Github user jinfengni commented on a diff in the pull request: https://github.com/apache/drill/pull/704#discussion_r109052570 --- Diff: exec/vector/src/main/codegen/templates/FixedValueVectors.java --- @@ -281,6 +282,11 @@ public void copyFromSafe(int fromIndex, int thisIndex, ${minor.class}Vector from copyFrom(fromIndex, thisIndex, from); } + @Override + public void copyEntry(int toIndex, ValueVector from, int fromIndex) { --- End diff -- From the name "copyEntry", it's not clear this new method will provide a semantics like the existing method copyFrom(), or copyFromSafe(). In value vector code, Drill's convention (in my understanding) is xxxSafe() means value vector takes care of re-alloc() itself, in case of running out of buffer, while xxx() does not have this guarantee. I think we had better follow this convention in new added method.
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