[IMPALA-7291] [DOCS] Document recommendation to use VARCHAR or STRING instead of CHAR(N)

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Impala 2.12.0
• Fix Version/s: Impala 3.1.0
• Component/s: Docs
• Epic Color: ghx-label-1
• Assignee: Alexandra Rodoni
• Reporter: Balazs Jeszenszky
• Created: 12/Jul/18 19:02
• Updated: 25/Jun/19 15:45
• Resolved: 24/Jul/18 18:47

Description

CHAR(N) currently does not have codegen support. For that reason, we should recommend customers to use VARCHAR or STRING instead - the gain of codegen outweighs the benefits of fixed width CHARs.