"""Add reversible task clearing

Revision ID: 5ad737bbca5e
Revises: f9ae19443d53
Create Date: 2026-08-08 03:11:59.276494

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '5ad737bbca5e'
down_revision = 'f9ae19443d53'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('task', schema=None) as batch_op:
        batch_op.add_column(sa.Column('cleared_at', sa.DateTime(), nullable=True))
        batch_op.add_column(sa.Column('clear_batch_id', sa.String(length=36), nullable=True))
        batch_op.create_index(batch_op.f('ix_task_clear_batch_id'), ['clear_batch_id'], unique=False)

    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('task', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_task_clear_batch_id'))
        batch_op.drop_column('clear_batch_id')
        batch_op.drop_column('cleared_at')

    # ### end Alembic commands ###