[oracle] Always mark features as invalid when iterator is closed

nyalldawson · nyalldawson · commit 649dc19af436 · 2018-04-17T18:46:31.000+10:00
Fixes some failing oracle provider conformance test suite failures (cherry-picked from 66bd813)
diff --git a/src/providers/oracle/qgsoraclefeatureiterator.cpp b/src/providers/oracle/qgsoraclefeatureiterator.cpp
@@ -258,6 +258,7 @@ bool QgsOracleFeatureIterator::fetchFeature( QgsFeature &feature )
   {
     feature.initAttributes( mSource->mFields.count() );
     feature.clearGeometry();
+    feature.setValid( false );
 
     if ( mRewind )
     {

Original file line number	Diff line number	Diff line change
`@@ -258,6 +258,7 @@ bool QgsOracleFeatureIterator::fetchFeature( QgsFeature &feature )`
`258`	`258`	`{`
`259`	`259`	`feature.initAttributes( mSource->mFields.count() );`
`260`	`260`	`feature.clearGeometry();`
	`261`	`+ feature.setValid( false );`
`261`	`262`
`262`	`263`	`if ( mRewind )`
`263`	`264`	`{`