"""Align new document defaults; existing documents stay stale until rebuilt.

Revision ID: 0007
Revises: 0006
"""
from alembic import op

revision = "0007"
down_revision = "0006"
branch_labels = None
depends_on = None


def upgrade():
    with op.batch_alter_table("knowledge_documents") as batch:
        batch.alter_column("index_version", server_default="4")


def downgrade():
    with op.batch_alter_table("knowledge_documents") as batch:
        batch.alter_column("index_version", server_default="1")