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https://issues.apache.org/jira/browse/CALCITE-6046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17775096#comment-17775096
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Julian Hyde commented on CALCITE-6046:
--------------------------------------
Standard SQL
> quoteStringLiteralUnicode returns unparsed string with u&' prefix, which will
> cause the SqlLiteral
> --------------------------------------------------------------------------------------------------
>
> Key: CALCITE-6046
> URL: https://issues.apache.org/jira/browse/CALCITE-6046
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.35.0
> Reporter: xiaogang zhou
> Priority: Major
> Fix For: 1.36.0
>
>
> quoteStringLiteralUnicode returns unparsed string with u&' prefix, which will
> cause the SqlLiteral
>
> for example with a SQL
>
> {code:java}
> // code placeholder
> CREATE TABLE source (
> a BIGINT
> ) comment '测试test'
> WITH (
> 'connector' = 'test'
> ); {code}
> with a parsed Sqlnode, the toString will create a SQL like below, which is
> not parsable again.
>
> {code:java}
> // code placeholder
> CREATE TABLE `source` (
> `a` BIGINT
> )
> COMMENT u&'\5218\51eftest' WITH (
> 'connector' = 'test'
> ) {code}
> I think this is caused by
> {code:java}
> // code placeholder
> public void quoteStringLiteralUnicode(StringBuilder buf, String val) {
> buf.append("u&'"); {code}
> not sure if I misconfigured something. Is it possiable to remove the
> buf.append("u&'"); ?
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