"""消息记录 parser 版本

Revision ID: 4cc407ec8268
Revises: 140fe7181a6e
Create Date: 2026-09-10 11:24:51.731097

"""
from collections.abc import Sequence

import sqlalchemy as sa

from alembic import op

# revision identifiers, used by Alembic.
revision: str = '4cc407ec8268'
down_revision: str | Sequence[str] | None = '140fe7181a6e'
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None


def upgrade() -> None:
    """Upgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('message', sa.Column('parser_version', sa.String(), nullable=True))
    # ### end Alembic commands ###


def downgrade() -> None:
    """Downgrade schema."""
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('message', 'parser_version')
    # ### end Alembic commands ###