GitHub user kevinjmh opened a pull request:
https://github.com/apache/carbondata/pull/2711 [CARBONDATA-2929][DataMap] Add block skipped info for explain command
This pr will add block skipped info by counting distinct file path from hit blocklet. It shows like below:
```
|== CarbonData Profiler ==
Table Scan on test
- total: 125 blocks, 250 blocklets
- filter: (l_partkey <> null and l_partkey = 1006)
- pruned by Main DataMap
- skipped: 119 blocks, 238 blocklets
- pruned by CG DataMap
- name: dm
- provider: bloomfilter
- skipped: 6 blocks, 12 blocklets
```
```
|== CarbonData Profiler ==
Table Scan on test
- total: 125 blocks, 250 blocklets
- filter: TEXT_MATCH('l_shipmode:AIR')
- pruned by Main DataMap
- skipped: 0 blocks, 0 blocklets
- pruned by FG DataMap
- name: dm
- provider: lucene
- skipped: 12 blocks, 80 blocklets
```
Be sure to do all of the following checklist to help us incorporate
your contribution quickly and easily:
- [ ] Any interfaces changed?
- [ ] Any backward compatibility impacted?
- [ ] Document update required?
- [ ] Testing done
Please provide details on
- Whether new unit test cases have been added or why no new tests are required?
- How it is tested? Please attach test report.
- Is it a performance related change? Please attach the performance test report.
- Any additional information to help reviewers in testing this change.
- [ ] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
You can merge this pull request into a Git repository by running:
$ git pull
https://github.com/kevinjmh/carbondata explain_block_skip
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/carbondata/pull/2711.patchTo close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #2711
----
commit 0828b4d3f366b666602a3f9db89e862fc9bc0b89
Author: Manhua <kevinjmh@...>
Date: 2018-09-12T03:29:46Z
add block skip info
----
---
Locked
