93 lines
3.0 KiB
Python
93 lines
3.0 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Remove Branch, Milestone tables
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Revision ID: 008
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Revises: 007
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Create Date: 2014-03-19 15:00:39.149963
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"""
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# revision identifiers, used by Alembic.
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revision = '008'
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down_revision = '007'
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from alembic import op
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import sqlalchemy as sa
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MYSQL_ENGINE = 'InnoDB'
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MYSQL_CHARSET = 'utf8'
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def _define_enums():
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branch_status = sa.Enum(
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'master', 'release', 'stable', 'unsupported',
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name='branch_status')
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return {
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'branch_status': branch_status
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}
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def upgrade(active_plugins=None, options=None):
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op.drop_constraint('tasks_ibfk_2',
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'tasks', type_='foreignkey')
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op.drop_column('tasks', 'milestone_id')
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op.drop_table('milestones')
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op.drop_table('branches')
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# Need to explicitly delete enums during migrations for Postgres
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enums = _define_enums()
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for enum in enums.values():
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enum.drop(op.get_bind())
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def downgrade(active_plugins=None, options=None):
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enums = _define_enums()
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op.create_table(
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'branches',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=True),
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sa.Column('updated_at', sa.DateTime(), nullable=True),
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sa.Column('name', sa.String(length=50), nullable=True),
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sa.Column('status', enums['branch_status'], nullable=True),
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sa.Column('release_date', sa.DateTime(), nullable=True),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('name', name='uniq_branch_name'),
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mysql_engine=MYSQL_ENGINE,
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mysql_charset=MYSQL_CHARSET
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)
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op.create_table(
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'milestones',
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sa.Column('id', sa.Integer(), nullable=False),
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sa.Column('created_at', sa.DateTime(), nullable=True),
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sa.Column('updated_at', sa.DateTime(), nullable=True),
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sa.Column('name', sa.String(length=50), nullable=True),
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sa.Column('branch_id', sa.Integer(), nullable=True),
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sa.Column('released', sa.Boolean(), nullable=True),
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sa.Column('undefined', sa.Boolean(), nullable=True),
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sa.ForeignKeyConstraint(['branch_id'], ['branches.id'], ),
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sa.PrimaryKeyConstraint('id'),
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sa.UniqueConstraint('name', name='uniq_milestone_name'),
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mysql_engine=MYSQL_ENGINE,
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mysql_charset=MYSQL_CHARSET
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)
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op.add_column('tasks', sa.Column('milestone_id',
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sa.Integer(),
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nullable=True))
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op.create_foreign_key('tasks_ibfk_2', 'tasks',
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'milestones', ['milestone_id'], ['id'])
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