString prevWhere = mSqlWhereClause;
|
| 1976 |
|
| 1977 |
mSqlWhereClause = theSQL.trimmed(); |
| 1978 |
|
| 1979 |
QString sql = QStringLiteral( "SELECT count(*) FROM " );
|
| 1980 |
|
| 1981 |
sql += QStringLiteral( "[%1].[%2]" ).arg( mSchemaName, mTableName );
|
| 1982 |
|
| 1983 |
if ( !mSqlWhereClause.isEmpty() )
|
| 1984 |
{
|
| 1985 |
sql += QStringLiteral( " WHERE %1" ).arg( mSqlWhereClause );
|
| 1986 |
} |
| 1987 |
|
| 1988 |
QSqlQuery query = createQuery(); |
| 1989 |
query.setForwardOnly( true );
|
| 1990 |
if ( !LoggedExec( query, sql ) )
|
| 1991 |
{
|
| 1992 |
pushError( query.lastError().text() ); |
| 1993 |
mSqlWhereClause = prevWhere; |
| 1994 |
return false; |
| 1995 |
} |
| 1996 |
|
| 1997 |
if ( query.isActive() && query.next() )
|
| 1998 |
mNumberFeatures = query.value( 0 ).toLongLong();
|
| 1999 |
|
| 2000 |
QgsDataSourceUri anUri = QgsDataSourceUri( dataSourceUri() ); |
| 2001 |
anUri.setSql( mSqlWhereClause ); |
| 2002 |
|
| 2003 |
setDataSourceUri( anUri.uri() ); |
| 2004 |
|
| 2005 |
mExtent.setNull(); |
| 2006 |
|
| 2007 |
emit dataChanged(); |
| 2008 |
|
| 2009 |
return true; |
| 2010 |
} |
| 2011 |
|
| 2012 |
bool QgsMssqlProvider::supportsSubsetString() const |
| 2013 |
{
|
| 2014 |
return true; |
| 2015 |
} |
| 2016 |
|
| 2017 |
QString QgsMssqlProvider::subsetStringDialect() const
|
| 2018 |
{
|
| 2019 |
return tr( "SQL Server WHERE clause" ); |
| 2020 |
} |
| 2021 |
|
| 2022 |
QString QgsMssqlProvider::subsetStringHelpUrl() const
|
| 2023 |
{
|
| 2024 |
return QStringLiteral( "https://learn.microsoft.com/en-us/sql/t-sql/queries/where-transact-sql?view=sql-server-ver16" ); |
| 2025 |
} |
| 2026 |
|
| 2027 |
QString QgsMssqlProvider::description() const
|
| 2028 |
{
|
| 2029 |
return MSSQL_PROVIDER_DESCRIPTION;
|
| 2030 |
} |
| 2031 |
|
| 2032 |
QgsAttributeList QgsMssqlProvider::pkAttributeIndexes() const
|
| 2033 |
{
|
| 2034 |
return mPrimaryKeyAttrs;
|
| 2035 |
} |
| 2036 |
|
| 2037 |
QStringList QgsMssqlProvider::subLayers() const
|
| 2038 |
{
|
| 2039 |
return mTables;
|
| 2040 |
} |
| 2041 |
|
| 2042 |
bool QgsMssqlProvider::convertField( QgsField &field )
|
| 2043 |
{
|
| 2044 |
QString fieldType = QStringLiteral( "nvarchar(max)" ); //default to string |
| 2045 |
int fieldSize = field.length();
|
| 2046 |
int fieldPrec = field.precision();
|
| 2047 |
switch ( field.type() )
|
| 2048 |
{
|
| 2049 |
case QMetaType::Type::LongLong:
|
| 2050 |
fieldType = QStringLiteral( "bigint" );
|
| 2051 |
fieldSize = -1;
|
| 2052 |
fieldPrec = 0;
|
| 2053 |
break;
|
| 2054 |
|
| 2055 |
case QMetaType::Type::QDateTime:
|
| 2056 |
fieldType = QStringLiteral( "datetime" );
|
| 2057 |
fieldPrec = 0;
|
| 2058 |
break;
|
| 2059 |
|
| 2060 |
case QMetaType::Type::QDate:
|
| 2061 |
fieldType = QStringLiteral( "date" );
|
| 2062 |
fieldPrec = 0;
|
| 2063 |
break;
|
| 2064 |
|
| 2065 |
case QMetaType::Type::QTime:
|
| 2066 |
fieldType = QStringLiteral( "time" );
|
| 2067 |
fieldPrec = 0;
|
| 2068 |
break;
|
| 2069 |
|
| 2070 |
case QMetaType::Type::QString:
|
| 2071 |
fieldType = QStringLiteral( "nvarchar(max)" );
|
| 2072 |
fieldPrec = 0;
|
| 2073 |
break;
|
| 2074 |
|
| 2075 |
case QMetaType::Type::Int:
|
| 2076 |
fieldType = QStringLiteral( "int" );
|
| 2077 |
fieldSize = -1;
|
| 2078 |
fieldPrec = 0;
|
| 2079 |
break;
|
| 2080 |
|
| 2081 |
case QMetaType::Type::Double:
|
| 2082 |
if ( fieldSize <= 0 || fieldPrec <= 0 ) |
| 2083 |
{
|
| 2084 |
fieldType = QStringLiteral( "float" );
|
| 2085 |
fieldSize = -1;
|
| 2086 |
fieldPrec = 0;
|
| 2087 |
} |
| 2088 |
else
|
| 2089 |
{
|
| 2090 |
fieldType = QStringLiteral( "decimal" );
|
| 2091 |
} |
| 2092 |
break;
|
| 2093 |
|
| 2094 |
default:
|
| 2095 |
return false; |
| 2096 |
} |
| 2097 |
|
| 2098 |
field.setTypeName( fieldType ); |
| 2099 |
field.setLength( fieldSize ); |
| 2100 |
field.setPrecision( fieldPrec ); |
| 2101 |
return true; |
| 2102 |
} |
| 2103 |
|
| 2104 |
void QgsMssqlProvider::mssqlWkbTypeAndDimension( Qgis::WkbType wkbType, QString &geometryType, int &dim ) |
| 2105 |
{
|
| 2106 |
const Qgis::WkbType flatType = QgsWkbTypes::flatType( wkbType );
|
| 2107 |
|
| 2108 |
if ( flatType == Qgis::WkbType::Point )
|
| 2109 |
geometryType = QStringLiteral( "POINT" );
|
| 2110 |
else if ( flatType == Qgis::WkbType::LineString ) |
| 2111 |
geometryType = QStringLiteral( "LINESTRING" );
|
| 2112 |
else if ( flatType == Qgis::WkbType::Polygon ) |
| 2113 |
geometryType = QStringLiteral( "POLYGON" );
|
| 2114 |
else if ( flatType == Qgis::WkbType::MultiPoint ) |
| 2115 |
geometryType = QStringLiteral( "MULTIPOINT" );
|
| 2116 |
else if ( flatType == Qgis::WkbType::MultiLineString ) |
| 2117 |
geometryType = QStringLiteral( "MULTILINESTRING" );
|
| 2118 |
else if ( flatType == Qgis::WkbType::MultiPolygon ) |
| 2119 |
geometryType = QStringLiteral( "MULTIPOLYGON" );
|
| 2120 |
else if ( flatType == Qgis::WkbType::GeometryCollection ) |
| 2121 |
geometryType = QStringLiteral( "GEOMETRYCOLLECTION" );
|
| 2122 |
else if ( flatType == Qgis::WkbType::CircularString ) |
| 2123 |
geometryType = QStringLiteral( "CIRCULARSTRING" );
|
| 2124 |
else if ( flatType == Qgis::WkbType::CompoundCurve ) |
| 2125 |
geometryType = QStringLiteral( "COMPOUNDCURVE" );
|
| 2126 |
else if ( flatType == Qgis::WkbType::CurvePolygon ) |
| 2127 |
geometryType = QStringLiteral( "CURVEPOLYGON" );
|
| 2128 |
else if ( flatType == Qgis::WkbType::Unknown ) |
| 2129 |
geometryType = QStringLiteral( "GEOMETRY" );
|
| 2130 |
else
|
| 2131 |
{
|
| 2132 |
dim = 0;
|
| 2133 |
return;
|
| 2134 |
} |
| 2135 |
|
| 2136 |
if ( QgsWkbTypes::hasZ( wkbType ) && QgsWkbTypes::hasM( wkbType ) )
|
| 2137 |
{
|
| 2138 |
dim = 4;
|
| 2139 |
} |
| 2140 |
else if ( QgsWkbTypes::hasZ( wkbType ) ) |
| 2141 |
{
|
| 2142 |
dim = 3;
|
| 2143 |
} |
| 2144 |
else if ( QgsWkbTypes::hasM( wkbType ) ) |
| 2145 |
{
|
| 2146 |
geometryType += QLatin1Char( 'M' );
|
| 2147 |
dim = 3;
|
| 2148 |
} |
| 2149 |
else if ( wkbType >= Qgis::WkbType::Point25D && wkbType <= Qgis::WkbType::MultiPolygon25D ) |
| 2150 |
{
|
| 2151 |
dim = 3;
|
| 2152 |
} |
| 2153 |
} |
| 2154 |
|
| 2155 |
Qgis::WkbType QgsMssqlProvider::getWkbType( const QString &geometryType )
|
| 2156 |
{
|
| 2157 |
return QgsWkbTypes::parseType( geometryType );
|
| 2158 |
} |
| 2159 |
|
| 2160 |
|
| 2161 |
Qgis::VectorExportResult QgsMssqlProvider::createEmptyLayer( const QString &uri, const QgsFields &fields, Qgis::WkbType wkbType, const QgsCoordinateReferenceSystem &srs, bool overwrite, QMap<int, int> *oldToNewAttrIdxMap, QString *errorMessage, const QMap<QString, QVariant> *options ) |
| 2162 |
{
|
| 2163 |
Q_UNUSED( options ) |
| 2164 |
|
| 2165 |
// populate members from the uri structure
|
| 2166 |
QgsDataSourceUri dsUri( uri ); |
| 2167 |
|
| 2168 |
// connect to database
|
