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Posted to notifications@asterixdb.apache.org by "Dmitry Lychagin (Jira)" <ji...@apache.org> on 2021/11/16 02:27:00 UTC
[jira] [Resolved] (ASTERIXDB-2986) NullPointerException in ExtractFunctionsFromJoinConditionRule
[ https://issues.apache.org/jira/browse/ASTERIXDB-2986?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmitry Lychagin resolved ASTERIXDB-2986.
----------------------------------------
Resolution: Fixed
> NullPointerException in ExtractFunctionsFromJoinConditionRule
> -------------------------------------------------------------
>
> Key: ASTERIXDB-2986
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2986
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: COMP - Compiler
> Affects Versions: 0.9.7
> Reporter: Dmitry Lychagin
> Assignee: Dmitry Lychagin
> Priority: Major
> Fix For: 0.9.7
>
>
> The following query fails with NullPointerException
> {noformat}
> drop dataverse test1 if exists;
> create dataverse test1;
> use test1;
> create type DocumentType as open { };
> create type MetaType as open { id:string };
> create dataset customer(DocumentType) with meta(MetaType) primary key meta().id;
> create dataset orders(DocumentType) with meta(MetaType) primary key meta().id;
> create dataset lineitem(DocumentType) with meta(MetaType) primary key meta().id;
> select count(*)
> from orders o, lineitem l, customer c
> where tobigint(l.l_orderkey) = o.o_orderkey
> and o.o_custkey + l.l_orderkey = c.c_custkey + l.l_orderkey;
> {noformat}
> Stack trace:
> {noformat}
> Caused by: java.lang.NullPointerException: Cannot invoke "org.apache.asterix.om.types.IAType.getTypeTag()" because "inputType" is null
> at org.apache.asterix.om.typecomputer.impl.TypeComputeUtils.getActualType(TypeComputeUtils.java:206)
> at org.apache.asterix.om.typecomputer.impl.TypeComputeUtils.getActualType(TypeComputeUtils.java:185)
> at org.apache.asterix.om.typecomputer.impl.TypeComputeUtils.resolveResultType(TypeComputeUtils.java:90)
> at org.apache.asterix.om.typecomputer.base.AbstractResultTypeComputer.computeType(AbstractResultTypeComputer.java:44)
> at org.apache.asterix.dataflow.data.common.ExpressionTypeComputer.getTypeForFunction(ExpressionTypeComputer.java:70)
> at org.apache.asterix.dataflow.data.common.ExpressionTypeComputer.getType(ExpressionTypeComputer.java:52)
> at org.apache.hyracks.algebricks.core.algebra.typing.AbstractTypeEnvironment.getType(AbstractTypeEnvironment.java:45)
> at org.apache.asterix.om.typecomputer.impl.TypeComputeUtils.resolveResultType(TypeComputeUtils.java:86)
> at org.apache.asterix.om.typecomputer.base.AbstractResultTypeComputer.computeType(AbstractResultTypeComputer.java:44)
> at org.apache.asterix.dataflow.data.common.ExpressionTypeComputer.getTypeForFunction(ExpressionTypeComputer.java:70)
> at org.apache.asterix.dataflow.data.common.ExpressionTypeComputer.getType(ExpressionTypeComputer.java:52)
> at org.apache.hyracks.algebricks.core.algebra.operators.logical.AssignOperator.computeOutputTypeEnvironment(AssignOperator.java:79)
> at org.apache.hyracks.algebricks.core.rewriter.base.AlgebricksOptimizationContext.computeAndSetTypeEnvironmentForOperator(AlgebricksOptimizationContext.java:299)
> at org.apache.hyracks.algebricks.rewriter.rules.ExtractFunctionsFromJoinConditionRule.assignFunctionExpressions(ExtractFunctionsFromJoinConditionRule.java:145)
> at org.apache.hyracks.algebricks.rewriter.rules.ExtractFunctionsFromJoinConditionRule.rewritePost(ExtractFunctionsFromJoinConditionRule.java:83)
> {noformat}
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