- Execute "select PART_DT,sum(PRICE) from KYLIN_SALES group by PART_DT"
- Expand "Query String"
- Then click "visualization" to show the chart
- If we choose the "-- choose metrics --" firstly, then we reopen Metrics drop-down box, then we can't see full metric options.
Then I analyse this operation will cause the error "Cannot read property 'index' of null" in visualization page, as follows: