diff options
Diffstat (limited to 'sqlglot/optimizer/qualify_columns.py')
| -rw-r--r-- | sqlglot/optimizer/qualify_columns.py | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sqlglot/optimizer/qualify_columns.py b/sqlglot/optimizer/qualify_columns.py index e16a635..f4568c2 100644 --- a/sqlglot/optimizer/qualify_columns.py +++ b/sqlglot/optimizer/qualify_columns.py @@ -365,9 +365,9 @@ class _Resolver: def all_columns(self): """All available columns of all sources in this scope""" if self._all_columns is None: - self._all_columns = set( + self._all_columns = { column for columns in self._get_all_source_columns().values() for column in columns - ) + } return self._all_columns def get_source_columns(self, name, only_visible=False): |