183533b82112_fix_callset_dbarray_mapping_individual_.py 文件源码

def downgrade():
    # Drop trigger
    op.execute(
        'DROP TRIGGER increment_num_rows_in_db_array ON callset_to_db_array_association CASCADE')
    op.drop_column(u'db_array', 'num_rows')
    op.create_table(
        'db_row',
        sa.Column('id', sa.BIGINT(), nullable=False),
        sa.Column('db_array_id', sa.BIGINT(), autoincrement=False, nullable=False),
        sa.Column('tile_row_id', sa.BIGINT(), autoincrement=False, nullable=False),
        sa.ForeignKeyConstraint(['db_array_id'],[u'db_array.id'], name=u'db_row_db_array_id_fkey'),
        sa.PrimaryKeyConstraint('id', name=u'db_row_pkey'))
    op.add_column(
        u'callset',
        sa.Column('individual_id', sa.BIGINT(), autoincrement=False, nullable=False))
    op.add_column(u'callset', sa.Column('dbrow_id', sa.BIGINT(), autoincrement=False, nullable=False))
    op.drop_constraint('callset_source_sample_id_fkey','callset', type_='foreignkey')
    op.drop_constraint('callset_target_sample_id_fkey','callset', type_='foreignkey')
    op.create_foreign_key(u'callset_individual_id_fkey','callset', 'individual', ['individual_id'], ['id'])
    op.create_foreign_key(u'callset_dbrow_id_fkey','callset', 'db_row', ['dbrow_id'], ['id'])
    op.drop_column(u'callset', 'target_sample_id')
    op.drop_column(u'callset', 'source_sample_id')
    op.drop_index('db_array_id_tile_row_id_idx',table_name='callset_to_db_array_association')
    op.drop_table('callset_to_db_array_association')
    op.drop_table('sample')