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https://issues.apache.org/jira/browse/CALCITE-2761?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16735527#comment-16735527
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Stuti Gupta commented on CALCITE-2761:
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The use case is that via ReltoSqlConverter I want to intercept NVL operator in
other dialects and then override the unparse method to do the particular
implementation of operators in those dialects.
> Add NVL function to SQL standard operator table
> -----------------------------------------------
>
> Key: CALCITE-2761
> URL: https://issues.apache.org/jira/browse/CALCITE-2761
> Project: Calcite
> Issue Type: Improvement
> Reporter: Stuti Gupta
> Assignee: Julian Hyde
> Priority: Major
>
> Teradata, Oracle, and Netezza have NVL function. It is not there in SQL
> standard operator table. So adding it to SqlStdOperatorTable.
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