Github user xuchuanyin commented on the issue:
https://github.com/apache/carbondata/pull/2411
The output for explain looks like below:
```
Table Scan on carbon_bloom
- total blocklets: 1
- filter: (((((name <> null and city <> null) and id <> null) and id = 1)
and city = city_1) and name = n1)
- pruned by Main DataMap
- skipped blocklets: 0
- pruned by CG DataMap
- name: AND(AND(datamap11, datamap13), datamap12)
- provider: AND(AND(bloomfilter, bloomfilter), bloomfilter)
- skipped blocklets: 0
```
Before this PR, the output only shows `datamap11`
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