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From "Dmitry Lychagin (Jira)" <j...@apache.org>
Subject [jira] [Created] (ASTERIXDB-2748) CASE expression fails if default value is TRUE
Date Mon, 15 Jun 2020 18:47:00 GMT
Dmitry Lychagin created ASTERIXDB-2748:
------------------------------------------

             Summary: CASE expression fails if default value is TRUE
                 Key: ASTERIXDB-2748
                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-2748
             Project: Apache AsterixDB
          Issue Type: Bug
          Components: RT - Runtime
    Affects Versions: 0.9.4.1
            Reporter: Dmitry Lychagin
            Assignee: Dmitry Lychagin
             Fix For: 0.9.5


{noformat}
SELECT (CASE WHEN t = 2 THEN False ELSE True END) FROM [1] t 
{noformat}
fails with 

{noformat}
Caused by: java.lang.ArrayIndexOutOfBoundsException: Index 4 out of bounds for length 4
at org.apache.asterix.runtime.evaluators.functions.SwitchCaseDescriptor$2$1.evaluate(SwitchCaseDescriptor.java:83)
{noformat}

This error happens when the default value returned by the CASE expression is TRUE and none
of the WHEN clauses match at runtime.



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