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Posted to dev@calcite.apache.org by "Mykola Zerniuk (JIRA)" <ji...@apache.org> on 2018/12/03 09:45:00 UTC

[jira] [Created] (CALCITE-2722) SqlImplementor createLeftCall method throws StackOverflowError

Mykola Zerniuk created CALCITE-2722:
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             Summary: SqlImplementor createLeftCall method throws StackOverflowError
                 Key: CALCITE-2722
                 URL: https://issues.apache.org/jira/browse/CALCITE-2722
             Project: Calcite
          Issue Type: Bug
          Components: core
            Reporter: Mykola Zerniuk
            Assignee: Julian Hyde


SqlImplementor _createLeftCall_ method is implemented using recursion. In this case if sql has a lot of AND or OR operators it throws StackOverflowError.
{code:java}
Caused by: java.lang.StackOverflowError
at org.apache.calcite.util.Util.skipLast(Util.java:1940)
at org.apache.calcite.util.Util.skipLast(Util.java:1935)
at org.apache.calcite.rel.rel2sql.SqlImplementor$Context.createLeftCall(SqlImplementor.java:763)
at org.apache.calcite.rel.rel2sql.SqlImplementor$Context.createLeftCall(SqlImplementor.java:765)
at org.apache.calcite.rel.rel2sql.SqlImplementor$Context.createLeftCall(SqlImplementor.java:765){code}
Since calcite converts IN list to OR this bug is also reproduces on huge IN list.



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