betodealmeida commented on a change in pull request #11397: URL: https://github.com/apache/incubator-superset/pull/11397#discussion_r512314474
########## File path: superset/migrations/versions/96e99fb176a0_add_import_mixing_to_saved_query.py ########## @@ -0,0 +1,134 @@ +# 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_import_mixing_to_saved_query + +Revision ID: 96e99fb176a0 +Revises: af30ca79208f +Create Date: 2020-10-21 21:09:55.945956 + +""" + +import os +import time +from uuid import uuid4 + +import sqlalchemy as sa +from alembic import op +from sqlalchemy.dialects.mysql.base import MySQLDialect +from sqlalchemy.dialects.postgresql.base import PGDialect +from sqlalchemy.exc import OperationalError +from sqlalchemy.ext.declarative import declarative_base +from sqlalchemy_utils import UUIDType + +from superset import db + +# revision identifiers, used by Alembic. +revision = "96e99fb176a0" +down_revision = "af30ca79208f" + + +Base = declarative_base() + + +class ImportMixin: + id = sa.Column(sa.Integer, primary_key=True) + uuid = sa.Column(UUIDType(binary=True), primary_key=False, default=uuid4) + + +class SavedQuery(Base, ImportMixin): + __tablename__ = "saved_query" + + +default_batch_size = int(os.environ.get("BATCH_SIZE", 200)) + +# Add uuids directly using built-in SQL uuid function +add_uuids_by_dialect = { + MySQLDialect: """UPDATE saved_query SET uuid = UNHEX(REPLACE(uuid(), "-", ""));""", + PGDialect: """UPDATE saved_query SET uuid = uuid_in(md5(random()::text || clock_timestamp()::text)::cstring);""", +} + + +def add_uuids(session, batch_size=default_batch_size): Review comment: I was on the fence about doing this, because it requires small changes in the previous script, and changing a previous migration script seems dangerous. In this case it seems safe enough... let me know what you think. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
