oracle provider: fix evaluation of default values

jef-n · jef-n · commit 64a6cf631e48 · 2014-12-17T18:43:43.000+01:00
diff --git a/src/providers/oracle/qgsoracleprovider.cpp b/src/providers/oracle/qgsoracleprovider.cpp
@@ -1139,7 +1139,7 @@ QString QgsOracleProvider::paramValue( QString fieldValue, const QString &defaul
   else if ( fieldValue == defaultValue && !defaultValue.isNull() )
   {
     QSqlQuery qry( *mConnection );
-    if ( !exec( qry, QString( "SELECT %1" ).arg( defaultValue ) ) || !qry.next() )
+    if ( !exec( qry, QString( "SELECT %1 FROM dual" ).arg( defaultValue ) ) || !qry.next() )
     {
       throw OracleException( tr( "Evaluation of default value failed" ), qry );
     }

Original file line number	Diff line number	Diff line change
`@@ -1139,7 +1139,7 @@ QString QgsOracleProvider::paramValue( QString fieldValue, const QString &defaul`
`1139`	`1139`	`else if ( fieldValue == defaultValue && !defaultValue.isNull() )`
`1140`	`1140`	`{`
`1141`	`1141`	`QSqlQuery qry( *mConnection );`
`1142`		`- if ( !exec( qry, QString( "SELECT %1" ).arg( defaultValue ) ) \|\| !qry.next() )`
	`1142`	`+ if ( !exec( qry, QString( "SELECT %1 FROM dual" ).arg( defaultValue ) ) \|\| !qry.next() )`
`1143`	`1143`	`{`
`1144`	`1144`	`throw OracleException( tr( "Evaluation of default value failed" ), qry );`
`1145`	`1145`	`}`