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https://issues.apache.org/jira/browse/CALCITE-6259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17818183#comment-17818183
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Caican Cai edited comment on CALCITE-6259 at 2/17/24 2:19 PM:
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[~julianhyde] How do I know what SQL dialect it uses? The only thing I know
that expresses the SQL dialect is SqlLibrary, but how do I pass it in as a
parameter?
I seem to have encountered some difficulties here. If you can help me solve it,
I will be very grateful.
was (Author: JIRAUSER302115):
[~julianhyde] How do I know what SQL dialect it uses? I know that the only one
that expresses SQL dialect is SqlLibrary
I seem to have encountered some difficulties here. If you can help me solve it,
I will be very grateful.
> The implementation of the Log library operator does not match the actual
> dialect behavior.
> ------------------------------------------------------------------------------------------
>
> Key: CALCITE-6259
> URL: https://issues.apache.org/jira/browse/CALCITE-6259
> Project: Calcite
> Issue Type: Improvement
> Components: core
> Affects Versions: 1.36.0
> Reporter: Caican Cai
> Priority: Major
> Fix For: 1.37.0
>
> Attachments: 302662660-27b21670-5364-463c-b6dc-d750c46d7cd1.png,
> 302663876-91173a60-695d-409e-b325-3f91655c6d0d.png
>
>
> The implementation of the Log library operator does not match the actual
> dialect behavior.
> For example, when log10(0) returns null in mysql and spark, but log10(0)
> returns error in postgres, neither is calcite's -Intity
> {code:java}
> postgres=# select log10(0);
> ERROR: cannot take logarithm of zero
> postgres=# select log(2,0);
> ERROR: cannot take logarithm of zero
> {code}
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