[ 
https://issues.apache.org/jira/browse/CALCITE-6600?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Ruben Q L updated CALCITE-6600:
-------------------------------
    Description: 
AggregateJoinTransposeRule can throw ArrayIndexOutOfBoundsException when 
applied on a SemiJoin, because it creates a mapping containing the Join's field 
count (which in case of a SemiJoin is just the LHS field count), and said 
mapping is used to process the (Semi)Join condition, which can contain 
references to the RHS fields.

The exception looks like:
{noformat}
Index 2 out of bounds for length 2
java.lang.ArrayIndexOutOfBoundsException: Index 2 out of bounds for length 2
        at 
org.apache.calcite.util.mapping.Mappings$PartialFunctionImpl.getTargetOpt(Mappings.java:1780)
        at 
org.apache.calcite.util.mapping.Mappings$AbstractMapping.getTarget(Mappings.java:943)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:87)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:35)
        at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:125)
        at org.apache.calcite.rex.RexShuttle.visitList(RexShuttle.java:167)
        at org.apache.calcite.rex.RexShuttle.visitCall(RexShuttle.java:119)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:102)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:35)
        at org.apache.calcite.rex.RexCall.accept(RexCall.java:208)
        at org.apache.calcite.rex.RexUtil.apply(RexUtil.java:1516)
        at 
org.apache.calcite.rel.rules.AggregateJoinTransposeRule.onMatch(AggregateJoinTransposeRule.java:329)
...
{noformat}

  was:
AggregateJoinTransposeRule can throw ArrayIndexOutOfBoundsException when 
applied on a SemiJoin, because it creates a mapping containing only the Join's 
field count (which in case of a SemiJoin is just the LHS field count), and said 
mapping is used to process the (Semi)Join condition, which can contain 
references to the RHS fields.

The exception looks like:
{noformat}
Index 2 out of bounds for length 2
java.lang.ArrayIndexOutOfBoundsException: Index 2 out of bounds for length 2
        at 
org.apache.calcite.util.mapping.Mappings$PartialFunctionImpl.getTargetOpt(Mappings.java:1780)
        at 
org.apache.calcite.util.mapping.Mappings$AbstractMapping.getTarget(Mappings.java:943)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:87)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:35)
        at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:125)
        at org.apache.calcite.rex.RexShuttle.visitList(RexShuttle.java:167)
        at org.apache.calcite.rex.RexShuttle.visitCall(RexShuttle.java:119)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:102)
        at 
org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:35)
        at org.apache.calcite.rex.RexCall.accept(RexCall.java:208)
        at org.apache.calcite.rex.RexUtil.apply(RexUtil.java:1516)
        at 
org.apache.calcite.rel.rules.AggregateJoinTransposeRule.onMatch(AggregateJoinTransposeRule.java:329)
...
{noformat}


> AggregateJoinTransposeRule can throw ArrayIndexOutOfBoundsException when 
> applied on a SemiJoin
> ----------------------------------------------------------------------------------------------
>
>                 Key: CALCITE-6600
>                 URL: https://issues.apache.org/jira/browse/CALCITE-6600
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.37.0
>            Reporter: Ruben Q L
>            Assignee: Ruben Q L
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.38.0
>
>
> AggregateJoinTransposeRule can throw ArrayIndexOutOfBoundsException when 
> applied on a SemiJoin, because it creates a mapping containing the Join's 
> field count (which in case of a SemiJoin is just the LHS field count), and 
> said mapping is used to process the (Semi)Join condition, which can contain 
> references to the RHS fields.
> The exception looks like:
> {noformat}
> Index 2 out of bounds for length 2
> java.lang.ArrayIndexOutOfBoundsException: Index 2 out of bounds for length 2
>       at 
> org.apache.calcite.util.mapping.Mappings$PartialFunctionImpl.getTargetOpt(Mappings.java:1780)
>       at 
> org.apache.calcite.util.mapping.Mappings$AbstractMapping.getTarget(Mappings.java:943)
>       at 
> org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:87)
>       at 
> org.apache.calcite.rex.RexPermuteInputsShuttle.visitInputRef(RexPermuteInputsShuttle.java:35)
>       at org.apache.calcite.rex.RexInputRef.accept(RexInputRef.java:125)
>       at org.apache.calcite.rex.RexShuttle.visitList(RexShuttle.java:167)
>       at org.apache.calcite.rex.RexShuttle.visitCall(RexShuttle.java:119)
>       at 
> org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:102)
>       at 
> org.apache.calcite.rex.RexPermuteInputsShuttle.visitCall(RexPermuteInputsShuttle.java:35)
>       at org.apache.calcite.rex.RexCall.accept(RexCall.java:208)
>       at org.apache.calcite.rex.RexUtil.apply(RexUtil.java:1516)
>       at 
> org.apache.calcite.rel.rules.AggregateJoinTransposeRule.onMatch(AggregateJoinTransposeRule.java:329)
> ...
> {noformat}



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