diff options
Diffstat (limited to 'lib/sqlalchemy/engine/base.py')
| -rw-r--r-- | lib/sqlalchemy/engine/base.py | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/lib/sqlalchemy/engine/base.py b/lib/sqlalchemy/engine/base.py index 6af0ce0d3..9c7e70ba9 100644 --- a/lib/sqlalchemy/engine/base.py +++ b/lib/sqlalchemy/engine/base.py @@ -87,6 +87,17 @@ class Dialect(object): supports_pk_autoincrement Indicates if the dialect should allow the database to passively assign a primary key column value. + + dbapi_type_map + A mapping of DB-API type objects present in this Dialect's + DB-API implmentation mapped to TypeEngine implementations used + by the dialect. + + This is used to apply types to result sets based on the DB-API + types present in cursor.description; it only takes effect for + result sets against textual statements where no explicit + typemap was present. + """ def create_connect_args(self, url): @@ -99,21 +110,6 @@ class Dialect(object): raise NotImplementedError() - def dbapi_type_map(self): - """Returns a DB-API to sqlalchemy.types mapping. - - A mapping of DB-API type objects present in this Dialect's - DB-API implmentation mapped to TypeEngine implementations used - by the dialect. - - This is used to apply types to result sets based on the DB-API - types present in cursor.description; it only takes effect for - result sets against textual statements where no explicit - typemap was present. Constructed SQL statements always have - type information explicitly embedded. - """ - - raise NotImplementedError() def type_descriptor(self, typeobj): """Transform a generic type to a database-specific type. @@ -1339,7 +1335,7 @@ class ResultProxy(object): metadata = self.cursor.description if metadata is not None: - typemap = self.dialect.dbapi_type_map() + typemap = self.dialect.dbapi_type_map for i, item in enumerate(metadata): # sqlite possibly prepending table name to colnames so strip |