| 2169 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2170 |
|
| 2171 |
if ( !db->isValid() )
|
| 2172 |
{
|
| 2173 |
if ( errorMessage )
|
| 2174 |
*errorMessage = db->errorText(); |
| 2175 |
return Qgis::VectorExportResult::ErrorConnectionFailed;
|
| 2176 |
} |
| 2177 |
|
| 2178 |
const QString dbName = dsUri.database();
|
| 2179 |
|
| 2180 |
QString schemaName = dsUri.schema(); |
| 2181 |
const QString tableName = dsUri.table();
|
| 2182 |
|
| 2183 |
QString geometryColumn = dsUri.geometryColumn(); |
| 2184 |
|
| 2185 |
QString primaryKey = dsUri.keyColumn(); |
| 2186 |
QString primaryKeyType; |
| 2187 |
|
| 2188 |
if ( schemaName.isEmpty() )
|
| 2189 |
schemaName = QStringLiteral( "dbo" );
|
| 2190 |
|
| 2191 |
if ( wkbType != Qgis::WkbType::NoGeometry && geometryColumn.isEmpty() )
|
| 2192 |
geometryColumn = QStringLiteral( "geom" );
|
| 2193 |
|
| 2194 |
// get the pk's name and type
|
| 2195 |
bool createdNewPk = false; |
| 2196 |
|
| 2197 |
// if no pk name was passed, define the new pk field name
|
| 2198 |
if ( primaryKey.isEmpty() )
|
| 2199 |
{
|
| 2200 |
int index = 0; |
| 2201 |
const QString pk = primaryKey = QStringLiteral( "qgs_fid" ); |
| 2202 |
for ( int i = 0, n = fields.size(); i < n; ++i ) |
| 2203 |
{
|
| 2204 |
if ( fields.at( i ).name() == primaryKey )
|
| 2205 |
{
|
| 2206 |
// it already exists, try again with a new name
|
| 2207 |
primaryKey = QStringLiteral( "%1_%2" ).arg( pk ).arg( index++ );
|
| 2208 |
i = 0;
|
| 2209 |
} |
| 2210 |
} |
| 2211 |
createdNewPk = true;
|
| 2212 |
} |
| 2213 |
else
|
| 2214 |
{
|
| 2215 |
// search for the passed field
|
| 2216 |
for ( int i = 0, n = fields.size(); i < n; ++i ) |
| 2217 |
{
|
| 2218 |
if ( fields.at( i ).name() == primaryKey )
|
| 2219 |
{
|
| 2220 |
// found, get the field type
|
| 2221 |
QgsField fld = fields.at( i ); |
| 2222 |
if ( ( options && options->value( QStringLiteral( "skipConvertFields" ), false ).toBool() ) || convertField( fld ) ) |
| 2223 |
{
|
| 2224 |
primaryKeyType = fld.typeName(); |
| 2225 |
} |
| 2226 |
} |
| 2227 |
} |
| 2228 |
} |
| 2229 |
|
| 2230 |
// if the field doesn't not exist yet, create it as a serial field
|
| 2231 |
if ( primaryKeyType.isEmpty() )
|
| 2232 |
primaryKeyType = QStringLiteral( "serial" );
|
| 2233 |
|
| 2234 |
QString sql; |
| 2235 |
QSqlQuery q = QSqlQuery( db->db() ); |
| 2236 |
q.setForwardOnly( true );
|
| 2237 |
|
| 2238 |
// initialize metadata tables (same as OGR SQL)
|
| 2239 |
sql = QString( "IF NOT EXISTS (SELECT * FROM sys.objects WHERE "
|
| 2240 |
"object_id = OBJECT_ID(N'[dbo].[geometry_columns]') AND type in (N'U')) "
|
| 2241 |
"CREATE TABLE geometry_columns (f_table_catalog varchar(128) not null, "
|
| 2242 |
"f_table_schema varchar(128) not null, f_table_name varchar(256) not null, "
|
| 2243 |
"f_geometry_column varchar(256) not null, coord_dimension integer not null, "
|
| 2244 |
"srid integer not null, geometry_type varchar(30) not null, "
|
| 2245 |
"CONSTRAINT geometry_columns_pk PRIMARY KEY (f_table_catalog, "
|
| 2246 |
"f_table_schema, f_table_name, f_geometry_column));\n"
|
| 2247 |
"IF NOT EXISTS (SELECT * FROM sys.objects "
|
| 2248 |
"WHERE object_id = OBJECT_ID(N'[dbo].[spatial_ref_sys]') AND type in (N'U')) "
|
| 2249 |
"CREATE TABLE spatial_ref_sys (srid integer not null "
|
| 2250 |
"PRIMARY KEY, auth_name varchar(256), auth_srid integer, srtext varchar(2048), proj4text varchar(2048))" );
|
| 2251 |
|
| 2252 |
std::unique_ptr<QgsDatabaseQueryLogWrapper> logWrapper = std::make_unique<QgsDatabaseQueryLogWrapper>( sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), QGS_QUERY_LOG_ORIGIN ); |
| 2253 |
|
| 2254 |
if ( !q.exec( sql ) )
|
| 2255 |
{
|
| 2256 |
logWrapper->setError( q.lastError().text() ); |
| 2257 |
if ( errorMessage )
|
| 2258 |
*errorMessage = q.lastError().text(); |
| 2259 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2260 |
} |
| 2261 |
|
| 2262 |
// set up spatial reference id
|
| 2263 |
long srid = 0; |
| 2264 |
if ( srs.isValid() )
|
| 2265 |
{
|
| 2266 |
srid = srs.postgisSrid(); |
| 2267 |
QString auth_srid = QStringLiteral( "null" );
|
| 2268 |
QString auth_name = QStringLiteral( "null" );
|
| 2269 |
QStringList sl = srs.authid().split( ':' );
|
| 2270 |
if ( sl.length() == 2 ) |
| 2271 |
{
|
| 2272 |
auth_name = sl[0];
|
| 2273 |
auth_srid = sl[1];
|
| 2274 |
} |
| 2275 |
sql = QStringLiteral( "IF NOT EXISTS (SELECT * FROM spatial_ref_sys WHERE srid=%1) INSERT INTO spatial_ref_sys (srid, auth_name, auth_srid, srtext, proj4text) VALUES (%1, %2, %3, %4, %5)" )
|
| 2276 |
.arg( srid ) |
| 2277 |
.arg( quotedValue( auth_name ), auth_srid, quotedValue( srs.toWkt() ), quotedValue( srs.toProj() ) ); |
| 2278 |
|
| 2279 |
logWrapper.reset( new QgsDatabaseQueryLogWrapper( sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), QGS_QUERY_LOG_ORIGIN ) ); |
| 2280 |
|
| 2281 |
if ( !q.exec( sql ) )
|
| 2282 |
{
|
| 2283 |
logWrapper->setError( q.lastError().text() ); |
| 2284 |
if ( errorMessage )
|
| 2285 |
*errorMessage = q.lastError().text(); |
| 2286 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2287 |
} |
| 2288 |
} |
| 2289 |
|
| 2290 |
// get wkb type and dimension
|
| 2291 |
QString geometryType; |
| 2292 |
int dim = 2; |
| 2293 |
mssqlWkbTypeAndDimension( wkbType, geometryType, dim ); |
| 2294 |
|
| 2295 |
if ( overwrite )
|
| 2296 |
{
|
| 2297 |
// remove the old table with the same name
|
| 2298 |
sql = QStringLiteral( "IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[%1].[%2]') AND type in (N'U')) BEGIN DROP TABLE [%1].[%2] DELETE FROM geometry_columns where f_table_schema='%1' and f_table_name='%2' END;" )
|
| 2299 |
.arg( schemaName, tableName ); |
| 2300 |
|
| 2301 |
logWrapper.reset( new QgsDatabaseQueryLogWrapper( sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), QGS_QUERY_LOG_ORIGIN ) ); |
| 2302 |
|
| 2303 |
if ( !q.exec( sql ) )
|
| 2304 |
{
|
| 2305 |
logWrapper->setError( q.lastError().text() ); |
| 2306 |
if ( errorMessage )
|
| 2307 |
*errorMessage = q.lastError().text(); |
| 2308 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2309 |
} |
| 2310 |
} |
| 2311 |
else
|
| 2312 |
{
|
| 2313 |
// test for existing
|
| 2314 |
sql = QStringLiteral( "SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[%1].[%2]') AND type in (N'U')" )
|
| 2315 |
.arg( schemaName, tableName ); |
| 2316 |
|
| 2317 |
logWrapper.reset( new QgsDatabaseQueryLogWrapper( sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), QGS_QUERY_LOG_ORIGIN ) ); |
| 2318 |
|
| 2319 |
if ( !q.exec( sql ) )
|
| 2320 |
{
|
| 2321 |
logWrapper->setError( q.lastError().text() ); |
| 2322 |
if ( errorMessage )
|
| 2323 |
*errorMessage = q.lastError().text(); |
| 2324 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2325 |
} |
| 2326 |
|
| 2327 |
// if we got a hit, abort!!
