airborne12 opened a new pull request, #422:
URL: https://github.com/apache/doris-thirdparty/pull/422
### What problem does this PR solve?
Issue Number: None
Related PR: #421
Problem Summary:
Pick of #421 to clucene-3.1. `src/ext/for` is a vendored copy of powturbo's
TurboPFor, which is licensed under GPL v2, linked into clucene-core and thereby
into every Doris BE. It is replaced by `CLucene/util/PForCodec.{h,cpp}`, an
independent implementation of the same on-disk block format (bit compatible in
both directions), and `src/ext/for`, the `ic` library target and the `ic` link
dependencies are removed. See #421 for the details, the measurements and the
tests of the codec.
Differences to the original change: none, it applies without a conflict
apart from the removal of `src/ext/for`.
### Release note
Removed the GPL v2 licensed TurboPFor library from the inverted index code.
The index format is unchanged.
### Check List (For Author)
- Test: Unit Test
- Full cl_test (83 tests) built with clang + AVX2 and with g++-11 and
the default options (the unit test job of the CI): all passed.
- Behavior changed: No
- Does this need documentation: No
(cherry picked from commit 5725b460b6b12a6874b171832f9f834ce161b2f4)
🤖 Generated with [Claude Code](https://claude.com/claude-code)
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