How to rename metric column name in superset

If you want to change each column by hands, follow this,

In your Slices,

1. select slice

2. click editing data resource button

3. click List Metrics

4. change Verbose name

Else if you want to change all column name, use sqlite,

superset uses sqlite to save their meta information and that file is located in ~/.superset/superset.db

open this file using sqlite GUI tool, and use replace function. replcae(field, 'origin', 'replacement')

example) update  sql_metrics set verbose_name = replace(verbose_name, 'sum__', '') where table_id = 4