Thomas Tauber-Marshall created IMPALA-7419:
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Summary: 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
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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