itschrispeck commented on code in PR #12744:
URL: https://github.com/apache/pinot/pull/12744#discussion_r1558835084
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pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/creator/impl/text/LuceneTextIndexCreator.java:
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@@ -90,14 +102,17 @@ public static HashSet<String>
getDefaultEnglishStopWordsSet() {
* to offline), we close this lucene index writer to release
resources but don't commit.
* @param config the text index config
*/
- public LuceneTextIndexCreator(String column, File segmentIndexDir, boolean
commit, TextIndexConfig config) {
+ public LuceneTextIndexCreator(String column, File segmentIndexDir, boolean
commit, boolean realtimeConversion,
+ @Nullable int[] immutableToMutableIdMap, TextIndexConfig config) {
_textColumn = column;
+
+ // to reuse the mutable index, it must be (1) not the realtime index, and
(2) is realtime segment conversion
Review Comment:
clarified in the code - `LuceneTextIndexCreator` is used for both in
`RealtimeLuceneTextIndex` and separately for the offline lucene text index. We
use the `commit` flag (set only for offline index) to avoid trying to convert
an index if the instance is created by `RealtimeLuceneTextIndex`
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