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135 lines
4.5 KiB
Python
135 lines
4.5 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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import logging
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy.dialects import mysql
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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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# 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",
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columns={"druid_datasource_id"},
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referenced="datasources",
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database=db,
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)
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slices_ibfk_2 = generic_find_constraint_name(
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table="slices", columns={"table_id"}, referenced="tables", database=db
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)
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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 ex:
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logging.warning(str(ex))
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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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)
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except Exception as ex:
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logging.warning(str(ex))
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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 ex:
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logging.warning(str(ex))
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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 ex:
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logging.warning(str(ex))
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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 ex:
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logging.warning(str(ex))
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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(
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sa.Column(
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"table_id",
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mysql.INTEGER(display_width=11),
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autoincrement=False,
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nullable=True,
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)
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)
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batch_op.add_column(
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sa.Column(
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"druid_datasource_id",
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sa.Integer(),
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autoincrement=False,
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nullable=True,
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)
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)
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batch_op.create_foreign_key(
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"slices_ibfk_1", "datasources", ["druid_datasource_id"], ["id"]
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)
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batch_op.create_foreign_key("slices_ibfk_2", "tables", ["table_id"], ["id"])
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except Exception as ex:
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logging.warning(str(ex))
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try:
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fk_columns = generic_find_constraint_name(
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table="columns",
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columns={"datasource_name"},
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referenced="datasources",
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database=db,
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)
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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 ex:
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logging.warning(str(ex))
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op.add_column("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 ex:
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logging.warning(str(ex))
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