[FLINK-4189] Introduce symbols for internal use

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.2.0
• Component/s: Table SQL / API
• Assignee: Timo Walther
• Reporter: Timo Walther
• Created: 11/Jul/16 07:37
• Updated: 18/Aug/16 15:46
• Resolved: 18/Aug/16 15:46

Description

Currently we are using integer values to pass Calcite SQL symbols down to code generation. This causes problems like in FLINK-4068. We should support symbols internally.

Issue Links

• links to: GitHub Pull Request #2380