|
| 2328 |
if ( q.next() )
|
| 2329 |
{
|
| 2330 |
if ( errorMessage )
|
| 2331 |
*errorMessage = tr( "Table [%1].[%2] already exists" ).arg( schemaName, tableName );
|
| 2332 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2333 |
} |
| 2334 |
} |
| 2335 |
|
| 2336 |
if ( !geometryColumn.isEmpty() )
|
| 2337 |
{
|
| 2338 |
sql = QStringLiteral( "IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[%1].[%2]') AND type in (N'U')) DROP TABLE [%1].[%2]\n"
|
| 2339 |
"CREATE TABLE [%1].[%2]([%3] [int] IDENTITY(1,1) NOT NULL, [%4] [geometry] NULL CONSTRAINT [PK_%2] PRIMARY KEY CLUSTERED ( [%3] ASC ))\n"
|
| 2340 |
"DELETE FROM geometry_columns WHERE f_table_schema = '%1' AND f_table_name = '%2'\n"
|
| 2341 |
"INSERT INTO [geometry_columns] ([f_table_catalog], [f_table_schema],[f_table_name], "
|
| 2342 |
"[f_geometry_column],[coord_dimension],[srid],[geometry_type]) VALUES ('%5', '%1', '%2', '%4', %6, %7, '%8')" )
|
| 2343 |
.arg( schemaName, tableName, primaryKey, geometryColumn, dbName, QString::number( dim ), QString::number( srid ), geometryType ); |
| 2344 |
} |
| 2345 |
else
|
| 2346 |
{
|
| 2347 |
//geometryless table
|
| 2348 |
sql = QStringLiteral( "IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[%1].[%2]') AND type in (N'U')) DROP TABLE [%1].[%2]\n"
|
| 2349 |
"CREATE TABLE [%1].[%2]([%3] [int] IDENTITY(1,1) NOT NULL CONSTRAINT [PK_%2] PRIMARY KEY CLUSTERED ( [%3] ASC ))\n"
|
| 2350 |
"DELETE FROM geometry_columns WHERE f_table_schema = '%1' AND f_table_name = '%2'\n"
|
| 2351 |
) |
| 2352 |
.arg( schemaName, tableName, primaryKey ); |
| 2353 |
} |
| 2354 |
|
| 2355 |
logWrapper.reset( new QgsDatabaseQueryLogWrapper( sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProvider" ), QGS_QUERY_LOG_ORIGIN ) ); |
| 2356 |
|
| 2357 |
if ( !q.exec( sql ) )
|
| 2358 |
{
|
| 2359 |
logWrapper->setError( q.lastError().text() ); |
| 2360 |
if ( errorMessage )
|
| 2361 |
*errorMessage = q.lastError().text(); |
| 2362 |
return Qgis::VectorExportResult::ErrorCreatingLayer;
|
| 2363 |
} |
| 2364 |
|
| 2365 |
// clear any resources hold by the query
|
| 2366 |
q.clear(); |
| 2367 |
q.setForwardOnly( true );
|
| 2368 |
|
| 2369 |
// use the provider to edit the table
|
| 2370 |
dsUri.setDataSource( schemaName, tableName, geometryColumn, QString(), primaryKey ); |
| 2371 |
|
| 2372 |
const QgsDataProvider::ProviderOptions providerOptions;
|
| 2373 |
const Qgis::DataProviderReadFlags flags;
|
| 2374 |
QgsMssqlProvider *provider = new QgsMssqlProvider( dsUri.uri(), providerOptions, flags );
|
| 2375 |
if ( !provider->isValid() )
|
| 2376 |
{
|
| 2377 |
if ( errorMessage )
|
| 2378 |
*errorMessage = QObject::tr( "Loading of the MSSQL provider failed" );
|
| 2379 |
|
| 2380 |
delete provider;
|
| 2381 |
return Qgis::VectorExportResult::ErrorInvalidLayer;
|
| 2382 |
} |
| 2383 |
|
| 2384 |
// add fields to the layer
|
| 2385 |
if ( oldToNewAttrIdxMap )
|
| 2386 |
oldToNewAttrIdxMap->clear(); |
| 2387 |
|
| 2388 |
if ( fields.size() > 0 ) |
| 2389 |
{
|
| 2390 |
// if we had to create a primary key column, we start the old columns from 1
|
| 2391 |
int offset = createdNewPk ? 1 : 0; |
| 2392 |
|
| 2393 |
// get the list of fields
|
| 2394 |
QList<QgsField> flist; |
| 2395 |
for ( int i = 0, n = fields.size(); i < n; ++i ) |
| 2396 |
{
|
| 2397 |
QgsField fld = fields.at( i ); |
| 2398 |
if ( oldToNewAttrIdxMap && fld.name() == primaryKey )
|
| 2399 |
{
|
| 2400 |
oldToNewAttrIdxMap->insert( fields.lookupField( fld.name() ), 0 );
|
| 2401 |
continue;
|
| 2402 |
} |
| 2403 |
|
| 2404 |
if ( fld.name() == geometryColumn )
|
| 2405 |
{
|
| 2406 |
// Found a field with the same name of the geometry column. Skip it!
|
| 2407 |
continue;
|
| 2408 |
} |
| 2409 |
|
| 2410 |
if ( !( options && options->value( QStringLiteral( "skipConvertFields" ), false ).toBool() ) && !convertField( fld ) ) |
| 2411 |
{
|
| 2412 |
if ( errorMessage )
|
| 2413 |
*errorMessage = QObject::tr( "Unsupported type for field %1" ).arg( fld.name() );
|
| 2414 |
|
| 2415 |
delete provider;
|
| 2416 |
return Qgis::VectorExportResult::ErrorAttributeTypeUnsupported;
|
| 2417 |
} |
| 2418 |
|
| 2419 |
flist.append( fld ); |
| 2420 |
if ( oldToNewAttrIdxMap )
|
| 2421 |
oldToNewAttrIdxMap->insert( fields.lookupField( fld.name() ), offset++ ); |
| 2422 |
} |
| 2423 |
|
| 2424 |
if ( !provider->addAttributes( flist ) )
|
| 2425 |
{
|
| 2426 |
if ( errorMessage )
|
| 2427 |
*errorMessage = QObject::tr( "Creation of fields failed" );
|
| 2428 |
|
| 2429 |
delete provider;
|
| 2430 |
return Qgis::VectorExportResult::ErrorAttributeCreationFailed;
|
| 2431 |
} |
| 2432 |
} |
| 2433 |
return Qgis::VectorExportResult::Success;
|
| 2434 |
} |
| 2435 |
|
| 2436 |
|
| 2437 |
/**
|
| 2438 |
* Class factory to return a pointer to a newly created
|
| 2439 |
* QgsMssqlProvider object
|
| 2440 |
*/
|
| 2441 |
QgsMssqlProvider *QgsMssqlProviderMetadata::createProvider( |
| 2442 |
const QString &uri,
|
| 2443 |
const QgsDataProvider::ProviderOptions &options,
|
| 2444 |
Qgis::DataProviderReadFlags flags |
| 2445 |
) |
| 2446 |
{
|
| 2447 |
return new QgsMssqlProvider( uri, options, flags ); |
| 2448 |
} |
| 2449 |
|
| 2450 |
QList<QgsDataItemProvider *> QgsMssqlProviderMetadata::dataItemProviders() const
|
| 2451 |
{
|
| 2452 |
QList<QgsDataItemProvider *> providers; |
| 2453 |
providers << new QgsMssqlDataItemProvider;
|
| 2454 |
return providers;
|
| 2455 |
} |
| 2456 |
|
| 2457 |
QgsTransaction *QgsMssqlProviderMetadata::createTransaction( const QString &connString )
|
| 2458 |
{
|
| 2459 |
return new QgsMssqlTransaction( connString ); |
| 2460 |
} |
| 2461 |
|
| 2462 |
QMap<QString, QgsAbstractProviderConnection *> QgsMssqlProviderMetadata::connections( bool cached )
|
| 2463 |
{
|
| 2464 |
return connectionsProtected<QgsMssqlProviderConnection, QgsMssqlConnection>( cached );
|
| 2465 |
} |
| 2466 |
|
| 2467 |
QgsAbstractProviderConnection *QgsMssqlProviderMetadata::createConnection( const QString &name )
|
| 2468 |
{
|
| 2469 |
return new QgsMssqlProviderConnection( name ); |
| 2470 |
} |
| 2471 |
|
| 2472 |
QgsAbstractProviderConnection *QgsMssqlProviderMetadata::createConnection( const QString &uri, const QVariantMap &configuration ) |
| 2473 |
{
|
| 2474 |
return new QgsMssqlProviderConnection( uri, configuration ); |
| 2475 |
} |
| 2476 |
|
| 2477 |
void QgsMssqlProviderMetadata::deleteConnection( const QString &name ) |
