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Posted to issues-all@impala.apache.org by "Thomas Tauber-Marshall (JIRA)" <ji...@apache.org> on 2018/08/14 01:34:00 UTC
[jira] [Resolved] (IMPALA-7419) NullPointerException in
SimplifyConditionalsRule
[ https://issues.apache.org/jira/browse/IMPALA-7419?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Tauber-Marshall resolved IMPALA-7419.
--------------------------------------------
Resolution: Fixed
Fix Version/s: Impala 3.1.0
> NullPointerException in SimplifyConditionalsRule
> ------------------------------------------------
>
> Key: IMPALA-7419
> URL: https://issues.apache.org/jira/browse/IMPALA-7419
> Project: IMPALA
> Issue Type: Bug
> Components: Frontend
> Affects Versions: Impala 3.1.0
> Reporter: Thomas Tauber-Marshall
> Assignee: Thomas Tauber-Marshall
> Priority: Critical
> Fix For: Impala 3.1.0
>
>
> Found by the query generator:
> {noformat}
> SELECT
> COALESCE((-311) * (NULL), MIN(DISTINCT tinyint_col), 42)
> FROM functional.alltypes
> {noformat}
> {noformat}
> java.lang.NullPointerException
> at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187)
> at org.apache.impala.analysis.FunctionCallExpr.isAggregateFunction(FunctionCallExpr.java:238)
> at org.apache.impala.analysis.Expr$1.apply(Expr.java:100)
> at org.apache.impala.analysis.Expr$1.apply(Expr.java:97)
> at org.apache.impala.common.TreeNode.contains(TreeNode.java:162)
> at org.apache.impala.rewrite.SimplifyConditionalsRule.apply(SimplifyConditionalsRule.java:84)
> at org.apache.impala.rewrite.ExprRewriter.applyRuleBottomUp(ExprRewriter.java:85)
> at org.apache.impala.rewrite.ExprRewriter.applyRuleRepeatedly(ExprRewriter.java:71)
> at org.apache.impala.rewrite.ExprRewriter.rewrite(ExprRewriter.java:55)
> at org.apache.impala.analysis.SelectList.rewriteExprs(SelectList.java:97)
> at org.apache.impala.analysis.SelectStmt.rewriteExprs(SelectStmt.java:892)
> at org.apache.impala.analysis.AnalysisContext.analyze(AnalysisContext.java:446)
> at org.apache.impala.analysis.AnalysisContext.analyzeAndAuthorize(AnalysisContext.java:408)
> at org.apache.impala.service.Frontend.createExecRequest(Frontend.java:1035)
> at org.apache.impala.service.JniFrontend.createExecRequest(JniFrontend.java:165)
> {noformat}
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