u/pc/rhodecode-enterprise-ce-fork-pc Files · rhodecode/lib/dbmigrate/migrate/changeset/__init__.py

caches: use individual namespaces per user to prevent beaker caching problems....

caches: use individual namespaces per user to prevent beaker caching problems. - especially for mysql in case large number of data in caches there could be critical errors storing cache, and thus preventing users from authentication. This is caused by the fact that we used single namespace for ALL users. It means it grew as number of users grew reaching mysql single column limit. This changes the behaviour and now we use namespace per-user it means that each user-id will have it's own cache namespace fragmenting maximum column data to a single user cache. Which we should never reach.

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             / rhodecode / lib / dbmigrate / migrate / changeset / __init__.py
          
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      """

         This module extends SQLAlchemy and provides additional DDL [#]_

         support.

         .. [#] SQL Data Definition Language

      """

      import re

      import warnings

      import sqlalchemy

      from sqlalchemy import __version__ as _sa_version

      warnings.simplefilter('always', DeprecationWarning)

      _sa_version = tuple(int(re.match("\d+", x).group(0))

                          for x in _sa_version.split("."))

      SQLA_07 = _sa_version >= (0, 7)

      SQLA_08 = _sa_version >= (0, 8)

      del re

      del _sa_version

      from rhodecode.lib.dbmigrate.migrate.changeset.schema import *

      from rhodecode.lib.dbmigrate.migrate.changeset.constraint import *

      sqlalchemy.schema.Table.__bases__ += (ChangesetTable,)

      sqlalchemy.schema.Column.__bases__ += (ChangesetColumn,)

      sqlalchemy.schema.Index.__bases__ += (ChangesetIndex,)

      sqlalchemy.schema.DefaultClause.__bases__ += (ChangesetDefaultClause,)

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marcink project: added all source files and assets	r1	"""
		This module extends SQLAlchemy and provides additional DDL [#]_
		support.

		.. [#] SQL Data Definition Language
		"""
		import re
		import warnings

		import sqlalchemy
		from sqlalchemy import __version__ as _sa_version

		warnings.simplefilter('always', DeprecationWarning)

		_sa_version = tuple(int(re.match("\d+", x).group(0))
		for x in _sa_version.split("."))
		SQLA_07 = _sa_version >= (0, 7)
		SQLA_08 = _sa_version >= (0, 8)

		del re
		del _sa_version

		from rhodecode.lib.dbmigrate.migrate.changeset.schema import *
		from rhodecode.lib.dbmigrate.migrate.changeset.constraint import *

		sqlalchemy.schema.Table.__bases__ += (ChangesetTable,)
		sqlalchemy.schema.Column.__bases__ += (ChangesetColumn,)
		sqlalchemy.schema.Index.__bases__ += (ChangesetIndex,)

		sqlalchemy.schema.DefaultClause.__bases__ += (ChangesetDefaultClause,)