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db: added index to cache_args column for feaster lookup on cache invalidation
db: added index to cache_args column for feaster lookup on cache invalidation

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r4830:b6a62e17 default
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114_version_4_28_0.py
54 lines | 1.4 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
import logging
from sqlalchemy import *
from sqlalchemy.engine import reflection
from alembic.migration import MigrationContext
from alembic.operations import Operations
from rhodecode.lib.dbmigrate.versions import _reset_base
from rhodecode.model import meta, init_model_encryption
log = logging.getLogger(__name__)
def _get_indexes_list(migrate_engine, table_name):
inspector = reflection.Inspector.from_engine(migrate_engine)
return inspector.get_indexes(table_name)
def upgrade(migrate_engine):
"""
Upgrade operations go here.
Don't create your own engine; bind migrate_engine to your metadata
"""
_reset_base(migrate_engine)
from rhodecode.lib.dbmigrate.schema import db_4_20_0_0
init_model_encryption(db_4_20_0_0)
# make sure we re-create api-keys indexes
context = MigrationContext.configure(migrate_engine.connect())
op = Operations(context)
existing_indexes = _get_indexes_list(
migrate_engine, db_4_20_0_0.CacheKey.__tablename__)
names = [idx['name'] for idx in existing_indexes]
with op.batch_alter_table(db_4_20_0_0.CacheKey.__tablename__) as batch_op:
if 'cache_args_idx' not in names:
batch_op.create_index(
'cache_args_idx', ['cache_args'])
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
def fixups(models, _SESSION):
pass