[GitHub] [jackrabbit-oak] stefan-egli commented on a change in pull request #299: OAK-9471 - Query for split documents by Revision GC times out

[GitBox <gi...@apache.org>]

stefan-egli commented on a change in pull request #299:
URL: https://github.com/apache/jackrabbit-oak/pull/299#discussion_r683417839



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File path: oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoVersionGCSupport.java
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@@ -127,6 +128,13 @@ protected SplitDocumentCleanUp createCleanUp(Set<SplitDocType> gcTypes,
         // With OAK-8351 this switched from 1 to 2 queries (see createQueries)
         // hence we iterate over the queries returned by createQueries
         List<Bson> queries = createQueries(gcTypes, sweepRevs, oldestRevTimeStamp);
+        BasicDBObject keys = null;
+        if(hasIndex(getNodeCollection(), SD_TYPE, SD_MAX_REV_TIME_IN_SECS)) {
+           keys = new BasicDBObject();
+           keys.put(SD_TYPE,1);
+           keys.put(SD_MAX_REV_TIME_IN_SECS, 1);
+        }
+

Review comment:
       Marking this as resolved as the hint is now created in the constructor




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