[TAJO-215] Catalog should allow compatible types when finding functions

• Type: Sub-task
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.8.0, 0.9.0
• Fix Version/s: 0.8.0, 0.9.0
• Component/s: Catalog, Function/UDF
• Labels: patch
• Assignee: Alvin Henrick
• Reporter: Hyunsik Choi
• Created: 28/Sep/13 02:10
• Updated: 14/Apr/14 02:45
• Resolved: 11/Apr/14 04:03

Description

Current catalog is strong typed. Given a find request, it only can search for a certain function with the same argument types. However, in many cases, catalog should find functions with compatible parameter types.