The oslo_db.sqlalchemy.ndb Module¶

Core functions for MySQL Cluster (NDB) Support.

class oslo_db.sqlalchemy.ndb.AutoStringSize(length, ndb_size, **kw)¶

Bases: sqlalchemy.sql.sqltypes.String

Class definition for AutoStringSize.

Class is used by the compiler function _auto_string_size().

class oslo_db.sqlalchemy.ndb.AutoStringText(length=None, collation=None, convert_unicode=False, unicode_error=None, _warn_on_bytestring=False)¶

Bases: sqlalchemy.sql.sqltypes.String

Class definition for AutoStringText.

Class is used by compiler function _auto_string_text().

class oslo_db.sqlalchemy.ndb.AutoStringTinyText(length=None, collation=None, convert_unicode=False, unicode_error=None, _warn_on_bytestring=False)¶

Bases: sqlalchemy.sql.sqltypes.String

Class definition for AutoStringTinyText.

Class is used by compiler function _auto-string_tiny_text().

oslo_db.sqlalchemy.ndb.enable_ndb_support(engine)¶

Enable NDB Support.

Function to flag the MySQL engine dialect to support features specific to MySQL Cluster (NDB).

oslo_db.sqlalchemy.ndb.init_ndb_events(engine)¶

Initialize NDB Events.

Function starts NDB specific events.

oslo_db.sqlalchemy.ndb.ndb_status(engine_or_compiler)¶

Test if NDB Support is enabled.

Function to test if NDB support is enabled or not.

oslo_db.sqlalchemy.ndb.prefix_inserts(create_table, compiler, **kw)¶

Replace InnoDB with NDBCLUSTER automatically.

Function will intercept CreateTable() calls and automatically convert InnoDB to NDBCLUSTER. Targets compiler events.