[CALCITE-3016] Reorganize the operator tables

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.19.0
• Fix Version/s: 1.20.0
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Danny Chen
• Created: 24/Apr/19 07:53
• Updated: 24/Jun/19 15:02
• Resolved: 13/May/19 06:22

Description

Reorganize the operator tables

1. Make a CommonOperatorTable for operators that belong to multiple dialect
2. create a dialect to operator table mapping cache for used dialect
3. annotation the function with specific annotation for operators in CommonOperatorTable

Issue Links

• Blocked: CALCITE-2846 Document Oracle-specific functions, such as NVL and LTRIM, in the SQL reference
• is related to: CALCITE-2459 Add implementation of From_Base64 to SqlFunctions
• links to: GitHub Pull Request #1181