62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
"""add task breakdown payload fields
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Revision ID: 20260326_add_task_breakdown_payload_fields
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Revises: add_project_create_idempotency_indexes
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Create Date: 2026-03-26
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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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try:
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from sqlalchemy.dialects.postgresql import JSONB
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except Exception: # pragma: no cover
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JSONB = sa.JSON
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revision = "20260326_add_task_breakdown_payload_fields"
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down_revision = "add_project_create_idempotency_indexes"
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branch_labels = None
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depends_on = None
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def _json_type(bind):
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return JSONB() if bind.dialect.name == "postgresql" else sa.JSON()
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def _table_exists(bind, table_name: str) -> bool:
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return sa.inspect(bind).has_table(table_name)
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def _column_exists(bind, table_name: str, column_name: str) -> bool:
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inspector = sa.inspect(bind)
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if not inspector.has_table(table_name):
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return False
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return any(str(item.get("name") or "") == column_name for item in inspector.get_columns(table_name))
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def upgrade() -> None:
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bind = op.get_bind()
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table_name = "tasks"
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if not _table_exists(bind, table_name):
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return
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if not _column_exists(bind, table_name, "ai_breakdown_payload"):
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op.add_column(table_name, sa.Column("ai_breakdown_payload", _json_type(bind), nullable=True))
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if not _column_exists(bind, table_name, "manual_overrides"):
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op.add_column(table_name, sa.Column("manual_overrides", _json_type(bind), nullable=True))
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def downgrade() -> None:
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bind = op.get_bind()
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table_name = "tasks"
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if not _table_exists(bind, table_name):
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return
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if _column_exists(bind, table_name, "manual_overrides"):
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op.drop_column(table_name, "manual_overrides")
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if _column_exists(bind, table_name, "ai_breakdown_payload"):
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op.drop_column(table_name, "ai_breakdown_payload")
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