diff options
Diffstat (limited to 'lib/sqlalchemy/engine/reflection.py')
| -rw-r--r-- | lib/sqlalchemy/engine/reflection.py | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/lib/sqlalchemy/engine/reflection.py b/lib/sqlalchemy/engine/reflection.py index 7e1fca0e5..050f18f2f 100644 --- a/lib/sqlalchemy/engine/reflection.py +++ b/lib/sqlalchemy/engine/reflection.py @@ -401,7 +401,8 @@ class Inspector(inspection.Inspectable["Inspector"]): def has_table( self, table_name: str, schema: Optional[str] = None, **kw: Any ) -> bool: - r"""Return True if the backend has a table or view of the given name. + r"""Return True if the backend has a table, view, or temporary + table of the given name. :param table_name: name of the table to check :param schema: schema name to query, if not the default schema. @@ -412,11 +413,17 @@ class Inspector(inspection.Inspectable["Inspector"]): .. versionadded:: 1.4 - the :meth:`.Inspector.has_table` method replaces the :meth:`_engine.Engine.has_table` method. - .. versionchanged:: 2.0:: The method checks also for any type of - views (plain or materialized). - In previous version this behaviour was dialect specific. New - dialect suite tests were added to ensure all dialect conform with - this behaviour. + .. versionchanged:: 2.0:: :meth:`.Inspector.has_table` now formally + supports checking for additional table-like objects: + + * any type of views (plain or materialized) + * temporary tables of any kind + + Previously, these two checks were not formally specified and + different dialects would vary in their behavior. The dialect + testing suite now includes tests for all of these object types + and should be supported by all SQLAlchemy-included dialects. + Support among third party dialects may be lagging, however. """ with self._operation_context() as conn: |