sqlalchemy.engine.cursor.CursorFetchStrategy

class documentation

class CursorFetchStrategy(ResultFetchStrategy):

Known subclasses: sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

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Call fetch methods from a DBAPI cursor.

Alternate versions of this class may instead buffer the rows from cursors or not use cursors at all.

Method fetchall Undocumented
Method fetchmany Undocumented
Method fetchone Undocumented
Method handle​_exception Undocumented
Method hard​_close Undocumented
Method soft​_close Undocumented
Method yield​_per Undocumented
Class Variable __slots__ Undocumented

Inherited from ResultFetchStrategy:

Class Variable alternate​_cursor​_description Undocumented
def fetchall(self, result, dbapi_cursor):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.fetchall
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

def fetchmany(self, result, dbapi_cursor, size=None):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.fetchmany
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

def fetchone(self, result, dbapi_cursor, hard_close=False):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.fetchone
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

def handle_exception(self, result, dbapi_cursor, err):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.handle_exception

Undocumented

def hard_close(self, result, dbapi_cursor):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.hard_close
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

def soft_close(self, result, dbapi_cursor):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.soft_close
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

def yield_per(self, result, dbapi_cursor, num):
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.yield_per
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented

__slots__: tuple =
overrides sqlalchemy.engine.cursor.ResultFetchStrategy.__slots__
overridden in sqlalchemy.engine.cursor.BufferedRowCursorFetchStrategy, sqlalchemy.engine.cursor.FullyBufferedCursorFetchStrategy

Undocumented