| 2478 |
{
|
| 2479 |
deleteConnectionProtected<QgsMssqlProviderConnection>( name ); |
| 2480 |
} |
| 2481 |
|
| 2482 |
void QgsMssqlProviderMetadata::saveConnection( const QgsAbstractProviderConnection *conn, const QString &name ) |
| 2483 |
{
|
| 2484 |
saveConnectionProtected( conn, name ); |
| 2485 |
} |
| 2486 |
|
| 2487 |
Qgis::VectorExportResult QgsMssqlProviderMetadata::createEmptyLayer( const QString &uri, const QgsFields &fields, Qgis::WkbType wkbType, const QgsCoordinateReferenceSystem &srs, bool overwrite, QMap<int, int> &oldToNewAttrIdxMap, QString &errorMessage, const QMap<QString, QVariant> *options ) |
| 2488 |
{
|
| 2489 |
return QgsMssqlProvider::createEmptyLayer(
|
| 2490 |
uri, fields, wkbType, srs, overwrite, |
| 2491 |
&oldToNewAttrIdxMap, &errorMessage, options |
| 2492 |
); |
| 2493 |
} |
| 2494 |
|
| 2495 |
bool QgsMssqlProviderMetadata::styleExists( const QString &uri, const QString &styleId, QString &errorCause ) |
| 2496 |
{
|
| 2497 |
errorCause.clear(); |
| 2498 |
const QgsDataSourceUri dsUri( uri );
|
| 2499 |
// connect to database
|
| 2500 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2501 |
|
| 2502 |
if ( !db->isValid() )
|
| 2503 |
{
|
| 2504 |
errorCause = QObject::tr( "Error connecting to database: %1" ).arg( db->errorText() );
|
| 2505 |
return false; |
| 2506 |
} |
| 2507 |
|
| 2508 |
QSqlQuery query = QSqlQuery( db->db() ); |
| 2509 |
query.setForwardOnly( true );
|
| 2510 |
const QString sql { QStringLiteral( "SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = N'layer_styles'" ) }; |
| 2511 |
|
| 2512 |
if ( !LoggedExecMetadata( query, sql, uri ) )
|
| 2513 |
{
|
| 2514 |
errorCause = QObject::tr( "Could not check if layer_styles table exists: %1" ).arg( query.lastError().text() );
|
| 2515 |
return false; |
| 2516 |
} |
| 2517 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == 0 ) |
| 2518 |
{
|
| 2519 |
// no layer_styles table
|
| 2520 |
query.finish(); |
| 2521 |
return false; |
| 2522 |
} |
| 2523 |
|
| 2524 |
query.clear(); |
| 2525 |
query.setForwardOnly( true );
|
| 2526 |
const QString checkQuery = QString( "SELECT styleName" |
| 2527 |
" FROM layer_styles"
|
| 2528 |
" WHERE f_table_catalog=%1"
|
| 2529 |
" AND f_table_schema=%2"
|
| 2530 |
" AND f_table_name=%3"
|
| 2531 |
" AND f_geometry_column=%4"
|
| 2532 |
" AND styleName=%5" )
|
| 2533 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2534 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2535 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2536 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ) |
| 2537 |
.arg( QgsMssqlProvider::quotedValue( styleId.isEmpty() ? dsUri.table() : styleId ) ); |
| 2538 |
|
| 2539 |
if ( !LoggedExecMetadata( query, checkQuery, uri ) )
|
| 2540 |
{
|
| 2541 |
errorCause = QObject::tr( "Checking for style failed: %1" ).arg( query.lastError().text() );
|
| 2542 |
return false; |
| 2543 |
} |
| 2544 |
|
| 2545 |
if ( query.isActive() && query.next() && query.value( 0 ).toString() == styleId ) |
| 2546 |
{
|
| 2547 |
return true; |
| 2548 |
} |
| 2549 |
else
|
| 2550 |
{
|
| 2551 |
return false; |
| 2552 |
} |
| 2553 |
} |
| 2554 |
|
| 2555 |
bool QgsMssqlProviderMetadata::saveStyle( const QString &uri, const QString &qmlStyle, const QString &sldStyle, const QString &styleName, const QString &styleDescription, const QString &uiFileContent, bool useAsDefault, QString &errCause ) |
| 2556 |
{
|
| 2557 |
const QgsDataSourceUri dsUri( uri );
|
| 2558 |
// connect to database
|
| 2559 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2560 |
|
| 2561 |
if ( !db->isValid() )
|
| 2562 |
{
|
| 2563 |
QgsDebugError( QStringLiteral( "Error connecting to database" ) );
|
| 2564 |
QgsDebugError( db->errorText() ); |
| 2565 |
return false; |
| 2566 |
} |
| 2567 |
|
| 2568 |
QSqlQuery query = QSqlQuery( db->db() ); |
| 2569 |
query.setForwardOnly( true );
|
| 2570 |
|
| 2571 |
QString sql { QStringLiteral( "SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME= N'layer_styles'" ) };
|
| 2572 |
|
| 2573 |
if ( !LoggedExecMetadata( query, sql, uri ) )
|
| 2574 |
{
|
| 2575 |
QgsDebugError( query.lastError().text() ); |
| 2576 |
return false; |
| 2577 |
} |
| 2578 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == 0 ) |
| 2579 |
{
|
| 2580 |
QgsDebugMsgLevel( QStringLiteral( "Need to create styles table" ), 2 ); |
| 2581 |
|
| 2582 |
sql = QStringLiteral( "CREATE TABLE [dbo].[layer_styles]("
|
| 2583 |
"[id] int IDENTITY(1,1) PRIMARY KEY,"
|
| 2584 |
"[f_table_catalog] [varchar](1024) NULL,"
|
| 2585 |
"[f_table_schema] [varchar](1024) NULL,"
|
| 2586 |
"[f_table_name] [varchar](1024) NULL,"
|
| 2587 |
"[f_geometry_column] [varchar](1024) NULL,"
|
| 2588 |
"[styleName] [varchar](1024) NULL,"
|
| 2589 |
"[styleQML] [text] NULL,"
|
| 2590 |
"[styleSLD] [text] NULL,"
|
| 2591 |
"[useAsDefault] [int] NULL,"
|
| 2592 |
"[description] [text] NULL,"
|
| 2593 |
"[owner] [varchar](1024) NULL,"
|
| 2594 |
"[ui] [text] NULL,"
|
| 2595 |
"[update_time] [datetime] NULL"
|
| 2596 |
") ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]" );
|
| 2597 |
|
| 2598 |
const bool execOk = LoggedExecMetadata( query, sql, uri ); |
| 2599 |
if ( !execOk )
|
| 2600 |
{
|
| 2601 |
const QString error { QObject::tr( "Unable to save layer style. It's not possible to create the destination table on the database. Maybe this is due to table permissions. Please contact your database admin" ) }; |
| 2602 |
errCause = error; |
| 2603 |
return false; |
| 2604 |
} |
| 2605 |
query.finish(); |
| 2606 |
query.clear(); |
| 2607 |
query.setForwardOnly( true );
|
| 2608 |
} |
| 2609 |
|
| 2610 |
QString uiFileColumn; |
| 2611 |
QString uiFileValue; |
| 2612 |
if ( !uiFileContent.isEmpty() )
|
| 2613 |
{
|
| 2614 |
uiFileColumn = QStringLiteral( ",ui" );
|
| 2615 |
uiFileValue = QStringLiteral( ",XMLPARSE(DOCUMENT %1)" ).arg( uiFileContent );
|
| 2616 |
} |
| 2617 |
QgsDebugMsgLevel( QStringLiteral( "Ready to insert new style" ), 2 ); |
| 2618 |
// Note: in the construction of the INSERT and UPDATE strings the qmlStyle and sldStyle values
|
| 2619 |
// can contain user entered strings, which may themselves include %## values that would be
|
| 2620 |
// replaced by the QString.arg function. To ensure that the final SQL string is not corrupt these
|
| 2621 |
// two values are both replaced in the final .arg call of the string construction.
