Github user adrian-wang commented on a diff in the pull request:
https://github.com/apache/spark/pull/21227#discussion_r185801594
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/vectorized/WritableColumnVector.java
---
@@ -81,7 +81,9 @@ public void close() {
}
public void reserve(int requiredCapacity) {
- if (requiredCapacity > capacity) {
+ if (requiredCapacity < 0) {
+ throwUnsupportedException(requiredCapacity, null);
--- End diff --
thanks for the explanation!
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