[jira] [Created] (HIVE-24599) Add support vectorized two parameter trim functions

["Krisztian Kasa (Jira)" <ji...@apache.org>]

Krisztian Kasa created HIVE-24599:
-------------------------------------

             Summary: Add support vectorized two parameter trim functions
                 Key: HIVE-24599
                 URL: https://issues.apache.org/jira/browse/HIVE-24599
             Project: Hive
          Issue Type: Improvement
            Reporter: Krisztian Kasa


HIVE-24565 introduces a version of trim/ltrim/rtrim functions when the characters to trim can be specified as a second parameter of the function.

Two parameter version of these functions has some vectorized scenarios:
* source:  COLUMN - trim characters: SCALAR - this is supported by HIVE-24565
{code}
SELECT trim(col0, 'a');
{code}
* source:  COLUMN - trim characters: COLUMN
{code}
SELECT trim(col0, col1);
{code}
* source:  SCALAR - trim characters: COLUMN
{code}
SELECT trim('string to trim', col0);
{code}

The scope of this jira is the support of the last two scenarios.



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