Non-boolean expression in WHERE clause throws exception
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Key: HIVE-1478
URL: https://issues.apache.org/jira/browse/HIVE-1478
Project: Hadoop Hive
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Paul Yang
Priority: Minor
If the expression in the where clause does not evaluate to a boolean, the job
will fail with the following exception in the task logs:
Query:
SELECT key FROM src WHERE 1;
Exception in mapper:
2010-07-21 17:00:31,460 FATAL ExecMapper:
org.apache.hadoop.hive.ql.metadata.HiveException: Hive Runtime Error while
processing row {"key":"238","value":"val_238"}
at
org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:417)
at org.apache.hadoop.hive.ql.exec.ExecMapper.map(ExecMapper.java:180)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:358)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:307)
at org.apache.hadoop.mapred.Child.main(Child.java:159)
Caused by: java.lang.ClassCastException: java.lang.Integer cannot be cast to
java.lang.Boolean
at
org.apache.hadoop.hive.ql.exec.FilterOperator.processOp(FilterOperator.java:84)
at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:457)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:697)
at
org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:45)
at org.apache.hadoop.hive.ql.exec.Operator.process(Operator.java:457)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:697)
at
org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:400)
... 5 more
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