huberylee opened a new pull request, #6677:
URL: https://github.com/apache/hudi/pull/6677
### Change Logs
Introducing a new action type called build to actually perform index data
generation. This action contains two steps as clustering action does:
- Generate action plan to clarify which files and which indexes need to be
built;
- Execute build index according action plan generated by step one;
Call procedure will be implemented as well to show or run build action.
Classes in package ``org.apache.hudi.secondary.index.lucene.hadoop`` were
copied from package ``org.apache.solr.hdfs.store`` in Apache Solr project.
### Impact
User can use ``call show_build(table=> '$table'[, path => $path], limit =>
$limit, show_involved_partition => [true/false])`` to list build commits,
use``call run_build(table => '$table'[, path => $path], predicate =>
'$predicate', show_involved_partition => [true/false])`` to trigger new build
action if conditions are satisfied.
**Risk level: none | low | medium | high**
_Choose one. If medium or high, explain what verification was done to
mitigate the risks._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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