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HPL/SQL is included to Apache Hive since version 2.0

trim

TRIM Function - PL/HQL Reference

TRIM function removes leading and trailing characters from a string.

Syntax:

TRIM(string_expression); 

Return Type:

STRING

Example 1:

'#' || TRIM(' Hello ') || '#'; 
--
#Hello#

Compatibility: Oracle, IBM DB2, Teradata, Microsoft SQL Server, PostgreSQL, MySQL and Netezza

Version: PL/HQL 0.03