"""change attr nullable field parent

Revision ID: 187d220f2d60
Revises: e79b3dae4a76
Create Date: 2025-08-04 11:14:24.338451

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '187d220f2d60'
down_revision = 'e79b3dae4a76'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('cmf_rep_line_chart_row', 'parent_id',
               existing_type=sa.VARCHAR(length=64),
               nullable=True)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('cmf_rep_line_chart_row', 'parent_id',
               existing_type=sa.VARCHAR(length=64),
               nullable=False)
    # ### end Alembic commands ###