diff options
Diffstat (limited to 'lib/sqlalchemy/sql/compiler.py')
| -rw-r--r-- | lib/sqlalchemy/sql/compiler.py | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/sqlalchemy/sql/compiler.py b/lib/sqlalchemy/sql/compiler.py index a734bb582..8ee575cca 100644 --- a/lib/sqlalchemy/sql/compiler.py +++ b/lib/sqlalchemy/sql/compiler.py @@ -1047,14 +1047,19 @@ class SQLCompiler(Compiled): if include_types is None and exclude_types is None: def _lookup_type(typ): - dialect_impl = typ._unwrapped_dialect_impl(dialect) - return dialect_impl.get_dbapi_type(dbapi) + dbtype = typ.dialect_impl(dialect).get_dbapi_type(dbapi) + return dbtype else: def _lookup_type(typ): + # note we get dbtype from the possibly TypeDecorator-wrapped + # dialect_impl, but the dialect_impl itself that we use for + # include/exclude is the unwrapped version. + dialect_impl = typ._unwrapped_dialect_impl(dialect) - dbtype = dialect_impl.get_dbapi_type(dbapi) + + dbtype = typ.dialect_impl(dialect).get_dbapi_type(dbapi) if ( dbtype is not None |