[HIVE-18629] copyValues in BytesColumnVector may be missing null checks

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Assignee: Sergey Shelukhin
• Reporter: Sergey Shelukhin
• Created: 06/Feb/18 02:14
• Updated: 21/May/18 22:15
• Resolved: 21/May/18 22:15

Description

Caused by: java.lang.NullPointerException
	at java.lang.System.arraycopy(Native Method)
	at org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.setVal(BytesColumnVector.java:173)
	at org.apache.hadoop.hive.ql.exec.vector.BytesColumnVector.copySelected(BytesColumnVector.java:333)
	at org.apache.hadoop.hive.ql.exec.vector.expressions..evaluate(IfExprStringGroupColumnStringGroupColumn.java:83)
	at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:133)

IfExprStringGroupColumnStringGroupColumn code below the v1.isRepeating case has isNull checks for v2/v3 buffers that copySelected is missing.