Merge pull request #773 from slarosa/fix_8366

Fix #8366

Author: NathanW2

python/plugins/db_manager/dlg_sql_window.py

@@ -225,8 +225,8 @@ def fillColumnCombos(self):
     aliasIndex = 0
     while True:
       alias = "_%s__%d" % ("subQuery", aliasIndex)
-      escaped = '\\b("?)' + QRegExp.escape(alias) + '\\1\\b'
-      if not query.contains( QRegExp(escaped, Qt.CaseInsensitive) ):
+      escaped = re.compile('\\b("?)' + re.escape(alias) + '\\1\\b')
+      if not escaped.search(query):
         break
       aliasIndex += 1