|
| 2622 |
|
| 2623 |
sql = QStringLiteral( "INSERT INTO layer_styles"
|
| 2624 |
"(f_table_catalog,f_table_schema,f_table_name,f_geometry_column,styleName,styleQML,styleSLD,useAsDefault,description,owner%11"
|
| 2625 |
") VALUES ("
|
| 2626 |
"%1,%2,%3,%4,%5,%6,%7,%8,%9,%10%12"
|
| 2627 |
")" )
|
| 2628 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2629 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2630 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2631 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ) |
| 2632 |
.arg( QgsMssqlProvider::quotedValue( styleName.isEmpty() ? dsUri.table() : styleName ) ) |
| 2633 |
.arg( QgsMssqlProvider::quotedValue( qmlStyle ) ) |
| 2634 |
.arg( QgsMssqlProvider::quotedValue( sldStyle ) ) |
| 2635 |
.arg( useAsDefault ? QStringLiteral( "1" ) : QStringLiteral( "0" ) ) |
| 2636 |
.arg( QgsMssqlProvider::quotedValue( styleDescription.isEmpty() ? QDateTime::currentDateTime().toString() : styleDescription ) ) |
| 2637 |
.arg( QgsMssqlProvider::quotedValue( dsUri.username() ) ) |
| 2638 |
.arg( uiFileColumn ) |
| 2639 |
.arg( uiFileValue ); |
| 2640 |
|
| 2641 |
const QString checkQuery = QStringLiteral( "SELECT styleName" |
| 2642 |
" FROM layer_styles"
|
| 2643 |
" WHERE f_table_catalog=%1"
|
| 2644 |
" AND f_table_schema=%2"
|
| 2645 |
" AND f_table_name=%3"
|
| 2646 |
" AND f_geometry_column=%4"
|
| 2647 |
" AND styleName=%5" )
|
| 2648 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2649 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2650 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2651 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ) |
| 2652 |
.arg( QgsMssqlProvider::quotedValue( styleName.isEmpty() ? dsUri.table() : styleName ) ); |
| 2653 |
|
| 2654 |
if ( !LoggedExecMetadata( query, checkQuery, uri ) )
|
| 2655 |
{
|
| 2656 |
QgsDebugError( query.lastError().text() ); |
| 2657 |
QgsDebugError( QStringLiteral( "Check Query failed" ) );
|
| 2658 |
return false; |
| 2659 |
} |
| 2660 |
if ( query.isActive() && query.next() && query.value( 0 ).toString() == styleName ) |
| 2661 |
{
|
| 2662 |
QgsDebugMsgLevel( QStringLiteral( "Updating styles" ), 2 ); |
| 2663 |
sql = QString( "UPDATE layer_styles "
|
| 2664 |
" SET useAsDefault=%1"
|
| 2665 |
",styleQML=%2"
|
| 2666 |
",styleSLD=%3"
|
| 2667 |
",description=%4"
|
| 2668 |
",owner=%5"
|
| 2669 |
" WHERE f_table_catalog=%6"
|
| 2670 |
" AND f_table_schema=%7"
|
| 2671 |
" AND f_table_name=%8"
|
| 2672 |
" AND f_geometry_column=%9"
|
| 2673 |
" AND styleName=%10" )
|
| 2674 |
.arg( useAsDefault ? QStringLiteral( "1" ) : QStringLiteral( "0" ) ) |
| 2675 |
.arg( QgsMssqlProvider::quotedValue( qmlStyle ) ) |
| 2676 |
.arg( QgsMssqlProvider::quotedValue( sldStyle ) ) |
| 2677 |
.arg( QgsMssqlProvider::quotedValue( styleDescription.isEmpty() ? QDateTime::currentDateTime().toString() : styleDescription ) ) |
| 2678 |
.arg( QgsMssqlProvider::quotedValue( dsUri.username() ) ) |
| 2679 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2680 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2681 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2682 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ) |
| 2683 |
.arg( QgsMssqlProvider::quotedValue( styleName.isEmpty() ? dsUri.table() : styleName ) ); |
| 2684 |
} |
| 2685 |
if ( useAsDefault )
|
| 2686 |
{
|
| 2687 |
const QString removeDefaultSql = QString( "UPDATE layer_styles " |
| 2688 |
" SET useAsDefault=0"
|
| 2689 |
" WHERE f_table_catalog=%1"
|
| 2690 |
" AND f_table_schema=%2"
|
| 2691 |
" AND f_table_name=%3"
|
| 2692 |
" AND f_geometry_column=%4" )
|
| 2693 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2694 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2695 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2696 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ); |
| 2697 |
sql = QStringLiteral( "%1; %2;" ).arg( removeDefaultSql, sql );
|
| 2698 |
} |
| 2699 |
|
| 2700 |
QgsDebugMsgLevel( QStringLiteral( "Inserting styles" ), 2 ); |
| 2701 |
QgsDebugMsgLevel( sql, 2 );
|
| 2702 |
|
| 2703 |
const bool execOk = LoggedExecMetadata( query, sql, uri ); |
| 2704 |
|
| 2705 |
if ( !execOk )
|
| 2706 |
{
|
| 2707 |
errCause = QObject::tr( "Unable to save layer style. It's not possible to insert a new record into the style table. Maybe this is due to table permissions. Please contact your database administrator." );
|
| 2708 |
} |
| 2709 |
return execOk;
|
| 2710 |
} |
| 2711 |
|
| 2712 |
QString QgsMssqlProviderMetadata::loadStyle( const QString &uri, QString &errCause )
|
| 2713 |
{
|
| 2714 |
QString styleName; |
| 2715 |
return loadStoredStyle( uri, styleName, errCause );
|
| 2716 |
} |
| 2717 |
|
| 2718 |
QString QgsMssqlProviderMetadata::loadStoredStyle( const QString &uri, QString &styleName, QString &errCause )
|
| 2719 |
{
|
| 2720 |
errCause.clear(); |
| 2721 |
const QgsDataSourceUri dsUri( uri );
|
| 2722 |
// connect to database
|
| 2723 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2724 |
|
| 2725 |
if ( !db->isValid() )
|
| 2726 |
{
|
| 2727 |
QgsDebugError( QStringLiteral( "Error connecting to database" ) );
|
| 2728 |
QgsDebugError( db->errorText() ); |
| 2729 |
errCause = tr( "Cannot connect to database: %1" ).arg( db->errorText() );
|
| 2730 |
return QString();
|
| 2731 |
} |
| 2732 |
|
| 2733 |
QSqlQuery query = QSqlQuery( db->db() ); |
| 2734 |
|
| 2735 |
query.setForwardOnly( true );
|
| 2736 |
|
| 2737 |
const QString sql { QStringLiteral( "SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME= N'layer_styles'" ) }; |
| 2738 |
|
| 2739 |
if ( !LoggedExecMetadata( query, sql, uri ) )
|
| 2740 |
{
|
| 2741 |
errCause = tr( "Could not check if layer_styles table exists: %1" ).arg( query.lastError().text() );
|
| 2742 |
return QString();
|
| 2743 |
} |
| 2744 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == 0 ) |
| 2745 |
{
|
| 2746 |
// no layer_styles table
|
| 2747 |
errCause = tr( "Style does not exist" );
|
| 2748 |
query.finish(); |
| 2749 |
return QString();
|
| 2750 |
} |
| 2751 |
|
| 2752 |
query.clear(); |
| 2753 |
query.setForwardOnly( true );
|
| 2754 |
|
| 2755 |
const QString selectQmlQuery = QString( "SELECT top 1 styleName, styleQML" |
| 2756 |
" FROM layer_styles"
|
| 2757 |
" WHERE f_table_catalog=%1"
|
| 2758 |
" AND f_table_schema=%2"
|
| 2759 |
" AND f_table_name=%3"
|
| 2760 |
" AND f_geometry_column=%4"
|
| 2761 |
" ORDER BY useAsDefault desc" )
|
| 2762 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2763 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2764 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2765 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ); |
| 2766 |
|
| 2767 |
if ( !LoggedExecMetadata( query, selectQmlQuery, uri ) )
|
| 2768 |
{
|
| 2769 |
QgsDebugMsgLevel( QStringLiteral( "Load of style failed" ), 2 ); |
| 2770 |
const QString msg = query.lastError().text();
|
| 2771 |
errCause = msg; |
| 2772 |
QgsDebugError( msg ); |
| 2773 |
return QString();
|
| 2774 |
} |
| 2775 |
if ( query.isActive() && query.next() )
|
| 2776 |
{
|
| 2777 |
styleName = query.value( 0 ).toString();
|
| 2778 |
const QString style = query.value( 1 ).toString(); |
| 2779 |
return style;
|
| 2780 |
} |
| 2781 |
return QString();
|
| 2782 |
} |
| 2783 |
|
| 2784 |
int QgsMssqlProviderMetadata::listStyles( const QString &uri, QStringList &ids, QStringList &names, QStringList &descriptions, QString &errCause ) |
| 2785 |
{
|
| 2786 |
const QgsDataSourceUri dsUri( uri );
|
| 2787 |
// connect to database
|
| 2788 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2789 |
|
| 2790 |
if ( !db->isValid() )
|
| 2791 |
{
|
| 2792 |
QgsDebugError( QStringLiteral( "Error connecting to database" ) );
|
| 2793 |
QgsDebugError( db->errorText() ); |
| 2794 |
return -1; |
| 2795 |
} |
| 2796 |
|
| 2797 |
QSqlQuery query = QSqlQuery( db->db() ); |
| 2798 |
query.setForwardOnly( true );
|
| 2799 |
|
| 2800 |
QString sql { QStringLiteral( "SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME= N'layer_styles'" ) };
|
| 2801 |
|
| 2802 |
// check if layer_styles table already exist
|
| 2803 |
if ( !LoggedExecMetadata( query, sql, uri ) )
|
| 2804 |
{
|
| 2805 |
const QString msg = query.lastError().text();
|
| 2806 |
errCause = msg; |
| 2807 |
QgsDebugError( msg ); |
| 2808 |
return -1; |
| 2809 |
} |
| 2810 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == 0 ) |
| 2811 |
{
|
| 2812 |
QgsDebugMsgLevel( QStringLiteral( "No styles available on DB" ), 2 ); |
| 2813 |
return -1; |
| 2814 |
} |
| 2815 |
|
