Merge "remove dump tables from previous migrations"

This commit is contained in:
Jenkins 2014-03-28 19:06:49 +00:00 committed by Gerrit Code Review
commit dc72b33397
3 changed files with 38 additions and 26 deletions

View File

@ -17,8 +17,6 @@ from migrate import ForeignKeyConstraint
from sqlalchemy import MetaData, Table
from sqlalchemy.sql.expression import select
from ceilometer.openstack.common.db.sqlalchemy import utils
TABLES = ['resource', 'sourceassoc', 'user',
'project', 'meter', 'source', 'alarm']
@ -46,19 +44,11 @@ def upgrade(migrate_engine):
for table_name in TABLES)
for table_name, indexes in INDEXES.items():
table = load_tables[table_name]
# Save data that conflicted with FK.
columns = [column.copy() for column in table.columns]
table_dump = Table('dump_' + table_name, meta, *columns)
table_dump.create()
for column, ref_table_name, ref_column_name in indexes:
ref_table = load_tables[ref_table_name]
subq = select([getattr(ref_table.c, ref_column_name)])
sql = utils.InsertFromSelect(table_dump, table.select().where(
~ getattr(table.c, column).in_(subq)))
sql_del = table.delete().where(
~ getattr(table.c, column).in_(subq))
migrate_engine.execute(sql)
migrate_engine.execute(sql_del)
params = {'columns': [table.c[column]],
@ -86,10 +76,3 @@ def downgrade(migrate_engine):
with migrate_engine.begin():
fkey = ForeignKeyConstraint(**params)
fkey.drop()
with migrate_engine.begin():
# Restore data that had been dropped.
table_dump_name = 'dump_' + table_name
table_dump = Table(table_dump_name, meta, autoload=True)
sql = utils.InsertFromSelect(table, table_dump.select())
migrate_engine.execute(sql)
table_dump.drop()

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@ -20,8 +20,6 @@ from migrate import ForeignKeyConstraint
from sqlalchemy import MetaData, Table
from sqlalchemy.sql.expression import select
from ceilometer.openstack.common.db.sqlalchemy import utils
TABLES = ['user', 'project', 'alarm']
INDEXES = {
@ -56,18 +54,11 @@ def downgrade(migrate_engine):
for table_name in TABLES)
for table_name, indexes in INDEXES.items():
table = load_tables[table_name]
# Save data that conflicted with FK.
columns = [column.copy() for column in table.columns]
table_dump = Table('dump027_' + table_name, meta, *columns)
table_dump.create()
for column, ref_table_name, ref_column_name in indexes:
ref_table = load_tables[ref_table_name]
subq = select([getattr(ref_table.c, ref_column_name)])
sql = utils.InsertFromSelect(table_dump, table.select().where(
~ getattr(table.c, column).in_(subq)))
sql_del = table.delete().where(
~ getattr(table.c, column).in_(subq))
migrate_engine.execute(sql)
migrate_engine.execute(sql_del)
params = {'columns': [table.c[column]],

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@ -0,0 +1,38 @@
# -*- encoding: utf-8 -*-
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sqlalchemy as sa
TABLES_012 = ['resource', 'sourceassoc', 'user',
'project', 'meter', 'source', 'alarm']
TABLES_027 = ['user', 'project', 'alarm']
def upgrade(migrate_engine):
meta = sa.MetaData(bind=migrate_engine)
for table_name in TABLES_027:
try:
sa.Table('dump027_' + table_name, meta, autoload=True)\
.drop(checkfirst=True)
except sa.exc.NoSuchTableError:
pass
for table_name in TABLES_012:
try:
sa.Table('dump_' + table_name, meta, autoload=True)\
.drop(checkfirst=True)
except sa.exc.NoSuchTableError:
pass
def downgrade(migrate_engine):
pass