"""add year

Revision ID: 9b802c489174
Revises: 72cf3e7ce522
Create Date: 2022-02-13 19:05:06.565340

"""
from alembic import op
import sqlalchemy as sa
import sqlmodel   # NEW


# revision identifiers, used by Alembic.
revision = '9b802c489174'
down_revision = '72cf3e7ce522'
branch_labels = None
depends_on = None


def upgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.add_column('song', sa.Column('year', sa.Integer(), nullable=True))
    op.create_index(op.f('ix_song_year'), 'song', ['year'], unique=False)
    # ### end Alembic commands ###


def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.drop_index(op.f('ix_song_year'), table_name='song')
    op.drop_column('song', 'year')
    # ### end Alembic commands ###