reschke commented on code in PR #1317:
URL: https://github.com/apache/jackrabbit-oak/pull/1317#discussion_r1506010020


##########
oak-store-document/src/main/java/org/apache/jackrabbit/oak/plugins/document/Commit.java:
##########
@@ -354,6 +358,39 @@ private void applyToDocumentStore(RevisionVector 
baseBranchRevision)
         boolean commitRootHasChanges = operations.containsKey(commitRootPath);
         for (UpdateOp op : operations.values()) {
             NodeDocument.setCommitRoot(op, revision, commitRootDepth);
+
+            // special case for :childOrder updates
+            if (nodeStore.isChildOrderCleanupEnabled()) {
+                final Branch localBranch = getBranch();
+                if (localBranch != null) {
+                    final NavigableSet<Revision> commits = new 
TreeSet<>(localBranch.getCommits());
+                    boolean removePreviousSetOperations = false;
+                    for (Map.Entry<Key, Operation> change : 
op.getChanges().entrySet()) {
+                        if (":childOrder".equals(change.getKey().getName()) && 
Operation.Type.SET_MAP_ENTRY == change.getValue().type) {
+                            // we are setting child order, so we should remove 
previous set operations from the same branch
+                            removePreviousSetOperations = true;
+                            // branch.getCommits contains all revisions of the 
branch
+                            // including the new one we're about to make
+                            // so don't do a removeMapEntry for that
+                            
commits.remove(change.getKey().getRevision().asBranchRevision());
+                        }
+                    }
+                    if (removePreviousSetOperations) {
+                        if (!commits.isEmpty()) {
+                            int countRemoves = 0;
+                            for (Revision rev : commits.descendingSet()) {
+                                op.removeMapEntry(":childOrder", 
rev.asTrunkRevision());
+                                if (++countRemoves >= 256) {

Review Comment:
   Not convinced, unless we also add a system property based override...



-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: dev-unsubscr...@jackrabbit.apache.org

For queries about this service, please contact Infrastructure at:
us...@infra.apache.org

Reply via email to