55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
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"""Add is_event_assignment and event_id to assignments for Common Enemy support
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Revision ID: 007_add_event_assignment_fields
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Revises: 006_add_swap_requests
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Create Date: 2024-12-15
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"""
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from typing import Sequence, Union
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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: str = '007_add_event_assignment_fields'
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down_revision: Union[str, None] = '006_add_swap_requests'
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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# Add is_event_assignment column with default False
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conn = op.get_bind()
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inspector = sa.inspect(conn)
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columns = [col['name'] for col in inspector.get_columns('assignments')]
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if 'is_event_assignment' not in columns:
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op.add_column(
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'assignments',
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sa.Column('is_event_assignment', sa.Boolean(), nullable=False, server_default=sa.false())
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)
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op.create_index('ix_assignments_is_event_assignment', 'assignments', ['is_event_assignment'])
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if 'event_id' not in columns:
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op.add_column(
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'assignments',
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sa.Column('event_id', sa.Integer(), nullable=True)
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)
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op.create_foreign_key(
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'fk_assignments_event_id',
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'assignments',
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'events',
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['event_id'],
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['id'],
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ondelete='SET NULL'
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)
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op.create_index('ix_assignments_event_id', 'assignments', ['event_id'])
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def downgrade() -> None:
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op.drop_index('ix_assignments_event_id', table_name='assignments')
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op.drop_constraint('fk_assignments_event_id', 'assignments', type_='foreignkey')
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op.drop_column('assignments', 'event_id')
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op.drop_index('ix_assignments_is_event_assignment', table_name='assignments')
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op.drop_column('assignments', 'is_event_assignment')
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