47 lines
1.1 KiB
Python
47 lines
1.1 KiB
Python
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"""Add the remote_git entry
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Revision ID: 257a7ce22682
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Revises: 36116bb7a69b
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Create Date: 2015-07-21 14:26:23.989220
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"""
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# revision identifiers, used by Alembic.
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revision = '257a7ce22682'
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down_revision = '36116bb7a69b'
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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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''' Add the column remote_git to the table pull_requests and make the
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project_id_from field nullable.
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'''
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op.add_column(
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'pull_requests',
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sa.Column('remote_git', sa.Text, nullable=True)
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)
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op.alter_column(
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'pull_requests',
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column_name='project_id_from',
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nullable=True,
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existing_nullable=False)
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op.create_check_constraint(
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"ck_lcl_or_remo_pr",
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"pull_requests",
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'NOT(project_id_from IS NULL AND remote_git IS NULL)'
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)
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def downgrade():
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''' Remove the column remote_git from the table pull_requests and make
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the project_id_from field not nullable.
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'''
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op.drop_column('pull_requests', 'remote_git')
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op.alter_column(
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'pull_requests',
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column_name='project_id_from',
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nullable=False,
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existing_nullable=True)
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