| 2816 |
const QString selectRelatedQuery = QString( "SELECT id,styleName,description" |
| 2817 |
" FROM layer_styles "
|
| 2818 |
" WHERE f_table_catalog=%1"
|
| 2819 |
" AND f_table_schema=%2"
|
| 2820 |
" AND f_table_name=%3"
|
| 2821 |
" AND f_geometry_column=%4"
|
| 2822 |
" ORDER BY useasdefault DESC, update_time DESC" )
|
| 2823 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2824 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2825 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2826 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ); |
| 2827 |
|
| 2828 |
|
| 2829 |
bool queryOk = LoggedExecMetadata( query, selectRelatedQuery, uri );
|
| 2830 |
if ( !queryOk )
|
| 2831 |
{
|
| 2832 |
QgsDebugError( query.lastError().text() ); |
| 2833 |
return -1; |
| 2834 |
} |
| 2835 |
int numberOfRelatedStyles = 0; |
| 2836 |
while ( query.isActive() && query.next() )
|
| 2837 |
{
|
| 2838 |
QgsDebugMsgLevel( query.value( 1 ).toString(), 2 ); |
| 2839 |
ids.append( query.value( 0 ).toString() );
|
| 2840 |
names.append( query.value( 1 ).toString() );
|
| 2841 |
descriptions.append( query.value( 2 ).toString() );
|
| 2842 |
numberOfRelatedStyles = numberOfRelatedStyles + 1;
|
| 2843 |
} |
| 2844 |
const QString selectOthersQuery = QString( "SELECT id,styleName,description" |
| 2845 |
" FROM layer_styles "
|
| 2846 |
" WHERE NOT (f_table_catalog=%1 AND f_table_schema=%2 AND f_table_name=%3 AND f_geometry_column=%4)"
|
| 2847 |
" ORDER BY update_time DESC" )
|
| 2848 |
.arg( QgsMssqlProvider::quotedValue( dsUri.database() ) ) |
| 2849 |
.arg( QgsMssqlProvider::quotedValue( dsUri.schema() ) ) |
| 2850 |
.arg( QgsMssqlProvider::quotedValue( dsUri.table() ) ) |
| 2851 |
.arg( QgsMssqlProvider::quotedValue( dsUri.geometryColumn() ) ); |
| 2852 |
QgsDebugMsgLevel( selectOthersQuery, 2 );
|
| 2853 |
|
| 2854 |
queryOk = LoggedExecMetadata( query, selectOthersQuery, uri ); |
| 2855 |
if ( !queryOk )
|
| 2856 |
{
|
| 2857 |
QgsDebugError( query.lastError().text() ); |
| 2858 |
return -1; |
| 2859 |
} |
| 2860 |
while ( query.next() )
|
| 2861 |
{
|
| 2862 |
ids.append( query.value( 0 ).toString() );
|
| 2863 |
names.append( query.value( 1 ).toString() );
|
| 2864 |
descriptions.append( query.value( 2 ).toString() );
|
| 2865 |
} |
| 2866 |
return numberOfRelatedStyles;
|
| 2867 |
} |
| 2868 |
|
| 2869 |
QgsMssqlProviderMetadata::QgsMssqlProviderMetadata() |
| 2870 |
: QgsProviderMetadata( QgsMssqlProvider::MSSQL_PROVIDER_KEY, QgsMssqlProvider::MSSQL_PROVIDER_DESCRIPTION ) |
| 2871 |
{
|
| 2872 |
} |
| 2873 |
|
| 2874 |
QIcon QgsMssqlProviderMetadata::icon() const
|
| 2875 |
{
|
| 2876 |
return QgsApplication::getThemeIcon( QStringLiteral( "mIconMssql.svg" ) ); |
| 2877 |
} |
| 2878 |
|
| 2879 |
QString QgsMssqlProviderMetadata::getStyleById( const QString &uri, const QString &styleId, QString &errCause ) |
| 2880 |
{
|
| 2881 |
const QgsDataSourceUri dsUri( uri );
|
| 2882 |
// connect to database
|
| 2883 |
std::shared_ptr<QgsMssqlDatabase> db = QgsMssqlDatabase::connectDb( dsUri.service(), dsUri.host(), dsUri.database(), dsUri.username(), dsUri.password() ); |
| 2884 |
|
| 2885 |
if ( !db->isValid() )
|
| 2886 |
{
|
| 2887 |
QgsDebugError( QStringLiteral( "Error connecting to database" ) );
|
| 2888 |
QgsDebugError( db->errorText() ); |
| 2889 |
errCause = tr( "Cannot connect to database: %1" ).arg( db->errorText() );
|
| 2890 |
return QString();
|
| 2891 |
} |
| 2892 |
|
| 2893 |
QSqlQuery query = QSqlQuery( db->db() ); |
| 2894 |
query.setForwardOnly( true );
|
| 2895 |
|
| 2896 |
const QString sql { QStringLiteral( "SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME= N'layer_styles'" ) }; |
| 2897 |
|
| 2898 |
if ( !LoggedExecMetadata( query, sql, uri ) )
|
| 2899 |
{
|
| 2900 |
errCause = tr( "Could not check if layer_styles table exists: %1" ).arg( query.lastError().text() );
|
| 2901 |
return QString();
|
| 2902 |
} |
| 2903 |
if ( query.isActive() && query.next() && query.value( 0 ).toInt() == 0 ) |
| 2904 |
{
|
| 2905 |
// no layer_styles table
|
| 2906 |
errCause = tr( "Style does not exist" );
|
| 2907 |
query.finish(); |
| 2908 |
return QString();
|
| 2909 |
} |
| 2910 |
|
| 2911 |
query.clear(); |
| 2912 |
query.setForwardOnly( true );
|
| 2913 |
|
| 2914 |
QString style; |
| 2915 |
const QString selectQmlQuery = QStringLiteral( "SELECT styleQml FROM layer_styles WHERE id=%1" ).arg( QgsMssqlProvider::quotedValue( styleId ) ); |
| 2916 |
|
| 2917 |
const bool queryOk = LoggedExecMetadata( query, selectQmlQuery, uri ); |
| 2918 |
if ( !queryOk )
|
| 2919 |
{
|
| 2920 |
QgsDebugError( query.lastError().text() ); |
| 2921 |
errCause = query.lastError().text(); |
| 2922 |
return QString();
|
| 2923 |
} |
| 2924 |
if ( !query.next() )
|
| 2925 |
{
|
| 2926 |
errCause = tr( "Style does not exist" );
|
| 2927 |
} |
| 2928 |
else
|
| 2929 |
{
|
| 2930 |
style = query.value( 0 ).toString();
|
| 2931 |
} |
| 2932 |
return style;
|
| 2933 |
} |
| 2934 |
|
| 2935 |
QVariantMap QgsMssqlProviderMetadata::decodeUri( const QString &uri ) const |
| 2936 |
{
|
| 2937 |
const QgsDataSourceUri dsUri { uri };
|
| 2938 |
QVariantMap uriParts; |
| 2939 |
|
| 2940 |
if ( !dsUri.database().isEmpty() )
|
| 2941 |
uriParts[QStringLiteral( "dbname" )] = dsUri.database();
|
| 2942 |
if ( !dsUri.host().isEmpty() )
|
| 2943 |
uriParts[QStringLiteral( "host" )] = dsUri.host();
|
| 2944 |
if ( !dsUri.port().isEmpty() )
|
| 2945 |
uriParts[QStringLiteral( "port" )] = dsUri.port();
|
| 2946 |
if ( !dsUri.service().isEmpty() )
|
| 2947 |
uriParts[QStringLiteral( "service" )] = dsUri.service();
|
| 2948 |
if ( !dsUri.username().isEmpty() )
|
| 2949 |
uriParts[QStringLiteral( "username" )] = dsUri.username();
|
| 2950 |
if ( !dsUri.password().isEmpty() )
|
| 2951 |
uriParts[QStringLiteral( "password" )] = dsUri.password();
|
| 2952 |
|
| 2953 |
// Supported?
|
| 2954 |
//if ( ! dsUri.authConfigId().isEmpty() )
|
| 2955 |
// uriParts[ QStringLiteral( "authcfg" ) ] = dsUri.authConfigId();
|
| 2956 |
|
| 2957 |
if ( dsUri.wkbType() != Qgis::WkbType::Unknown )
|
| 2958 |
uriParts[QStringLiteral( "type" )] = static_cast<quint32>( dsUri.wkbType() ); |
| 2959 |
|
| 2960 |
// Supported?
|
| 2961 |
// uriParts[ QStringLiteral( "selectatid" ) ] = dsUri.selectAtIdDisabled();
|
| 2962 |
|
| 2963 |
if ( !dsUri.table().isEmpty() )
|
| 2964 |
uriParts[QStringLiteral( "table" )] = dsUri.table();
|
| 2965 |
if ( !dsUri.schema().isEmpty() )
|
| 2966 |
uriParts[QStringLiteral( "schema" )] = dsUri.schema();
|
| 2967 |
if ( !dsUri.keyColumn().isEmpty() )
|
| 2968 |
uriParts[QStringLiteral( "key" )] = dsUri.keyColumn();
|
| 2969 |
if ( !dsUri.srid().isEmpty() )
|
| 2970 |
uriParts[QStringLiteral( "srid" )] = dsUri.srid();
|
| 2971 |
|
| 2972 |
uriParts[QStringLiteral( "estimatedmetadata" )] = dsUri.useEstimatedMetadata();
|
| 2973 |
|
| 2974 |
// is this supported?
|
| 2975 |
// uriParts[ QStringLiteral( "sslmode" ) ] = dsUri.sslMode();
|
| 2976 |
|
| 2977 |
if ( !dsUri.sql().isEmpty() )
|
| 2978 |
uriParts[QStringLiteral( "sql" )] = dsUri.sql();
|
| 2979 |
if ( !dsUri.geometryColumn().isEmpty() )
|
| 2980 |
uriParts[QStringLiteral( "geometrycolumn" )] = dsUri.geometryColumn();
|
| 2981 |
|
| 2982 |
// From configuration
|
| 2983 |
static const QStringList configurationParameters { |
| 2984 |
QStringLiteral( "geometryColumnsOnly" ),
|
| 2985 |
QStringLiteral( "allowGeometrylessTables" ),
|
| 2986 |
QStringLiteral( "saveUsername" ),
|
| 2987 |
QStringLiteral( "savePassword" ),
|
| 2988 |
QStringLiteral( "estimatedMetadata" ),
|
| 2989 |
QStringLiteral( "disableInvalidGeometryHandling" ),
|
| 2990 |
QStringLiteral( "extentInGeometryColumns" ),
|
| 2991 |
QStringLiteral( "primaryKeyInGeometryColumns" )
|
| 2992 |
}; |
| 2993 |
|
| 2994 |
for ( const auto &configParam : configurationParameters ) |
| 2995 |
{
|
| 2996 |
if ( dsUri.hasParam( configParam ) )
|
| 2997 |
{
|
| 2998 |
uriParts[configParam] = dsUri.param( configParam ); |
| 2999 |
} |
| 3000 |
} |
| 3001 |
|
| 3002 |
return uriParts;
|
| 3003 |
} |
| 3004 |
|
| 3005 |
QString QgsMssqlProviderMetadata::encodeUri( const QVariantMap &parts ) const |
| 3006 |
{
|
| 3007 |
QgsDataSourceUri dsUri; |
| 3008 |
if ( parts.contains( QStringLiteral( "dbname" ) ) ) |
| 3009 |
dsUri.setDatabase( parts.value( QStringLiteral( "dbname" ) ).toString() );
|
| 3010 |
// Also accepts "database"
|
| 3011 |
if ( parts.contains( QStringLiteral( "database" ) ) ) |
| 3012 |
dsUri.setDatabase( parts.value( QStringLiteral( "database" ) ).toString() );
|
| 3013 |
// Supported?
