[HIVE-9899] Update the document for fixed length of char data type

• Type: Bug
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Component/s: Documentation
• Assignee: Unassigned
• Reporter: Aihua Xu
• Created: 09/Mar/15 17:50
• Updated: 09/Mar/15 17:52

Description

More detailed information regarding data type CHAR is expected, including
1. Trailing spaces are not counted as part of the string during the comparison
2. The expected data type when handling the string operations on CHAR
e.g., lower(CHAR), concat(CHAR, CHAR), concat(CHAR, VARCHAR), etc.

Issue Links

• is related to: HIVE-9537 string expressions on a fixed length character do not preserve trailing spaces