"""Index for notesolours substring

Revision ID: c76e865ccb85
Revises: 33c04e3c12c8
Create Date: 2025-02-07 18:21:01.760057

"""
from alembic import op
import sqlalchemy as sa


# revision identifiers, used by Alembic.
revision = 'c76e865ccb85'
down_revision = '33c04e3c12c8'
branch_labels = None
depends_on = None


def upgrade(engine_name: str) -> None:
    globals()["upgrade_%s" % engine_name]()


def downgrade(engine_name: str) -> None:
    globals()["downgrade_%s" % engine_name]()





def upgrade_() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('notecolours', schema=None) as batch_op:
        batch_op.create_index(batch_op.f('ix_notecolours_substring'), ['substring'], unique=False)

    with op.batch_alter_table('playdates', schema=None) as batch_op:
        batch_op.drop_constraint('fk_playdates_track_id_tracks', type_='foreignkey')
        batch_op.create_foreign_key(None, 'tracks', ['track_id'], ['id'], ondelete='CASCADE')

    with op.batch_alter_table('playlist_rows', schema=None) as batch_op:
        batch_op.drop_constraint('playlist_rows_ibfk_1', type_='foreignkey')
        batch_op.create_foreign_key(None, 'tracks', ['track_id'], ['id'], ondelete='CASCADE')

    with op.batch_alter_table('queries', schema=None) as batch_op:
        batch_op.drop_constraint('fk_queries_playlist_id_playlists', type_='foreignkey')
        batch_op.create_foreign_key(None, 'playlists', ['playlist_id'], ['id'], ondelete='CASCADE')

    # ### end Alembic commands ###


def downgrade_() -> None:
    # ### commands auto generated by Alembic - please adjust! ###
    with op.batch_alter_table('queries', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.create_foreign_key('fk_queries_playlist_id_playlists', 'playlists', ['playlist_id'], ['id'])

    with op.batch_alter_table('playlist_rows', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.create_foreign_key('playlist_rows_ibfk_1', 'tracks', ['track_id'], ['id'])

    with op.batch_alter_table('playdates', schema=None) as batch_op:
        batch_op.drop_constraint(None, type_='foreignkey')
        batch_op.create_foreign_key('fk_playdates_track_id_tracks', 'tracks', ['track_id'], ['id'])

    with op.batch_alter_table('notecolours', schema=None) as batch_op:
        batch_op.drop_index(batch_op.f('ix_notecolours_substring'))

    # ### end Alembic commands ###