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Posted to issues@flink.apache.org by "Ruidong Li (JIRA)" <ji...@apache.org> on 2017/12/22 02:11:02 UTC

[jira] [Updated] (FLINK-8301) Support Unicode in codegen for SQL

     [ https://issues.apache.org/jira/browse/FLINK-8301?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ruidong Li updated FLINK-8301:
------------------------------
    Summary: Support Unicode in codegen for SQL  (was: Support Unicode in codegen for TableAPI && SQL)

> Support Unicode in codegen for 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: '\u0001abc'    ->   codegen:  "\u0001abc"
> literal: '\u0022\'         ->   codegen:  "\"\\"



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