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118 lines
4.2 KiB
Python
118 lines
4.2 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""Sync DB with the models.py.
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Sqlite doesn't support alter on tables, that's why most of the operations
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are surrounded with try except.
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Revision ID: 3b626e2a6783
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Revises: 5e4a03ef0bf0
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Create Date: 2016-09-22 10:21:33.618976
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"""
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from alembic import op
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from superset import db
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from superset.utils.core import generic_find_constraint_name
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import logging
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import sqlalchemy as sa
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from sqlalchemy.dialects import mysql
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# revision identifiers, used by Alembic.
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revision = '3b626e2a6783'
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down_revision = 'eca4694defa7'
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def upgrade():
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# cleanup after: https://github.com/airbnb/superset/pull/1078
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try:
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slices_ibfk_1 = generic_find_constraint_name(
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table='slices', columns={'druid_datasource_id'},
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referenced='datasources', db=db)
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slices_ibfk_2 = generic_find_constraint_name(
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table='slices', columns={'table_id'},
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referenced='tables', db=db)
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with op.batch_alter_table('slices') as batch_op:
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if slices_ibfk_1:
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batch_op.drop_constraint(slices_ibfk_1, type_='foreignkey')
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if slices_ibfk_2:
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batch_op.drop_constraint(slices_ibfk_2, type_='foreignkey')
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batch_op.drop_column('druid_datasource_id')
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batch_op.drop_column('table_id')
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except Exception as e:
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logging.warning(str(e))
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# fixed issue: https://github.com/airbnb/superset/issues/466
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try:
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with op.batch_alter_table('columns') as batch_op:
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batch_op.create_foreign_key(
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None, 'datasources', ['datasource_name'], ['datasource_name'])
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except Exception as e:
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logging.warning(str(e))
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try:
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with op.batch_alter_table('query') as batch_op:
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batch_op.create_unique_constraint('client_id', ['client_id'])
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except Exception as e:
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logging.warning(str(e))
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try:
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with op.batch_alter_table('query') as batch_op:
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batch_op.drop_column('name')
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except Exception as e:
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logging.warning(str(e))
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def downgrade():
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try:
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with op.batch_alter_table('tables') as batch_op:
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batch_op.create_index('table_name', ['table_name'], unique=True)
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except Exception as e:
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logging.warning(str(e))
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try:
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with op.batch_alter_table('slices') as batch_op:
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batch_op.add_column(sa.Column(
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'table_id', mysql.INTEGER(display_width=11),
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autoincrement=False, nullable=True))
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batch_op.add_column(sa.Column(
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'druid_datasource_id', sa.Integer(), autoincrement=False,
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nullable=True))
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batch_op.create_foreign_key(
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'slices_ibfk_1', 'datasources', ['druid_datasource_id'],
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['id'])
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batch_op.create_foreign_key(
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'slices_ibfk_2', 'tables', ['table_id'], ['id'])
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except Exception as e:
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logging.warning(str(e))
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try:
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fk_columns = generic_find_constraint_name(
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table='columns', columns={'datasource_name'},
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referenced='datasources', db=db)
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with op.batch_alter_table('columns') as batch_op:
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batch_op.drop_constraint(fk_columns, type_='foreignkey')
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except Exception as e:
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logging.warning(str(e))
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op.add_column(
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'query', sa.Column('name', sa.String(length=256), nullable=True))
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try:
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with op.batch_alter_table('query') as batch_op:
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batch_op.drop_constraint('client_id', type_='unique')
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except Exception as e:
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logging.warning(str(e))
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