[TAJO-147] Implement trim(text), ltrim(text), and rtrim(text) function

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: 0.2-incubating
• Component/s: Function/UDF
• Labels: newbie
• Assignee: Hyunsik Choi
• Reporter: Hyunsik Choi
• Created: 02/Sep/13 01:21
• Updated: 07/Oct/13 06:26
• Resolved: 07/Oct/13 06:22

Description

We need to implement the below trim functions:

• trim() function removes whitespaces in both sides
• ltrim() function removes whitespaces in left side.
• rtrim() function removes whitespaces in right side.