"""document history explain

Revision ID: 04fee03505ac
Revises: 385af720ae83
Create Date: 2022-04-01 05:40:24.747053

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = '04fee03505ac'
down_revision = '385af720ae83'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###

    op.add_column('cmf_document_history', sa.Column('diff_explain', sa.String(), nullable=True))
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_column('cmf_document_history', 'diff_explain')

    # ### end Alembic commands ###