"""Fix audit_log target_id column type

Revision ID: fix_audit_log_target_id
Revises: 0229eff75603
Create Date: 2024-11-21 10:35:00.000000

"""
from alembic import op
import sqlalchemy as sa

# revision identifiers
revision = 'fix_audit_log_target_id'
down_revision = '0229eff75603'
branch_labels = None
depends_on = None

def upgrade():
    """修改审计日志表的target_id字段类型"""
    # 修改 target_id 字段类型从 INTEGER 到 VARCHAR(32)
    op.alter_column('audit_log', 'target_id',
                    existing_type=sa.Integer(),
                    type_=sa.String(length=32),
                    existing_nullable=True)

def downgrade():
    """恢复审计日志表的target_id字段类型"""
    # 修改 target_id 字段类型从 VARCHAR(32) 到 INTEGER
    op.alter_column('audit_log', 'target_id',
                    existing_type=sa.String(length=32),
                    type_=sa.Integer(),
                    existing_nullable=True)