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[schema] Updating the datasources schema
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John Bodley
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Apr 23, 2019
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52 changes: 52 additions & 0 deletions
52
superset/migrations/versions/937d04c16b64_update_datasources.py
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# 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. | ||
"""update datasources | ||
Revision ID: 937d04c16b64 | ||
Revises: d94d33dbe938 | ||
Create Date: 2018-07-20 16:08:10.195843 | ||
""" | ||
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# revision identifiers, used by Alembic. | ||
revision = '937d04c16b64' | ||
down_revision = 'd94d33dbe938' | ||
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from alembic import op | ||
import sqlalchemy as sa | ||
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def upgrade(): | ||
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# Enforce that the datasource_name column be non-nullable. | ||
with op.batch_alter_table('datasources') as batch_op: | ||
batch_op.alter_column( | ||
'datasource_name', | ||
nullable=False, | ||
type_=sa.String(255), | ||
) | ||
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def downgrade(): | ||
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# Forego that the datasource_name column be non-nullable. | ||
with op.batch_alter_table('datasources') as batch_op: | ||
batch_op.alter_column( | ||
'datasource_name', | ||
nullable=True, | ||
type_=sa.String(255), | ||
) |