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Marcin Kuzminski

Fixing issues of cache invalidation for multiple instances running in rhodecode.
- during server start always register all cache keys for all repositories
- Don't clear cache markers on start since multiple instances can clear each other out

import logging
import datetime

from sqlalchemy import *
from sqlalchemy.exc import DatabaseError
from sqlalchemy.orm import relation, backref, class_mapper
from sqlalchemy.orm.session import Session

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

from rhodecode.model.meta import Base

log = logging.getLogger(__name__)


def upgrade(migrate_engine):
    """ Upgrade operations go here.
    Don't create your own engine; bind migrate_engine to your metadata
    """
    #==========================================================================
    # Add table `users_group_repo_group_to_perm`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import UsersGroupRepoGroupToPerm
    UsersGroupRepoGroupToPerm().__table__.create()

    #==========================================================================
    # Add table `changeset_comments`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import  ChangesetComment
    ChangesetComment().__table__.create()

    #==========================================================================
    # Add table `notifications`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import  Notification
    Notification().__table__.create()

    #==========================================================================
    # Add table `user_to_notification`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import  UserNotification
    UserNotification().__table__.create()

    #==========================================================================
    # Add unique to table `users_group_to_perm`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import UsersGroupToPerm
    tbl = UsersGroupToPerm().__table__
    cons = UniqueConstraint('users_group_id', 'permission_id', table=tbl)
    cons.create()

    #==========================================================================
    # Fix unique constrain on table `user_logs`
    #==========================================================================
    from rhodecode.lib.dbmigrate.schema.db_1_3_0 import UserLog
    tbl = UserLog().__table__
    col = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'),
                 nullable=False, unique=None, default=None)
    col.alter(nullable=True, table=tbl)

    #==========================================================================
    # Rename table `group_to_perm` to `user_repo_group_to_perm`
    #==========================================================================
    tbl = Table('group_to_perm', MetaData(bind=migrate_engine), autoload=True,
                    autoload_with=migrate_engine)
    tbl.rename('user_repo_group_to_perm')

    return


def downgrade(migrate_engine):
    meta = MetaData()
    meta.bind = migrate_engine