|
| 3014 |
//if ( parts.contains( QStringLiteral( "port" ) ) )
|
| 3015 |
// dsUri.setParam( QStringLiteral( "port" ), parts.value( QStringLiteral( "port" ) ).toString() );
|
| 3016 |
if ( parts.contains( QStringLiteral( "host" ) ) ) |
| 3017 |
dsUri.setParam( QStringLiteral( "host" ), parts.value( QStringLiteral( "host" ) ).toString() ); |
| 3018 |
if ( parts.contains( QStringLiteral( "service" ) ) ) |
| 3019 |
dsUri.setParam( QStringLiteral( "service" ), parts.value( QStringLiteral( "service" ) ).toString() ); |
| 3020 |
if ( parts.contains( QStringLiteral( "username" ) ) ) |
| 3021 |
dsUri.setUsername( parts.value( QStringLiteral( "username" ) ).toString() );
|
| 3022 |
if ( parts.contains( QStringLiteral( "password" ) ) ) |
| 3023 |
dsUri.setPassword( parts.value( QStringLiteral( "password" ) ).toString() );
|
| 3024 |
// Supported?
|
| 3025 |
//if ( parts.contains( QStringLiteral( "authcfg" ) ) )
|
| 3026 |
// dsUri.setAuthConfigId( parts.value( QStringLiteral( "authcfg" ) ).toString() );
|
| 3027 |
if ( parts.contains( QStringLiteral( "type" ) ) ) |
| 3028 |
dsUri.setParam( QStringLiteral( "type" ), QgsWkbTypes::displayString( static_cast<Qgis::WkbType>( parts.value( QStringLiteral( "type" ) ).toInt() ) ) ); |
| 3029 |
// Supported?
|
| 3030 |
//if ( parts.contains( QStringLiteral( "selectatid" ) ) )
|
| 3031 |
// dsUri.setParam( QStringLiteral( "selectatid" ), parts.value( QStringLiteral( "selectatid" ) ).toString() );
|
| 3032 |
if ( parts.contains( QStringLiteral( "table" ) ) ) |
| 3033 |
dsUri.setTable( parts.value( QStringLiteral( "table" ) ).toString() );
|
| 3034 |
if ( parts.contains( QStringLiteral( "schema" ) ) ) |
| 3035 |
dsUri.setSchema( parts.value( QStringLiteral( "schema" ) ).toString() );
|
| 3036 |
if ( parts.contains( QStringLiteral( "key" ) ) ) |
| 3037 |
dsUri.setParam( QStringLiteral( "key" ), parts.value( QStringLiteral( "key" ) ).toString() ); |
| 3038 |
if ( parts.contains( QStringLiteral( "srid" ) ) ) |
| 3039 |
dsUri.setSrid( parts.value( QStringLiteral( "srid" ) ).toString() );
|
| 3040 |
if ( parts.contains( QStringLiteral( "estimatedmetadata" ) ) ) |
| 3041 |
dsUri.setParam( QStringLiteral( "estimatedmetadata" ), parts.value( QStringLiteral( "estimatedmetadata" ) ).toString() ); |
| 3042 |
// Supported?
|
| 3043 |
//if ( parts.contains( QStringLiteral( "sslmode" ) ) )
|
| 3044 |
// dsUri.setParam( QStringLiteral( "sslmode" ), QgsDataSourceUri::encodeSslMode( static_cast<QgsDataSourceUri::SslMode>( parts.value( QStringLiteral( "sslmode" ) ).toInt( ) ) ) );
|
| 3045 |
if ( parts.contains( QStringLiteral( "sql" ) ) ) |
| 3046 |
dsUri.setSql( parts.value( QStringLiteral( "sql" ) ).toString() );
|
| 3047 |
// Supported?
|
| 3048 |
//if ( parts.contains( QStringLiteral( "checkPrimaryKeyUnicity" ) ) )
|
| 3049 |
// dsUri.setParam( QStringLiteral( "checkPrimaryKeyUnicity" ), parts.value( QStringLiteral( "checkPrimaryKeyUnicity" ) ).toString() );
|
| 3050 |
if ( parts.contains( QStringLiteral( "geometrycolumn" ) ) ) |
| 3051 |
dsUri.setGeometryColumn( parts.value( QStringLiteral( "geometrycolumn" ) ).toString() );
|
| 3052 |
if ( parts.contains( QStringLiteral( "disableInvalidGeometryHandling" ) ) ) |
| 3053 |
dsUri.setParam( QStringLiteral( "disableInvalidGeometryHandling" ), parts.value( QStringLiteral( "disableInvalidGeometryHandling" ) ).toString() ); |
| 3054 |
if ( parts.contains( QStringLiteral( "allowGeometrylessTables" ) ) ) |
| 3055 |
dsUri.setParam( QStringLiteral( "allowGeometrylessTables" ), parts.value( QStringLiteral( "allowGeometrylessTables" ) ).toString() ); |
| 3056 |
if ( parts.contains( QStringLiteral( "geometryColumnsOnly" ) ) ) |
| 3057 |
dsUri.setParam( QStringLiteral( "geometryColumnsOnly" ), parts.value( QStringLiteral( "geometryColumnsOnly" ) ).toString() ); |
| 3058 |
if ( parts.contains( QStringLiteral( "extentInGeometryColumns" ) ) ) |
| 3059 |
dsUri.setParam( QStringLiteral( "extentInGeometryColumns" ), parts.value( QStringLiteral( "extentInGeometryColumns" ) ).toString() ); |
| 3060 |
if ( parts.contains( QStringLiteral( "primaryKeyInGeometryColumns" ) ) ) |
| 3061 |
dsUri.setParam( QStringLiteral( "primaryKeyInGeometryColumns" ), parts.value( QStringLiteral( "primaryKeyInGeometryColumns" ) ).toString() ); |
| 3062 |
return dsUri.uri();
|
| 3063 |
} |
| 3064 |
|
| 3065 |
QList<Qgis::LayerType> QgsMssqlProviderMetadata::supportedLayerTypes() const
|
| 3066 |
{
|
| 3067 |
return { Qgis::LayerType::Vector };
|
| 3068 |
} |
| 3069 |
|
| 3070 |
QString QgsMssqlProvider::typeFromMetadata( const QString &typeName, int numCoords ) |
| 3071 |
{
|
| 3072 |
QString type { typeName };
|
| 3073 |
const bool hasM { typeName.endsWith( 'M', Qt::CaseInsensitive ) }; |
| 3074 |
if ( numCoords == 4 ) |
| 3075 |
{
|
| 3076 |
if ( hasM )
|
| 3077 |
{
|
| 3078 |
type.chop( 1 );
|
| 3079 |
} |
| 3080 |
type.append( QStringLiteral( "ZM" ) );
|
| 3081 |
} |
| 3082 |
else if ( numCoords == 3 ) |
| 3083 |
{
|
| 3084 |
if ( !hasM )
|
| 3085 |
{
|
| 3086 |
type.append( QStringLiteral( "Z" ) );
|
| 3087 |
} |
| 3088 |
} |
| 3089 |
return type;
|
| 3090 |
} |
| 3091 |
|
| 3092 |
bool QgsMssqlProviderMetadata::execLogged( QSqlQuery &qry, const QString &sql, const QString &uri, const QString &queryOrigin ) const |
| 3093 |
{
|
| 3094 |
QgsDatabaseQueryLogWrapper logWrapper { sql, uri, QStringLiteral( "mssql" ), QStringLiteral( "QgsMssqlProviderMetadata" ), queryOrigin };
|
| 3095 |
const bool res { qry.exec( sql ) }; |
| 3096 |
if ( !res )
|
| 3097 |
{
|
| 3098 |
logWrapper.setError( qry.lastError().text() ); |
| 3099 |
} |
| 3100 |
else
|
| 3101 |
{
|
| 3102 |
if ( qry.isSelect() )
|
| 3103 |
{
|
| 3104 |
logWrapper.setFetchedRows( qry.size() ); |
| 3105 |
} |
| 3106 |
else
|
| 3107 |
{
|
| 3108 |
logWrapper.setFetchedRows( qry.numRowsAffected() ); |
| 3109 |
} |
| 3110 |
} |
| 3111 |
logWrapper.setQuery( qry.lastQuery() ); |
| 3112 |
return res;
|
| 3113 |
} |
| 3114 |
|
| 3115 |
QGISEXTERN QgsProviderMetadata *providerMetadataFactory() |
| 3116 |
{
|
| 3117 |
return new QgsMssqlProviderMetadata(); |
| 3118 |
} |
| 3119 |
|
| 3120 |
// ----------
|
| 3121 |
|
| 3122 |
QgsFeatureId QgsMssqlSharedData::lookupFid( const QVariantList &v )
|
| 3123 |
{
|
| 3124 |
const QMutexLocker locker( &mMutex );
