[mssql] Fix provider emits unnecessary dataChanged signal

Fixes a failing provider conformance test
qgis · Oct 4, 2018 · c5ecc64 · c5ecc64
1 parent f0342ec
commit c5ecc64
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/providers/mssql/qgsmssqlprovider.cpp b/src/providers/mssql/qgsmssqlprovider.cpp
@@ -1519,6 +1519,9 @@ QString  QgsMssqlProvider::name() const
 
 bool QgsMssqlProvider::setSubsetString( const QString &theSQL, bool )
 {
+  if ( theSQL.trimmed() == mSqlWhereClause )
+    return true;
+
   QString prevWhere = mSqlWhereClause;
 
   mSqlWhereClause = theSQL.trimmed();