diff options
Diffstat (limited to 'lib/sqlalchemy/dialects/postgresql/psycopg2.py')
| -rw-r--r-- | lib/sqlalchemy/dialects/postgresql/psycopg2.py | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/lib/sqlalchemy/dialects/postgresql/psycopg2.py b/lib/sqlalchemy/dialects/postgresql/psycopg2.py index 3cc62fc93..91576c4d2 100644 --- a/lib/sqlalchemy/dialects/postgresql/psycopg2.py +++ b/lib/sqlalchemy/dialects/postgresql/psycopg2.py @@ -17,18 +17,6 @@ psycopg2 Connect Arguments psycopg2-specific keyword arguments which are accepted by :func:`_sa.create_engine()` are: -* ``server_side_cursors``: Enable the usage of "server side cursors" for SQL - statements which support this feature. What this essentially means from a - psycopg2 point of view is that the cursor is created using a name, e.g. - ``connection.cursor('some name')``, which has the effect that result rows - are not immediately pre-fetched and buffered after statement execution, but - are instead left on the server and only retrieved as needed. SQLAlchemy's - :class:`~sqlalchemy.engine.CursorResult` uses special row-buffering - behavior when this feature is enabled, such that groups of 100 rows at a - time are fetched over the wire to reduce conversational overhead. - Note that the :paramref:`.Connection.execution_options.stream_results` - execution option is a more targeted - way of enabling this mode on a per-execution basis. * ``use_native_unicode``: Enable the usage of Psycopg2 "native unicode" mode per connection. True by default. @@ -129,8 +117,7 @@ in addition to those not specific to DBAPIs: * ``stream_results`` - Enable or disable usage of psycopg2 server side cursors - this feature makes use of "named" cursors in combination with special result handling methods so that result rows are not fully buffered. - If ``None`` or not set, the ``server_side_cursors`` option of the - :class:`_engine.Engine` is used. + Defaults to False, meaning cursors are buffered by default. * ``max_row_buffer`` - when using ``stream_results``, an integer value that specifies the maximum number of rows to buffer at a time. This is @@ -691,7 +678,6 @@ class PGDialect_psycopg2(PGDialect): def __init__( self, - server_side_cursors=False, use_native_unicode=True, client_encoding=None, use_native_hstore=True, @@ -702,7 +688,6 @@ class PGDialect_psycopg2(PGDialect): **kwargs ): PGDialect.__init__(self, **kwargs) - self.server_side_cursors = server_side_cursors self.use_native_unicode = use_native_unicode if not use_native_hstore: self._has_native_hstore = False |