"""ticket.thread_id -> nullable.

Revision ID: 756210f564a5
Revises: d872dba3da66
Create Date: 2026-04-06 21:43:17.136851

"""

from typing import Sequence, Union

from alembic import op
import sqlalchemy as sa

# revision identifiers, used by Alembic.
revision: str = "756210f564a5"
down_revision: Union[str, Sequence[str], None] = "d872dba3da66"
branch_labels: Union[str, Sequence[str], None] = None
depends_on: Union[str, Sequence[str], None] = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column("tickets", "thread_id", existing_type=sa.BIGINT(), nullable=True)
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column("tickets", "thread_id", existing_type=sa.BIGINT(), nullable=False)
    # ### end Alembic commands ###