| # Inverted Index — Review Guide |
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| ## Lifecycle |
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| - [ ] Field declaration order preserves `_dir` before `_index_writer` lifetime dependency? |
| - [ ] Cache-facing code uses `InvertedIndexCacheHandle` over raw handles for paired release/retention? |
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| ## CLucene Boundary |
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| CLucene uses `ErrorContext` + local FINALLY helpers, not Doris exception flow. |
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| - [ ] New CLucene integrations use `ErrorContext` + `FINALLY` / `FINALLY_CLOSE` / `FINALLY_EXCEPTION`, not ad hoc try/catch? |
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| ## Three-Valued Logic Bitmap |
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| - [ ] Bitmap logic preserves SQL three-valued semantics across `_data_bitmap` and `_null_bitmap`? |
| - [ ] `op_not` is `const` in signature but mutates shared state — callers handle this? |
