[HIVE-11836] ORC SARG creation throws NPE for null constants with void type

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: 1.3.0
• Assignee: Prasanth Jayachandran
• Reporter: Prasanth Jayachandran
• Created: 16/Sep/15 01:03
• Updated: 05/Nov/15 20:20
• Resolved: 17/Sep/15 04:06

Description

Queries like

select * from table where col = null

will throw the following exception

Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.boxLiteral(SearchArgumentImpl.java:446)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.getLiteral(SearchArgumentImpl.java:476)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.createLeaf(SearchArgumentImpl.java:524)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.createLeaf(SearchArgumentImpl.java:584)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.parse(SearchArgumentImpl.java:629)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.addChildren(SearchArgumentImpl.java:598)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.parse(SearchArgumentImpl.java:621)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.addChildren(SearchArgumentImpl.java:598)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.parse(SearchArgumentImpl.java:621)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl$ExpressionBuilder.expression(SearchArgumentImpl.java:916)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentImpl.<init>(SearchArgumentImpl.java:953)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentFactory.create(SearchArgumentFactory.java:36)
	at org.apache.hadoop.hive.ql.io.sarg.SearchArgumentFactory.createFromConf(SearchArgumentFactory.java:50)
	at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.setSearchArgument(OrcInputFormat.java:312)
	at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getReader(OrcInputFormat.java:1224)
	at org.apache.hadoop.hive.ql.io.orc.OrcInputFormat.getRecordReader(OrcInputFormat.java:1113)
	at org.apache.hadoop.hive.ql.io.HiveInputFormat.getRecordReader(HiveInputFormat.java:249)

This issue does not happen when CBO is enabled.