Fixed autocomplete issue where it is not showing any suggestions if the schema name contains escape characters. Fixes #6045.

docs/en_US/release_notes_5_0.rst

@@ -18,3 +18,4 @@ Bug fixes
 *********
 
 | `Issue #5871 <https://redmine.postgresql.org/issues/5871>`_ -  Ensure that username should be visible in the 'Connect to Server' popup when service and user name both specified.
+| `Issue #6045 <https://redmine.postgresql.org/issues/6045>`_ -  Fixed autocomplete issue where it is not showing any suggestions if the schema name contains escape characters.

web/pgadmin/utils/sqlautocomplete/autocomplete.py

@@ -1105,7 +1105,7 @@ class SQLAutoComplete(object):
         query = ''
 
         if schema:
-            in_clause = '\'' + schema + '\''
+            in_clause = '\'' + schema.replace("'", "''") + '\''
         else:
             for r in self.search_path:
                 in_clause += '\'' + r + '\','