Github user dongjoon-hyun commented on a diff in the pull request:
https://github.com/apache/spark/pull/21372#discussion_r189673786
--- Diff:
sql/core/src/main/java/org/apache/spark/sql/execution/datasources/orc/OrcColumnVector.java
---
@@ -136,7 +136,7 @@ public int getInt(int rowId) {
public long getLong(int rowId) {
int index = getRowIndex(rowId);
if (isTimestamp) {
- return timestampData.time[index] * 1000 + timestampData.nanos[index]
/ 1000;
+ return timestampData.time[index] * 1000 + timestampData.nanos[index]
/ 1000 % 1000;
--- End diff --
The change is on
[TreeReaderFactory.java](https://github.com/apache/orc/commit/6c4865ad9acb75c35d97206f31b4dd9e0a3a7cb4#diff-dcf15a871eb200f0fceaa924e14a01d4R980).
From Apache ORC project, the prior code is ORC-1 which is importing code from
Hive two years ago.
Effectively, the writer side is the same. Only, reader side is changed.
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