[jira] [Created] (SPARK-28093) Built-in function trim/ltrim/rtrim has bug when using trimStr

["Yuming Wang (JIRA)" <ji...@apache.org>]

Yuming Wang created SPARK-28093:
-----------------------------------

             Summary: Built-in function trim/ltrim/rtrim has bug when using trimStr
                 Key: SPARK-28093
                 URL: https://issues.apache.org/jira/browse/SPARK-28093
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Yuming Wang


{noformat}
spark-sql> SELECT trim('yxTomxx', 'xyz'), trim('xxxbarxxx', 'x');
z
spark-sql> SELECT ltrim('zzzytest', 'xyz'), ltrim('xyxXxyLAST WORD', 'xy');
xyz
spark-sql> SELECT rtrim('testxxzx', 'xyz'), rtrim('TURNERyxXxy', 'xy');
xy
spark-sql>
{noformat}

{noformat}
postgres=# SELECT trim('yxTomxx', 'xyz'), trim('xxxbarxxx', 'x');
 btrim | btrim
-------+-------
 Tom   | bar
(1 row)

postgres=# SELECT ltrim('zzzytest', 'xyz'), ltrim('xyxXxyLAST WORD', 'xy');
 ltrim |    ltrim
-------+--------------
 test  | XxyLAST WORD
(1 row)

postgres=# SELECT rtrim('testxxzx', 'xyz'), rtrim('TURNERyxXxy', 'xy');
 rtrim |   rtrim
-------+-----------
 test  | TURNERyxX
(1 row)
{noformat}






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