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-rw-r--r--lib/sqlalchemy/sql/schema.py18
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py
index 4e8f4a397..ee7dc61ce 100644
--- a/lib/sqlalchemy/sql/schema.py
+++ b/lib/sqlalchemy/sql/schema.py
@@ -50,6 +50,7 @@ from .elements import ColumnElement
from .elements import quoted_name
from .elements import TextClause
from .selectable import TableClause
+from .visitors import InternalTraversal
from .. import event
from .. import exc
from .. import inspection
@@ -425,6 +426,21 @@ class Table(DialectKWArgs, SchemaItem, TableClause):
__visit_name__ = "table"
+ _traverse_internals = TableClause._traverse_internals + [
+ ("schema", InternalTraversal.dp_string)
+ ]
+
+ def _gen_cache_key(self, anon_map, bindparams):
+ return (self,)
+
+ @util.deprecated_params(
+ useexisting=(
+ "0.7",
+ "The :paramref:`.Table.useexisting` parameter is deprecated and "
+ "will be removed in a future release. Please use "
+ ":paramref:`.Table.extend_existing`.",
+ )
+ )
def __new__(cls, *args, **kw):
if not args:
# python3k pickle seems to call this
@@ -763,6 +779,8 @@ class Table(DialectKWArgs, SchemaItem, TableClause):
def get_children(
self, column_collections=True, schema_visitor=False, **kw
):
+ # TODO: consider that we probably don't need column_collections=True
+ # at all, it does not seem to impact anything
if not schema_visitor:
return TableClause.get_children(
self, column_collections=column_collections, **kw