[jira] [Created] (HIVEMALL-165) array_remove UDF throws exception when the first argument is null

["Makoto Yui (JIRA)" <ji...@apache.org>]

Makoto Yui created HIVEMALL-165:
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             Summary: array_remove UDF throws exception when the first argument is null
                 Key: HIVEMALL-165
                 URL: https://issues.apache.org/jira/browse/HIVEMALL-165
             Project: Hivemall
          Issue Type: Bug
            Reporter: Makoto Yui
            Priority: Minor


The following error caused where the first argument is null.

{code}
Caused by: org.apache.hadoop.hive.ql.metadata.HiveException: Unable to execute method public java.util.List hivemall.tools.array.ArrayRemoveUDF.evaluate(java.util.List,org.apache.hadoop.io.Text)  on object hivemall.tools.array.ArrayRemoveUDF@54e2fe of class hivemall.tools.array.ArrayRemoveUDF with arguments {null, :org.apache.hadoop.io.Text} of size 2
    at org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:1251)
    at org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.evaluate(GenericUDFBridge.java:182)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator$DeferredExprObject.get(ExprNodeGenericFuncEvaluator.java:77)
    at org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.evaluate(GenericUDFBridge.java:178)
    at org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
    at org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:65)
    at org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:79)
    at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
    at org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:92)
    at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
    at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:539)
    ... 9 more
{code}



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