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Posted to issues@calcite.apache.org by "Chunwei Lei (Jira)" <ji...@apache.org> on 2020/01/07 03:46:00 UTC
[jira] [Resolved] (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 resolved CALCITE-3154.
----------------------------------
Fix Version/s: 1.22.0
Resolution: Fixed
Fixed in [40f5a0faaa4c5d974b0815ea2216d91551755e7b|https://github.com/apache/calcite/commit/40f5a0faaa4c5d974b0815ea2216d91551755e7b]. Thank you for your pr, [~winipanda]!
> 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
> Fix For: 1.22.0
>
> Time Spent: 3h 10m
> 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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