|
| 3125 |
|
| 3126 |
const QMap<QVariantList, QgsFeatureId>::const_iterator it = mKeyToFid.constFind( v );
|
| 3127 |
|
| 3128 |
if ( it != mKeyToFid.constEnd() )
|
| 3129 |
{
|
| 3130 |
return it.value();
|
| 3131 |
} |
| 3132 |
|
| 3133 |
mFidToKey.insert( ++mFidCounter, v ); |
| 3134 |
mKeyToFid.insert( v, mFidCounter ); |
| 3135 |
|
| 3136 |
return mFidCounter;
|
| 3137 |
} |
| 3138 |
|
| 3139 |
QVariant QgsMssqlSharedData::removeFid( QgsFeatureId fid ) |
| 3140 |
{
|
| 3141 |
const QMutexLocker locker( &mMutex );
|
| 3142 |
|
| 3143 |
const QVariantList v = mFidToKey[fid];
|
| 3144 |
mFidToKey.remove( fid ); |
| 3145 |
mKeyToFid.remove( v ); |
| 3146 |
return v;
|
| 3147 |
} |
| 3148 |
|
| 3149 |
void QgsMssqlSharedData::insertFid( QgsFeatureId fid, const QVariantList &k ) |
| 3150 |
{
|
| 3151 |
const QMutexLocker locker( &mMutex );
|
| 3152 |
|
| 3153 |
mFidToKey.insert( fid, k ); |
| 3154 |
mKeyToFid.insert( k, fid ); |
| 3155 |
} |
| 3156 |
|
| 3157 |
QVariantList QgsMssqlSharedData::lookupKey( QgsFeatureId featureId ) |
| 3158 |
{
|
| 3159 |
const QMutexLocker locker( &mMutex );
|
| 3160 |
|
| 3161 |
const QMap<QgsFeatureId, QVariantList>::const_iterator it = mFidToKey.find( featureId );
|
| 3162 |
if ( it != mFidToKey.constEnd() )
|
| 3163 |
return it.value();
|
| 3164 |
return QVariantList();
|
| 3165 |
} |
| 3166 |
|
| 3167 |
QString QgsMssqlProvider::whereClauseFid( QgsFeatureId featureId ) |
| 3168 |
{
|
| 3169 |
QString whereClause; |
| 3170 |
|
| 3171 |
switch ( mPrimaryKeyType )
|
| 3172 |
{
|
| 3173 |
case PktInt:
|
| 3174 |
Q_ASSERT( mPrimaryKeyAttrs.size() == 1 );
|
| 3175 |
whereClause = QStringLiteral( "[%1]=%2" ).arg( mAttributeFields.at( mPrimaryKeyAttrs[0] ).name(), FID_TO_STRING( featureId ) ); |
| 3176 |
break;
|
| 3177 |
|
| 3178 |
case PktFidMap:
|
| 3179 |
{
|
| 3180 |
const QVariantList &pkVals = mShared->lookupKey( featureId );
|
| 3181 |
if ( !pkVals.isEmpty() )
|
| 3182 |
{
|
| 3183 |
Q_ASSERT( pkVals.size() == mPrimaryKeyAttrs.size() ); |
| 3184 |
|
| 3185 |
whereClause = QStringLiteral( "(" );
|
| 3186 |
|
| 3187 |
QString delim; |
| 3188 |
for ( int i = 0; i < mPrimaryKeyAttrs.size(); ++i ) |
| 3189 |
{
|
| 3190 |
const QgsField &fld = mAttributeFields.at( mPrimaryKeyAttrs[i] );
|
| 3191 |
whereClause += QStringLiteral( "%1[%2]=%3" ).arg( delim, fld.name(), quotedValue( pkVals[i] ) );
|
| 3192 |
delim = QStringLiteral( " AND " );
|
| 3193 |
} |
| 3194 |
|
| 3195 |
whereClause += QLatin1Char( ')' );
|
| 3196 |
} |
| 3197 |
else
|
| 3198 |
{
|
| 3199 |
QgsDebugError( QStringLiteral( "FAILURE: Key values for feature %1 not found." ).arg( featureId ) );
|
| 3200 |
whereClause = QStringLiteral( "NULL IS NOT NULL" );
|
| 3201 |
} |
| 3202 |
} |
| 3203 |
break;
|
| 3204 |
|
| 3205 |
default:
|
| 3206 |
Q_ASSERT( !"FAILURE: Primary key unknown" );
|
| 3207 |
whereClause = QStringLiteral( "NULL IS NOT NULL" );
|
| 3208 |
break;
|
| 3209 |
} |
| 3210 |
|
| 3211 |
return whereClause;
|
| 3212 |
} |
| 3213 |
|
| 3214 |
/* static */
|
| 3215 |
QStringList QgsMssqlProvider::parseUriKey( const QString &key )
|
| 3216 |
{
|
| 3217 |
if ( key.isEmpty() )
|
| 3218 |
return QStringList();
|
| 3219 |
|
| 3220 |
QStringList cols; |
| 3221 |
|
| 3222 |
// remove quotes from key list
|
| 3223 |
if ( key.startsWith( '"' ) && key.endsWith( '"' ) ) |
| 3224 |
{
|
| 3225 |
int i = 1; |
| 3226 |
QString col; |
| 3227 |
while ( i < key.size() )
|
| 3228 |
{
|
| 3229 |
if ( key[i] == '"' ) |
| 3230 |
{
|
| 3231 |
if ( i + 1 < key.size() && key[i + 1] == '"' ) |
| 3232 |
{
|
| 3233 |
i++; |
| 3234 |
} |
| 3235 |
else
|
| 3236 |
{
|
| 3237 |
cols << col; |
| 3238 |
col.clear(); |
| 3239 |
|
| 3240 |
if ( ++i == key.size() )
|
| 3241 |
break;
|
| 3242 |
|
| 3243 |
Q_ASSERT( key[i] == ',' );
|
| 3244 |
i++; |
| 3245 |
Q_ASSERT( key[i] == '"' );
|
| 3246 |
i++; |
| 3247 |
col.clear(); |
| 3248 |
continue;
|
| 3249 |
} |
| 3250 |
} |
| 3251 |
|
| 3252 |
col += key[i++]; |
| 3253 |
} |
| 3254 |
} |
| 3255 |
else if ( key.contains( ',' ) ) |
| 3256 |
{
|
| 3257 |
cols = key.split( ',' );
|
| 3258 |
} |
| 3259 |
else
|
| 3260 |
{
|
| 3261 |
cols << key; |
| 3262 |
} |
| 3263 |
|
| 3264 |
return cols;
|
| 3265 |
} |
| 3266 |
|
| 3267 |
bool QgsMssqlProvider::getExtentFromGeometryColumns( QgsRectangle &extent ) const |
| 3268 |
{
|
| 3269 |
QSqlQuery query = createQuery(); |
| 3270 |
query.setForwardOnly( true );
|
| 3271 |
|
| 3272 |
const QString sql = QStringLiteral( "SELECT qgis_xmin,qgis_xmax,qgis_ymin,qgis_ymax " |
| 3273 |
"FROM geometry_columns WHERE f_table_name = %1 AND f_table_schema = %2 "
|
| 3274 |
"AND NOT (qgis_xmin IS NULL OR qgis_xmax IS NULL OR qgis_ymin IS NULL OR qgis_ymax IS NULL)" );
|
| 3275 |
|
| 3276 |
const QString statement = sql.arg( quotedValue( mTableName ), quotedValue( mSchemaName ) );
|
| 3277 |
|
| 3278 |
if ( LoggedExec( query, statement ) && query.isActive() )
|
| 3279 |
{
|
| 3280 |
query.next(); |
| 3281 |
if ( query.isValid() )
|
| 3282 |
{
|
| 3283 |
extent.setXMinimum( query.value( 0 ).toDouble() );
|
| 3284 |
extent.setXMaximum( query.value( 1 ).toDouble() );
|
| 3285 |
extent.setYMinimum( query.value( 2 ).toDouble() );
|
| 3286 |
extent.setYMaximum( query.value( 3 ).toDouble() );
|
| 3287 |
|
| 3288 |
return true; |
| 3289 |
} |
| 3290 |
} |
| 3291 |
|
| 3292 |
return false; |
| 3293 |
} |
| 3294 |
|
| 3295 |
bool QgsMssqlProvider::getPrimaryKeyFromGeometryColumns( QStringList &primaryKeys )
|
| 3296 |
{
|
| 3297 |
QSqlQuery query = createQuery(); |
| 3298 |
query.setForwardOnly( true );
|
| 3299 |
primaryKeys.clear(); |
| 3300 |
|
| 3301 |
const QString sql = QStringLiteral( "SELECT qgis_pkey FROM geometry_columns " |
| 3302 |
"WHERE f_table_name = %1 AND f_table_schema = %2 AND NOT qgis_pkey IS NULL" );
|
| 3303 |
const QString statement = sql.arg( quotedValue( mTableName ), quotedValue( mSchemaName ) );
|
| 3304 |
|
| 3305 |
if ( LoggedExec( query, statement ) && query.isActive() )
|
| 3306 |
{
|
| 3307 |
query.next(); |
| 3308 |
if ( query.isValid() )
|
| 3309 |
{
|
| 3310 |
primaryKeys = query.value( 0 ).toString().split( ',' ); |
| 3311 |
if ( !primaryKeys.isEmpty() )
|
| 3312 |
return true; |
| 3313 |
} |
| 3314 |
} |
| 3315 |
|
| 3316 |
return false; |
| 3317 |
} |