[GitHub] [jackrabbit-oak] gnaresh19 commented on a diff in pull request #684: [Oak 9919] Add support for zstd, zlib to document store with mongodb

[GitBox]

gnaresh19 commented on code in PR #684:
URL: https://github.com/apache/jackrabbit-oak/pull/684#discussion_r963796623


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oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/mongo/MongoDocumentStore.java:
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@@ -383,16 +393,17 @@ private MongoDBConnection 
getOrCreateClusterNodesConnection(@NotNull MongoDocume
         return mc;
     }
 
-    private void ensureIndexes(@NotNull MongoStatus mongoStatus) {
+    private void ensureIndexes(MongoDatabase db, @NotNull MongoStatus 
mongoStatus) {
         // reading documents in the nodes collection and checking
         // existing indexes is performed against the MongoDB primary
         // this ensures the information is up-to-date and accurate
         boolean emptyNodesCollection = execute(session -> 
MongoUtils.isCollectionEmpty(nodes, session), Collection.NODES);
-
+        createCollection(db, Collection.NODES.toString(), mongoStatus);

Review Comment:
   This method performs:
   - if collection exists (empty or with data), skips creating new collection
   - else, creates collection per collection config



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