Mithun Radhakrishnan created HIVE-9377:
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Summary: UDF in_file() in WHERE predicate causes NPE.
Key: HIVE-9377
URL: https://issues.apache.org/jira/browse/HIVE-9377
Project: Hive
Issue Type: Bug
Components: UDF
Reporter: Mithun Radhakrishnan
Assignee: Mithun Radhakrishnan
Consider the following query:
{code:sql}
SELECT foo, bar from mythdb.foobar where in_file( bar, '/tmp/bar_list.txt' );
{code}
Using {{in_file()}} in a WHERE predicate causes the following NPE:
java.lang.NullPointerException
at
org.apache.hadoop.hive.serde2.objectinspector.ObjectInspectorUtils.getWritableConstantValue(ObjectInspectorUtils.java:1041)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFInFile.getRequiredFiles(GenericUDFInFile.java:93)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagateProcFactory.isDeterministicUdf(ConstantPropagateProcFactory.java:303)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagateProcFactory.foldExpr(ConstantPropagateProcFactory.java:226)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagateProcFactory.access$000(ConstantPropagateProcFactory.java:92)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagateProcFactory$ConstantPropagateFilterProc.process(ConstantPropagateProcFactory.java:623)
at
org.apache.hadoop.hive.ql.lib.DefaultRuleDispatcher.dispatch(DefaultRuleDispatcher.java:90)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatchAndReturn(DefaultGraphWalker.java:94)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.dispatch(DefaultGraphWalker.java:78)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagate$ConstantPropagateWalker.walk(ConstantPropagate.java:147)
at
org.apache.hadoop.hive.ql.lib.DefaultGraphWalker.startWalking(DefaultGraphWalker.java:109)
at
org.apache.hadoop.hive.ql.optimizer.ConstantPropagate.transform(ConstantPropagate.java:117)
at
org.apache.hadoop.hive.ql.optimizer.Optimizer.optimize(Optimizer.java:177)
at
org.apache.hadoop.hive.ql.parse.SemanticAnalyzer.analyzeInternal(SemanticAnalyzer.java:10032)
at
org.apache.hadoop.hive.ql.parse.CalcitePlanner.analyzeInternal(CalcitePlanner.java:189)
at
org.apache.hadoop.hive.ql.parse.BaseSemanticAnalyzer.analyze(BaseSemanticAnalyzer.java:224)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:420)
at org.apache.hadoop.hive.ql.Driver.compile(Driver.java:306)
at org.apache.hadoop.hive.ql.Driver.compileInternal(Driver.java:1108)
at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1156)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1045)
at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1035)
at
org.apache.hadoop.hive.cli.CliDriver.processLocalCmd(CliDriver.java:206)
at org.apache.hadoop.hive.cli.CliDriver.processCmd(CliDriver.java:158)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:369)
at org.apache.hadoop.hive.cli.CliDriver.processLine(CliDriver.java:304)
at
org.apache.hadoop.hive.cli.CliDriver.executeDriver(CliDriver.java:701)
at org.apache.hadoop.hive.cli.CliDriver.run(CliDriver.java:674)
at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:614)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.hadoop.util.RunJar.main(RunJar.java:212)
I have a tentative fix I need advice on.
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