Fix crash with SQL Server driver

NathanW2 · NathanW2 · commit 67c9a72b4854 · 2014-10-11T20:12:20.000+10:00
diff --git a/src/providers/mssql/qgsmssqlfeatureiterator.cpp b/src/providers/mssql/qgsmssqlfeatureiterator.cpp
@@ -89,7 +89,7 @@ void QgsMssqlFeatureIterator::BuildStatement( const QgsFeatureRequest& request )
 
   bool filterAdded = false;
   // set spatial filter
-  if ( request.filterType() == QgsFeatureRequest::FilterRect && mSource->isSpatial() )
+  if ( request.filterType() == QgsFeatureRequest::FilterRect && mSource->isSpatial() && !request.filterRect().isEmpty() )
   {
     // polygons should be CCW for SqlGeography
     QString r;

Original file line number	Diff line number	Diff line change
`@@ -89,7 +89,7 @@ void QgsMssqlFeatureIterator::BuildStatement( const QgsFeatureRequest& request )`
`89`	`89`
`90`	`90`	`bool filterAdded = false;`
`91`	`91`	`// set spatial filter`
`92`		`- if ( request.filterType() == QgsFeatureRequest::FilterRect && mSource->isSpatial() )`
	`92`	`+ if ( request.filterType() == QgsFeatureRequest::FilterRect && mSource->isSpatial() && !request.filterRect().isEmpty() )`
`93`	`93`	`{`
`94`	`94`	`// polygons should be CCW for SqlGeography`
`95`	`95`	`QString r;`