Github user kirklund commented on a diff in the pull request: https://github.com/apache/geode/pull/565#discussion_r121195985 --- Diff: geode-core/src/main/java/org/apache/geode/cache/query/internal/index/AbstractIndex.java --- @@ -2002,7 +2002,8 @@ void populateListForEquiJoin(List list, Object outerEntries, Object innerEntries */ synchronized void setPdxStringFlag(Object key) { // For Null and Undefined keys do not set the isIndexedPdxKeysFlagSet flag - if (key == null || key == IndexManager.NULL || key == QueryService.UNDEFINED) { + if (isIndexedPdxKeysFlagSet || key == null || key == IndexManager.NULL --- End diff -- Looks like you have two flags for the same thing... isIndexedPdxKeys and isIndexedPdxKeysFlagSet?
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