Also fix quotedValue in OGR, Oracle, Spatialite compilers

Author: nyalldawson

src/providers/ogr/qgsogrexpressioncompiler.cpp

@@ -92,7 +92,8 @@ QString QgsOgrExpressionCompiler::quotedIdentifier( const QString& identifier )
   return mSource->mProvider->quotedIdentifier( identifier.toUtf8() );
 }
 
-QString QgsOgrExpressionCompiler::quotedValue( const QVariant& value, bool& )
+QString QgsOgrExpressionCompiler::quotedValue( const QVariant& value, bool& ok )
 {
+  ok = true;
   return QgsOgrUtils::quotedValue( value );
 }

src/providers/oracle/qgsoracleexpressioncompiler.cpp

@@ -67,7 +67,8 @@ QString QgsOracleExpressionCompiler::quotedIdentifier( const QString& identifier
   return QgsOracleConn::quotedIdentifier( identifier );
 }
 
-QString QgsOracleExpressionCompiler::quotedValue( const QVariant& value, bool& )
+QString QgsOracleExpressionCompiler::quotedValue( const QVariant& value, bool& ok )
 {
+  ok = true;
   return QgsOracleConn::quotedValue( value );
 }

src/providers/spatialite/qgsspatialiteexpressioncompiler.cpp

@@ -52,8 +52,10 @@ QString QgsSpatiaLiteExpressionCompiler::quotedIdentifier( const QString& identi
   return QgsSpatiaLiteProvider::quotedIdentifier( identifier );
 }
 
-QString QgsSpatiaLiteExpressionCompiler::quotedValue( const QVariant& value, bool& )
+QString QgsSpatiaLiteExpressionCompiler::quotedValue( const QVariant& value, bool& ok )
 {
+  ok = true;
+
   if ( value.isNull() )
     return "NULL";