Github user ppadma commented on a diff in the pull request:
https://github.com/apache/drill/pull/1101#discussion_r166136279
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/HashAggTemplate.java
---
@@ -226,7 +221,7 @@ public BatchHolder() {
((FixedWidthVector) vector).allocateNew(HashTable.BATCH_SIZE);
} else if (vector instanceof VariableWidthVector) {
// This case is never used .... a varchar falls under
ObjectVector which is allocated on the heap !
- ((VariableWidthVector) vector).allocateNew(maxColumnWidth,
HashTable.BATCH_SIZE);
+ ((VariableWidthVector) vector).allocateNew(columnSize,
HashTable.BATCH_SIZE);
--- End diff --
for a just allocated vector, estSize will return 0. how can we use that
for allocation ?
---
