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Posted to issues@calcite.apache.org by "Yingyu Wang (Jira)" <ji...@apache.org> on 2022/06/02 00:52:00 UTC

[jira] [Updated] (CALCITE-5176) Deeply nested relational expressions leads to StackOverflowError

     [ https://issues.apache.org/jira/browse/CALCITE-5176?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yingyu Wang updated CALCITE-5176:
---------------------------------
    Description: 
The problem can be reproduced using following test using many levels of UNION:
{code:java}
@Test void testLargeUnion() {
  String unionClauses = LongStream.range(0, 1000L)
      .map(i -> i + Integer.MAX_VALUE)
      .mapToObj(Long::toString)
      .collect(Collectors.joining("\nUNION SELECT "));
  final String sql = "SELECT 1 AS prescription_id\n" +
      "UNION SELECT " + unionClauses;
  sql(sql).ok();
} {code}
Error:
{noformat}
java.lang.StackOverflowError
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
        ...{noformat}
Is there a way to limit on how deeply nested a plan can be?

  was:
The problem can be reproduced using following test using many levels of UNION:
{code:java}
@Test void testLargeUnion() {
  String unionClauses = LongStream.range(0, 1000L)
      .map(i -> i + Integer.MAX_VALUE)
      .mapToObj(Long::toString)
      .collect(Collectors.joining("\nUNION SELECT "));
  final String sql = "SELECT 1 AS prescription_id\n" +
      "UNION SELECT " + unionClauses;
  sql(sql).ok();
} {code}
Error:
{noformat}
java.lang.StackOverflowError
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92){noformat}
Is there a way to limit on how deeply nested a plan can be?


> Deeply nested relational expressions leads to StackOverflowError
> ----------------------------------------------------------------
>
>                 Key: CALCITE-5176
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5176
>             Project: Calcite
>          Issue Type: Bug
>            Reporter: Yingyu Wang
>            Priority: Major
>
> The problem can be reproduced using following test using many levels of UNION:
> {code:java}
> @Test void testLargeUnion() {
>   String unionClauses = LongStream.range(0, 1000L)
>       .map(i -> i + Integer.MAX_VALUE)
>       .mapToObj(Long::toString)
>       .collect(Collectors.joining("\nUNION SELECT "));
>   final String sql = "SELECT 1 AS prescription_id\n" +
>       "UNION SELECT " + unionClauses;
>   sql(sql).ok();
> } {code}
> Error:
> {noformat}
> java.lang.StackOverflowError
> 	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
> 	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
> 	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
> 	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
> 	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
> 	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
> 	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
> 	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
> 	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
> 	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
> 	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
> 	at org.apache.calcite.rel.RelShuttleImpl.visitChild(RelShuttleImpl.java:57)
> 	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visitChild(RelDecorrelator.java:2948)
> 	at org.apache.calcite.rel.RelShuttleImpl.visitChildren(RelShuttleImpl.java:71)
> 	at org.apache.calcite.rel.RelShuttleImpl.visit(RelShuttleImpl.java:141)
> 	at org.apache.calcite.sql2rel.RelDecorrelator$CorelMapBuilder.visit(RelDecorrelator.java:2943)
> 	at org.apache.calcite.rel.RelHomogeneousShuttle.visit(RelHomogeneousShuttle.java:76)
> 	at org.apache.calcite.rel.logical.LogicalUnion.accept(LogicalUnion.java:92)
>         ...{noformat}
> Is there a way to limit on how deeply nested a plan can be?



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