A R R R Associates
61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Work tracker Phase 4B internal target dates
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Revision ID: 20260506_work_tracker_phase_4b
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Revises: 20260505_renewal_before_expiry_due_dates
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Create Date: 2026-05-03
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"""
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from __future__ import annotations
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from alembic import op
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import sqlalchemy as sa
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revision = "20260506_work_tracker_phase_4b"
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down_revision = "20260505_renewal_before_expiry_due_dates"
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branch_labels = None
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depends_on = None
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def _table_columns(table_name: str) -> set[str]:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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try:
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return {column["name"] for column in inspector.get_columns(table_name)}
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except Exception:
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return set()
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def _index_names(table_name: str) -> set[str]:
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bind = op.get_bind()
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inspector = sa.inspect(bind)
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try:
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return {index["name"] for index in inspector.get_indexes(table_name) if index.get("name")}
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except Exception:
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return set()
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def upgrade() -> None:
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columns = _table_columns("client_service_task_instances")
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if "internal_target_date" not in columns:
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op.add_column("client_service_task_instances", sa.Column("internal_target_date", sa.Date(), nullable=True))
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indexes = _index_names("client_service_task_instances")
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if "ix_client_service_task_instances_internal_target_date" not in indexes:
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op.create_index(
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"ix_client_service_task_instances_internal_target_date",
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"client_service_task_instances",
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["internal_target_date"],
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unique=False,
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)
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def downgrade() -> None:
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indexes = _index_names("client_service_task_instances")
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if "ix_client_service_task_instances_internal_target_date" in indexes:
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op.drop_index("ix_client_service_task_instances_internal_target_date", table_name="client_service_task_instances")
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columns = _table_columns("client_service_task_instances")
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if "internal_target_date" in columns:
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op.drop_column("client_service_task_instances", "internal_target_date")
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