61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
"""Change the status of pull_requests
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Revision ID: 298891e63039
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Revises: 3c25e14b855b
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Create Date: 2015-06-08 13:06:11.938966
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"""
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# revision identifiers, used by Alembic.
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revision = '298891e63039'
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down_revision = '3c25e14b855b'
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from alembic import op
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import sqlalchemy as sa
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def upgrade():
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''' Adjust the status column of the pull_requests table.
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'''
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op.add_column(
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'pull_requests',
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sa.Column(
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'_status', sa.Text,
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sa.ForeignKey(
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'status_pull_requests.status', onupdate='CASCADE'),
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default='Open',
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nullable=True)
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)
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op.execute('''UPDATE "pull_requests" '''
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'''SET _status='Open' WHERE status=TRUE;''')
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op.execute('''UPDATE "pull_requests" '''
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'''SET _status='Merged' WHERE status=FALSE;''')
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op.drop_column('pull_requests', 'status')
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op.alter_column(
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'pull_requests',
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column_name='_status', new_column_name='status',
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nullable=False, existing_nullable=True)
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def downgrade():
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''' Revert the status column of the pull_requests table.
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'''
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op.add_column(
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'pull_requests',
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sa.Column(
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'_status', sa.Boolean, default=True, nullable=True)
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)
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op.execute('''UPDATE "pull_requests" '''
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'''SET _status=TRUE WHERE status='Open';''')
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op.execute('''UPDATE "pull_requests" '''
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'''SET _status=FALSE WHERE status!='Open';''')
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op.drop_column('pull_requests', 'status')
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op.alter_column(
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'pull_requests',
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column_name='_status', new_column_name='status',
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nullable=False, existing_nullable=True)
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