Github user kiszk commented on a diff in the pull request: https://github.com/apache/spark/pull/13909#discussion_r91858221 --- Diff: sql/catalyst/src/main/java/org/apache/spark/sql/catalyst/expressions/codegen/BufferHolder.java --- @@ -55,6 +58,15 @@ public BufferHolder(UnsafeRow row, int initialSize) { this.buffer = new byte[fixedSize + initialSize]; this.row = row; this.row.pointTo(buffer, buffer.length); + this.array = null; + } + + public BufferHolder(UnsafeArrayData array, long numElements) { --- End diff -- I see. I have just allocate a big enough buffer at a new constructor of `BufferHolder`.
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