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Posted to issues@calcite.apache.org by "Chunwei Lei (Jira)" <ji...@apache.org> on 2020/01/07 03:29:00 UTC
[jira] [Updated] (CALCITE-3154) RelToSqlConverter generates NULLA
LAST and NULLS FIRST wrongly when converting RexOver to sql using
MysqlSqlDialect
[ https://issues.apache.org/jira/browse/CALCITE-3154?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chunwei Lei updated CALCITE-3154:
---------------------------------
Summary: RelToSqlConverter generates NULLA LAST and NULLS FIRST wrongly when converting RexOver to sql using MysqlSqlDialect (was: RelToSqlConverter generates NULLA LAST and NULLS FIRST wrongly when converting RexOver to sql using MysqlSqlDialect.)
> RelToSqlConverter generates NULLA LAST and NULLS FIRST wrongly when converting RexOver to sql using MysqlSqlDialect
> -------------------------------------------------------------------------------------------------------------------
>
> Key: CALCITE-3154
> URL: https://issues.apache.org/jira/browse/CALCITE-3154
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.19.0
> Reporter: TANG Wen-hui
> Assignee: TANG Wen-hui
> Priority: Major
> Labels: pull-request-available
> Time Spent: 3h
> Remaining Estimate: 0h
>
> As for sql :
> {code:java}
> String query = "SELECT row_number() over (order by \"hire_date\") FROM \"employee\"";
> {code}
> using RelToSqlConverter to generate a sql for mysql , the result is :
> {code:java}
> SELECT ROW_NUMBER() OVER (ORDER BY `hire_date` NULLS LAST)
> FROM `foodmart`.`employee`
> {code}
> However, mysql does not support NULLS LAST.
>
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