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fix: alembic migration fails by deleting non existent constraint on tables
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# 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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"""Delete table_name unique constraint in mysql
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Revision ID: 18532d70ab98
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Revises: 3fbbc6e8d654
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Create Date: 2020-09-25 10:56:13.711182
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"""
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# revision identifiers, used by Alembic.
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revision = "18532d70ab98"
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down_revision = "3fbbc6e8d654"
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from alembic import op
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def upgrade():
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try:
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# index only exists in mysql db
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with op.get_context().autocommit_block():
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op.drop_constraint("table_name", "tables", type_="unique")
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except Exception as ex:
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print(ex)
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def downgrade():
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pass
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