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"""add cascade delete to foreign key constraints |
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Revision ID: add_cascade_delete |
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Revises: 67d8fbce85bb |
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Create Date: 2025-12-27 21:30:00.000000 |
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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 = 'add_cascade_delete' |
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down_revision = '67d8fbce85bb' |
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branch_labels = None |
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depends_on = None |
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def upgrade(): |
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# SQLite doesn't support ALTER TABLE for foreign keys, so we need to recreate tables |
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# We'll use batch operations which handle the table recreation for us |
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with op.batch_alter_table('user', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_user_account_owner', 'user', ['account_owner_id'], ['id'], ondelete='CASCADE') |
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with op.batch_alter_table('balance', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_balance_user', 'user', ['user_id'], ['id'], ondelete='CASCADE') |
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with op.batch_alter_table('email', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_email_user', 'user', ['user_id'], ['id'], ondelete='CASCADE') |
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with op.batch_alter_table('hold', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_hold_user', 'user', ['user_id'], ['id'], ondelete='CASCADE') |
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with op.batch_alter_table('schedule', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_schedule_user', 'user', ['user_id'], ['id'], ondelete='CASCADE') |
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with op.batch_alter_table('skip', schema=None) as batch_op: |
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batch_op.drop_constraint(None, type_='foreignkey') |
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batch_op.create_foreign_key('fk_skip_user', 'user', ['user_id'], ['id'], ondelete='CASCADE') |
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def downgrade(): |
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# Revert to foreign keys without cascade delete |
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with op.batch_alter_table('skip', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_skip_user', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['user_id'], ['id']) |
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with op.batch_alter_table('schedule', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_schedule_user', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['user_id'], ['id']) |
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with op.batch_alter_table('hold', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_hold_user', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['user_id'], ['id']) |
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with op.batch_alter_table('email', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_email_user', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['user_id'], ['id']) |
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with op.batch_alter_table('balance', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_balance_user', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['user_id'], ['id']) |
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with op.batch_alter_table('user', schema=None) as batch_op: |
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batch_op.drop_constraint('fk_user_account_owner', type_='foreignkey') |
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batch_op.create_foreign_key(None, 'user', ['account_owner_id'], ['id']) |
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whahn1983 /
pycashflow
