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53 lines
1.9 KiB
Python
53 lines
1.9 KiB
Python
"""empty message
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Revision ID: 1e38aa77a491
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Revises: 452dd0f0b578
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Create Date: 2024-07-04 22:40:35.056744
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"""
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from alembic import op
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import sqlalchemy as sa
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# revision identifiers, used by Alembic.
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revision = '1e38aa77a491'
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down_revision = '452dd0f0b578'
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branch_labels = None
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depends_on = None
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bind = op.get_context().bind
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insp = sa.inspect(bind)
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tables = insp.get_table_names()
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sqlite = bind.engine.name == 'sqlite'
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def column_exists(table_name, column_name):
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columns = insp.get_columns(table_name)
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return any(c["name"] == column_name for c in columns)
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def upgrade():
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if not column_exists('table_history', 'upgradedFromId'):
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with op.batch_alter_table('table_history', schema=None) as batch_op:
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batch_op.add_column(sa.Column('upgradedFromId', sa.Integer(), nullable=True))
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batch_op.create_foreign_key(constraint_name='fk_history_upgradedFromId_id',
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referent_table='table_history',
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local_cols=['upgradedFromId'],
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remote_cols=['id'])
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if not column_exists('table_history_movie', 'upgradedFromId'):
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with op.batch_alter_table('table_history_movie', schema=None) as batch_op:
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batch_op.add_column(sa.Column('upgradedFromId', sa.Integer(), nullable=True))
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batch_op.create_foreign_key(constraint_name='fk_history_movie_upgradedFromId_id',
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referent_table='table_history_movie',
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local_cols=['upgradedFromId'],
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remote_cols=['id'])
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if not column_exists('table_languages_profiles', 'tag'):
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with op.batch_alter_table('table_languages_profiles', schema=None) as batch_op:
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batch_op.add_column(sa.Column('tag', sa.Text(), nullable=True))
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def downgrade():
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pass
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