[dbmanager] fixes #17476: QGIS master: update SQL layer error if name contains uppercase chars

Author: slarosa

python/plugins/db_manager/dlg_sql_layer_window.py

@@ -154,9 +154,9 @@ def __init__(self, iface, layer, parent=None):
         if not sql.startswith('(') and not sql.endswith(')'):
             schema = uri.schema()
             if schema and schema.upper() != 'PUBLIC':
-                sql = 'SELECT * FROM ' + schema + '.' + sql
+                sql = 'SELECT * FROM {0}.{1}'.format(self.db.connector.quoteId(schema), self.db.connector.quoteId(sql))
             else:
-                sql = 'SELECT * FROM ' + sql
+                sql = 'SELECT * FROM {0}'.format(self.db.connector.quoteId(sql))
         self.editSql.setText(sql)
         self.executeSql()