"""adding gel image, info

Revision ID: c4201b0ea9fe
Revises: 70d5a751f579
Create Date: 2024-01-30 08:42:03.928933

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'c4201b0ea9fe'
down_revision = '70d5a751f579'
branch_labels = None
depends_on = None


def upgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('_submissionsampleassociation', schema=None) as batch_op:
        batch_op.create_unique_constraint("unique_ssa_id", ['id'])

    with op.batch_alter_table('_wastewaterassociation', schema=None) as batch_op:
        batch_op.alter_column('id',
               existing_type=sa.INTEGER(),
               nullable=False)

    # ### end Alembic commands ###


def downgrade() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('_wastewaterassociation', schema=None) as batch_op:
        batch_op.alter_column('id',
               existing_type=sa.INTEGER(),
               nullable=True)

    with op.batch_alter_table('_submissionsampleassociation', schema=None) as batch_op:
        batch_op.drop_constraint("unique_ssa_id", type_='unique')

    # ### end Alembic commands ###