[HIVE-11431] Vectorization: select * Left Semi Join projections NPE

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.2.1, 1.3.0
• Component/s: Vectorization
• Assignee: Unassigned
• Reporter: Gopal Vijayaraghavan
• Created: 31/Jul/15 23:09
• Updated: 30/Aug/18 05:05

Description

The "select *" is meant to only apply to the left most table, not the right most - the unprojected "d" from tmp1 triggers this NPE.

select * from tmp2 left semi join tmp1 where c1 = id and c0 = q;

Caused by: java.lang.NullPointerException
        at java.lang.System.arraycopy(Native Method)
        at org.apache.hadoop.io.Text.set(Text.java:225)
        at org.apache.hadoop.hive.ql.exec.vector.VectorExtractRow$StringExtractorByValue.extract(VectorExtractRow.java:472)
        at org.apache.hadoop.hive.ql.exec.vector.VectorExtractRow.extractRow(VectorExtractRow.java:732)
        at org.apache.hadoop.hive.ql.exec.vector.VectorFileSinkOperator.process(VectorFileSinkOperator.java:96)
        at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
        at org.apache.hadoop.hive.ql.exec.vector.VectorSelectOperator.process(VectorSelectOperator.java:136)
        at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)
        at org.apache.hadoop.hive.ql.exec.vector.VectorFilterOperator.process(VectorFilterOperator.java:117)
        at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:837)