fix #6842

python/plugins/db_manager/db_plugins/connector.py

@@ -25,7 +25,7 @@
 
 from qgis.core import QgsDataSourceURI
 
-from .plugin import DbError, ConnectionError
+from .plugin import BaseError, DbError, ConnectionError
 
 class DBConnector:
 	def __init__(self, uri):
@@ -75,10 +75,10 @@ def _execute(self, cursor, sql):
 		try:
 			cursor.execute(unicode(sql))
 
-		except self.connection_error_types(), e:
+		except self.connection_error_types() as e:
 			raise ConnectionError(e)
 
-		except self.execution_error_types(), e:
+		except self.execution_error_types() as e:
 			# do the rollback to avoid a "current transaction aborted, commands ignored" errors
 			self._rollback()
 			raise DbError(e, sql)

python/plugins/db_manager/db_plugins/postgis/connector.py

@@ -866,7 +866,7 @@ def deleteSpatialIndex(self, table, geom_column='geom'):
 
 
 	def execution_error_types(self):
-		return psycopg2.Error, psycopg2.ProgrammingError
+		return psycopg2.Error, psycopg2.ProgrammingError, psycopg2.Warning
 
 	def connection_error_types(self):
 		return psycopg2.InterfaceError, psycopg2.OperationalError

python/plugins/db_manager/db_plugins/spatialite/connector.py

@@ -554,7 +554,7 @@ def hasSpatialIndex(self, table, geom_column='geometry'):
 
 
 	def execution_error_types(self):
-		return sqlite.Error, sqlite.ProgrammingError
+		return sqlite.Error, sqlite.ProgrammingError, sqlite.Warning
 
 	def connection_error_types(self):
 		return sqlite.InterfaceError, sqlite.OperationalError

python/plugins/db_manager/dlg_sql_window.py

@@ -196,7 +196,7 @@ def fillColumnCombos(self):
 			c = connector._execute(None, sql)
 			cols = connector._get_cursor_columns(c)
 
-		except (BaseError, Warning) as e:
+		except BaseError as e:
 			QApplication.restoreOverrideCursor()
 			DlgDbError.showError(e, self)
 			return