Ruidong Li created FLINK-8301:
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Summary: Support Unicode in codegen for TableAPI && SQL
Key: FLINK-8301
URL: https://issues.apache.org/jira/browse/FLINK-8301
Project: Flink
Issue Type: Improvement
Components: Table API & SQL
Reporter: Ruidong Li
Assignee: Ruidong Li
The current code generation do not support Unicode, "\u0001" will be generated
to "\\u0001", function call like concat(str, "\u0001") will lead to wrong
result.
This issue intend to handle char/varchar literal correctly, some examples
followed as below.
literal codegen
'\u0001abc' "\u0001abc"
'\u0022\' "\"\\"
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