def downgrade()

in backend/migrations/versions/91ab03eea364_add_postgres_columns.py [0:0]

• 24 lines of code
• 1 McCabe index (conditional complexity)

def downgrade():
    # ### commands auto generated by Alembic - please adjust! ###
    op.alter_column('source_dbs', 'db_size',
               existing_type=sa.NUMERIC(),
               nullable=False)
    op.alter_column('source_dbs', 'allocated_memory',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.alter_column('source_dbs', 'ram',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.alter_column('source_dbs', 'cores',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.alter_column('source_dbs', 'arch',
               existing_type=sa.VARCHAR(),
               nullable=False)
    op.alter_column('source_dbs', 'oracle_version',
               existing_type=sa.VARCHAR(),
               nullable=False)
    op.drop_column('source_dbs', 'db_engine')
    op.alter_column('operation_details', 'mapping_id',
               existing_type=sa.INTEGER(),
               nullable=False)
    op.drop_column('configs', 'dms_config_values')