PMFlow/backend/alembic/versions/20260505_add_pmflow_changes...

46 lines
1.7 KiB
Python

"""add pmflow changeset committer
Revision ID: 20260505_add_pmflow_changeset_committer
Revises: 20260503_add_pmflow_ai_feedback_events
Create Date: 2026-05-05
"""
from __future__ import annotations
from alembic import op
import sqlalchemy as sa
revision = "20260505_add_pmflow_changeset_committer"
down_revision = "20260503_add_pmflow_ai_feedback_events"
branch_labels = None
depends_on = None
def _column_exists(bind, table_name: str, column_name: str) -> bool:
if not sa.inspect(bind).has_table(table_name):
return False
return any(column["name"] == column_name for column in sa.inspect(bind).get_columns(table_name))
def _index_exists(bind, table_name: str, index_name: str) -> bool:
if not sa.inspect(bind).has_table(table_name):
return False
return any(index["name"] == index_name for index in sa.inspect(bind).get_indexes(table_name))
def upgrade() -> None:
bind = op.get_bind()
if not _column_exists(bind, "pmflow_change_sets", "committed_by"):
op.add_column("pmflow_change_sets", sa.Column("committed_by", sa.BigInteger(), sa.ForeignKey("users.id"), nullable=True))
if not _index_exists(bind, "pmflow_change_sets", "ix_pmflow_change_sets_committed_by"):
op.create_index("ix_pmflow_change_sets_committed_by", "pmflow_change_sets", ["committed_by"], unique=False)
def downgrade() -> None:
bind = op.get_bind()
if _index_exists(bind, "pmflow_change_sets", "ix_pmflow_change_sets_committed_by"):
op.drop_index("ix_pmflow_change_sets_committed_by", table_name="pmflow_change_sets")
if _column_exists(bind, "pmflow_change_sets", "committed_by"):
op.drop_column("pmflow_change_sets", "committed_by")