76 lines
2.3 KiB
Python
76 lines
2.3 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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"""update slice model
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Revision ID: 33d996bcc382
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Revises: 41f6a59a61f2
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Create Date: 2016-09-07 23:50:59.366779
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"""
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import sqlalchemy as sa
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from alembic import op
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from sqlalchemy import Column, Integer, String
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from sqlalchemy.ext.declarative import declarative_base
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from superset import db
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# revision identifiers, used by Alembic.
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revision = "33d996bcc382"
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down_revision = "41f6a59a61f2"
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Base = declarative_base()
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class Slice(Base):
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"""Declarative class to do query in upgrade"""
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__tablename__ = "slices"
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id = Column(Integer, primary_key=True)
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datasource_id = Column(Integer)
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druid_datasource_id = Column(Integer)
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table_id = Column(Integer)
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datasource_type = Column(String(200))
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def upgrade():
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bind = op.get_bind()
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op.add_column("slices", sa.Column("datasource_id", sa.Integer()))
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session = db.Session(bind=bind)
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for slc in session.query(Slice).all():
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if slc.druid_datasource_id:
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slc.datasource_id = slc.druid_datasource_id
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if slc.table_id:
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slc.datasource_id = slc.table_id
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session.merge(slc)
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session.commit()
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session.close()
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def downgrade():
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bind = op.get_bind()
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session = db.Session(bind=bind)
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for slc in session.query(Slice).all():
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if slc.datasource_type == "druid":
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slc.druid_datasource_id = slc.datasource_id
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if slc.datasource_type == "table":
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slc.table_id = slc.datasource_id
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session.merge(slc)
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session.commit()
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session.close()
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op.drop_column("slices", "datasource_id")
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