"""add new constraint

Revision ID: c6adea9a4689
Revises: c29216b0b978
Create Date: 2024-05-15 22:50:12.058947

"""
from alembic import op
import sqlalchemy as sa
from sqlalchemy.dialects import mysql

# revision identifiers, used by Alembic.
revision = 'c6adea9a4689'
down_revision = 'c29216b0b978'
branch_labels = None
depends_on = None


def upgrade():
    with op.batch_alter_table('image_corpus', schema=None) as batch_op:
        batch_op.create_unique_constraint(None, ['slug'])


def downgrade():
    with op.batch_alter_table('image_corpus', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='unique')