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letta-server/alembic/versions/7f652fdd3dba_change_jobmessage_unique_constraint_to_.py
Kian Jones b8e9a80d93 merge this (#4759)
* wait I forgot to comit locally

* cp the entire core directory and then rm the .git subdir
2025-09-17 15:47:40 -07:00

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Python

"""change JobMessage unique constraint to (job_id,message_id)
Revision ID: 7f652fdd3dba
Revises: 22a6e413d89c
Create Date: 2025-01-13 14:36:13.626344
"""
from typing import Sequence, Union
from alembic import op
from letta.settings import settings
# revision identifiers, used by Alembic.
revision: str = "7f652fdd3dba"
down_revision: Union[str, None] = "22a6e413d89c"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None
def upgrade() -> None:
# Skip this migration for SQLite
if not settings.letta_pg_uri_no_default:
return
# Drop the old unique constraint
op.drop_constraint("uq_job_messages_message_id", "job_messages", type_="unique")
# Add the new composite unique constraint
op.create_unique_constraint("unique_job_message", "job_messages", ["job_id", "message_id"])
def downgrade() -> None:
# Skip this migration for SQLite
if not settings.letta_pg_uri_no_default:
return
# Drop the new composite constraint
op.drop_constraint("unique_job_message", "job_messages", type_="unique")
# Restore the old unique constraint
op.create_unique_constraint("uq_job_messages_message_id", "job_messages", ["message_id"])