vector join: put subset string in parentheses (followup af8479e; closes pull request #571; fixes #7743)

jef-n · jef-n · commit c04a130a990d · 2013-07-17T13:15:18.000+02:00
diff --git a/src/core/qgsvectorlayerfeatureiterator.cpp b/src/core/qgsvectorlayerfeatureiterator.cpp
@@ -398,7 +398,7 @@ void QgsVectorLayerFeatureIterator::FetchJoinInfo::addJoinedAttributesDirect( Qg
   QString bkSubsetString = subsetString;
   if ( !subsetString.isEmpty() )
   {
-    subsetString.append( " AND " );
+    subsetString.prepend( "(" ).append( ") AND " );
   }
 
   QString joinFieldName;

Original file line number	Diff line number	Diff line change
`@@ -398,7 +398,7 @@ void QgsVectorLayerFeatureIterator::FetchJoinInfo::addJoinedAttributesDirect( Qg`
`398`	`398`	`QString bkSubsetString = subsetString;`
`399`	`399`	`if ( !subsetString.isEmpty() )`
`400`	`400`	`{`
`401`		`- subsetString.append( " AND " );`
	`401`	`+ subsetString.prepend( "(" ).append( ") AND " );`
`402`	`402`	`}`
`403`	`403`
`404`	`404`	`QString joinFieldName;`