[jira] [Created] (DRILL-5449) Fix initcap function to convert upper case characters correctly

["Arina Ielchiieva (JIRA)" <ji...@apache.org>]

Arina Ielchiieva created DRILL-5449:
---------------------------------------

             Summary: Fix initcap function to convert upper case characters correctly
                 Key: DRILL-5449
                 URL: https://issues.apache.org/jira/browse/DRILL-5449
             Project: Apache Drill
          Issue Type: Bug
          Components: Functions - Drill
    Affects Versions: 1.10.0
            Reporter: Arina Ielchiieva
            Assignee: Arina Ielchiieva


Initcap function converts incorrectly subsequent upper case characters after first character.

{noformat}
0: jdbc:drill:zk=local> select initcap('AAA') from (values(1));
+---------+
| EXPR$0  |
+---------+
| A!!     |
+---------+
1 row selected (0.27 seconds)
{noformat}



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