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Posted to issues@calcite.apache.org by "Ruben Q L (Jira)" <ji...@apache.org> on 2023/06/26 16:11:00 UTC

[jira] [Resolved] (CALCITE-5683) Two level nested correlated sub-query throws exception during decorrelation

     [ https://issues.apache.org/jira/browse/CALCITE-5683?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruben Q L resolved CALCITE-5683.
--------------------------------
    Resolution: Fixed

Done in https://github.com/apache/calcite/commit/7dd3ecd5a61e876d929a0f4dea6eac41efce7d0c (together with CALCITE-5789)

Finally, the patch did not contain the fix for CALCITE-5716 (which remains open and to be discussed) due to potential risks of regressions on downstream projects  (see more info [here|https://github.com/apache/calcite/pull/3277#discussion_r1240592799] and [here|https://github.com/apache/calcite/pull/3193#discussion_r1204993079])

> Two level nested correlated sub-query throws exception during decorrelation
> ---------------------------------------------------------------------------
>
>                 Key: CALCITE-5683
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5683
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 1.33.0
>            Reporter: Hanumath Rao Maduri
>            Assignee: Hanumath Rao Maduri
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.35.0
>
>
> The following two level nested query is throwing an exception. 
> {code:java}
> SELECT 
>        x_19 * (SELECT Max(main.x_111)
>                 FROM   t1 main
>                 WHERE  main.x_11 = t194.x_20
>                        AND main.x_12 = 'AFRICA'
>                        AND main.x_13 = (SELECT Max(rc.x_18)
>                                          FROM   t184 rc
>                                          WHERE  rc.x_15 = main.x_11
>                                                 AND rc.x_16 = main.x_12
>                                                 AND rc.x_17 = main.x_13
>                                                 AND rc.x_18 <= t194.x_22))
> FROM   t194  {code}
> Following is the stack trace and the calcite version we are using is 1.33
> {code:java}
> java.lang.NullPointerException: cm.mapCorToCorRel.get($cor1)
>     at java.util.Objects.requireNonNull(Objects.java:290)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getCorRel(RelDecorrelator.java:928)
>     at org.apache.calcite.sql2rel.RelDecorrelator.createValueGenerator(RelDecorrelator.java:820)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateInputWithValueGenerator(RelDecorrelator.java:1028)
>     at org.apache.calcite.sql2rel.RelDecorrelator.maybeAddValueGenerator(RelDecorrelator.java:947)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1150)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1116)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:749)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:738)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:512)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:495)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1291)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1270)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:749)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:738)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:749)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:738)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:512)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:495)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1187)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:1169)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:749)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:738)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:749)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateRel(RelDecorrelator.java:738)
>     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
>     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>     at java.lang.reflect.Method.invoke(Method.java:498)
>     at org.apache.calcite.util.ReflectUtil$2.invoke(ReflectUtil.java:531)
>     at org.apache.calcite.sql2rel.RelDecorrelator.getInvoke(RelDecorrelator.java:707)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelate(RelDecorrelator.java:306)
>     at org.apache.calcite.sql2rel.RelDecorrelator.decorrelateQuery(RelDecorrelator.java:230) {code}



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