62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# Copyright 2016 OpenStack Foundation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# 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, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Increase time resolution for status reports
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Revision ID: 014
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Create Date: 2016-04-28
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"""
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from alembic import op
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import sqlalchemy.dialects.mysql as sa_mysql
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# revision identifiers, used by Alembic.
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revision = '014'
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down_revision = '013'
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MYSQL_ENGINE = 'InnoDB'
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MYSQL_CHARSET = 'utf8'
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def _check_dbms(engine):
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dialect = engine.dialect.dialect_description
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version = engine.dialect.server_version_info
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if dialect.startswith('mysql') and version >= (5, 6, 4):
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return True
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if 'MariaDB' in version and version >= (5, 3):
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return True
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return False
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def upgrade():
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engine = op.get_bind()
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if _check_dbms(engine):
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with op.batch_alter_table('status') as batch_op:
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batch_op.alter_column(
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'created', type_=sa_mysql.DATETIME(fsp=6), nullable=False)
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batch_op.alter_column(
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'updated', type_=sa_mysql.DATETIME(fsp=6), nullable=False)
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def downgrade():
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engine = op.get_bind()
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if _check_dbms(engine):
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with op.batch_alter_table('status') as batch_op:
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batch_op.alter_column(
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'created', type_=sa_mysql.DATETIME(), nullable=False)
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batch_op.alter_column(
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'updated', type_=sa_mysql.DATETIME(), nullable=False)
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