"""empty message

Revision ID: 3b3e7f8dd32f
Revises: e0addf88b922
Create Date: 2025-10-22 23:47:18.790303

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '3b3e7f8dd32f'
down_revision = 'e0addf88b922'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('sys_dept', schema=None) as batch_op:
        batch_op.alter_column('parent_id',
               existing_type=sa.VARCHAR(length=36),
               nullable=True)

    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('sys_dept', schema=None) as batch_op:
        batch_op.alter_column('parent_id',
               existing_type=sa.VARCHAR(length=36),
               nullable=False)

    # ### end Alembic commands ###