"""empty message

Revision ID: 71a988ebf4ca
Revises: 59e9cc09899a
Create Date: 2017-04-22 20:00:57.767251

"""

# revision identifiers, used by Alembic.
revision = "71a988ebf4ca"
down_revision = "59e9cc09899a"

from alembic import op
import sqlalchemy as sa


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.create_index(
        op.f("ix_recommended_author_id"), "recommended", ["author_id"], unique=True
    )
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f("ix_recommended_author_id"), table_name="recommended")
    # ### end Alembic commands ###
