31 lines
757 B
Python
31 lines
757 B
Python
"""add scratchpad to sessions
|
|
|
|
Revision ID: 009
|
|
Revises: 4cdb5cba1aff
|
|
Create Date: 2026-02-04
|
|
|
|
"""
|
|
from typing import Sequence, Union
|
|
|
|
from alembic import op
|
|
import sqlalchemy as sa
|
|
|
|
|
|
# revision identifiers, used by Alembic.
|
|
revision: str = '009'
|
|
down_revision: Union[str, None] = '4cdb5cba1aff'
|
|
branch_labels: Union[str, Sequence[str], None] = None
|
|
depends_on: Union[str, Sequence[str], None] = None
|
|
|
|
|
|
def upgrade() -> None:
|
|
op.add_column('sessions',
|
|
sa.Column('scratchpad', sa.Text(), nullable=True, server_default=sa.text("''"))
|
|
)
|
|
# Backfill existing rows to empty string (not NULL)
|
|
op.execute("UPDATE sessions SET scratchpad = '' WHERE scratchpad IS NULL")
|
|
|
|
|
|
def downgrade() -> None:
|
|
op.drop_column('sessions', 'scratchpad')
|