| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you 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. |
| """add missing uuid column |
| |
| Revision ID: c501b7c653a3 |
| Revises: 070c043f2fdb |
| Create Date: 2021-02-18 09:13:00.028317 |
| |
| """ |
| |
| # revision identifiers, used by Alembic. |
| revision = "c501b7c653a3" |
| down_revision = "070c043f2fdb" |
| |
| import logging |
| from uuid import uuid4 |
| |
| import sqlalchemy as sa |
| from alembic import op |
| from sqlalchemy.dialects import mysql |
| from sqlalchemy.engine.reflection import Inspector |
| from sqlalchemy.orm import load_only |
| from sqlalchemy_utils import UUIDType |
| |
| from superset import db |
| from superset.migrations.versions.b56500de1855_add_uuid_column_to_import_mixin import ( |
| add_uuids, |
| models, |
| update_dashboards, |
| ) |
| |
| |
| def has_uuid_column(table_name, bind): |
| inspector = Inspector.from_engine(bind) |
| columns = {column["name"] for column in inspector.get_columns(table_name)} |
| has_uuid_column = "uuid" in columns |
| if has_uuid_column: |
| logging.info("Table %s already has uuid column, skipping...", table_name) |
| else: |
| logging.info("Table %s doesn't have uuid column, adding...", table_name) |
| return has_uuid_column |
| |
| |
| def upgrade(): |
| bind = op.get_bind() |
| session = db.Session(bind=bind) |
| |
| for table_name, model in models.items(): |
| # this script adds missing uuid columns |
| if has_uuid_column(table_name, bind): |
| continue |
| |
| with op.batch_alter_table(table_name) as batch_op: |
| batch_op.add_column( |
| sa.Column( |
| "uuid", UUIDType(binary=True), primary_key=False, default=uuid4, |
| ), |
| ) |
| add_uuids(model, table_name, session) |
| |
| # add uniqueness constraint |
| with op.batch_alter_table(table_name) as batch_op: |
| # batch mode is required for sqllite |
| batch_op.create_unique_constraint(f"uq_{table_name}_uuid", ["uuid"]) |
| |
| # add UUID to Dashboard.position_json; this function is idempotent |
| # so we can call it for all objects |
| slice_uuid_map = { |
| slc.id: slc.uuid |
| for slc in session.query(models["slices"]) |
| .options(load_only("id", "uuid")) |
| .all() |
| } |
| update_dashboards(session, slice_uuid_map) |
| |
| |
| def downgrade() -> None: |
| """ |
| This script fixes b56500de1855_add_uuid_column_to_import_mixin.py by adding any |
| uuid columns that might have been skipped. There's no downgrade. |
| """ |
| pass |