Jark Wu created FLINK-11788:
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Summary: Support Code Generation for RexNode
Key: FLINK-11788
URL: https://issues.apache.org/jira/browse/FLINK-11788
Project: Flink
Issue Type: New Feature
Components: API / Table SQL
Reporter: Jark Wu
Assignee: Jark Wu
Introduce {{CodeGeneratorContext}} and {{ExprCodeGenerator}} to support
generation codes from RexNode.
The {{CodeGeneratorContext}} will keep all the reusable statements which will
be the basic class for code generation. In the future, we will introduce
{{FunctionCodeGeneration}}, {{AggregateCodeGeneration}}, etc... and they will
depend on the {{CodeGeneratorContext}} to store reusable statements.
The {{ExprCodeGenerator}} will only do generating codes from RexNode.
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