81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
"""add signal planner fields
|
|
|
|
Revision ID: add_signal_planner_fields
|
|
Revises: expand_user_workload_ratio_precision
|
|
Create Date: 2026-03-12
|
|
"""
|
|
|
|
from __future__ import annotations
|
|
|
|
from alembic import op
|
|
import sqlalchemy as sa
|
|
|
|
|
|
revision = "add_signal_planner_fields"
|
|
down_revision = "expand_user_workload_ratio_precision"
|
|
branch_labels = None
|
|
depends_on = None
|
|
|
|
|
|
def _table_exists(bind, table_name: str) -> bool:
|
|
return sa.inspect(bind).has_table(table_name)
|
|
|
|
|
|
def _column_exists(bind, table_name: str, column_name: str) -> bool:
|
|
inspector = sa.inspect(bind)
|
|
if not inspector.has_table(table_name):
|
|
return False
|
|
for column in inspector.get_columns(table_name):
|
|
if str(column.get("name") or "") == column_name:
|
|
return True
|
|
return False
|
|
|
|
|
|
def _index_exists(bind, table_name: str, index_name: str) -> bool:
|
|
inspector = sa.inspect(bind)
|
|
if not inspector.has_table(table_name):
|
|
return False
|
|
return any(str(item.get("name") or "") == index_name for item in inspector.get_indexes(table_name))
|
|
|
|
|
|
def upgrade() -> None:
|
|
bind = op.get_bind()
|
|
if not _table_exists(bind, "signals"):
|
|
return
|
|
|
|
with op.batch_alter_table("signals") as batch_op:
|
|
if not _column_exists(bind, "signals", "planner_status"):
|
|
batch_op.add_column(
|
|
sa.Column(
|
|
"planner_status",
|
|
sa.String(length=20),
|
|
nullable=False,
|
|
server_default="pending",
|
|
)
|
|
)
|
|
if not _column_exists(bind, "signals", "planner_analyzed_at"):
|
|
batch_op.add_column(sa.Column("planner_analyzed_at", sa.TIMESTAMP(), nullable=True))
|
|
if not _column_exists(bind, "signals", "planner_assignee_user_id"):
|
|
batch_op.add_column(sa.Column("planner_assignee_user_id", sa.BigInteger(), nullable=True))
|
|
|
|
if not _index_exists(bind, "signals", "ix_signals_planner_status"):
|
|
op.create_index("ix_signals_planner_status", "signals", ["planner_status"])
|
|
|
|
|
|
|
|
def downgrade() -> None:
|
|
bind = op.get_bind()
|
|
if not _table_exists(bind, "signals"):
|
|
return
|
|
|
|
if _index_exists(bind, "signals", "ix_signals_planner_status"):
|
|
op.drop_index("ix_signals_planner_status", table_name="signals")
|
|
|
|
with op.batch_alter_table("signals") as batch_op:
|
|
if _column_exists(bind, "signals", "planner_assignee_user_id"):
|
|
batch_op.drop_column("planner_assignee_user_id")
|
|
if _column_exists(bind, "signals", "planner_analyzed_at"):
|
|
batch_op.drop_column("planner_analyzed_at")
|
|
if _column_exists(bind, "signals", "planner_status"):
|
|
batch_op.drop_column("planner_status")
|