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https://issues.apache.org/jira/browse/CALCITE-6232?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17813358#comment-17813358
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Julian Hyde commented on CALCITE-6232:
--------------------------------------
Please open a new case. This case is closed.
> Using fractions and 0 in LOG function does not return correct results
> ---------------------------------------------------------------------
>
> Key: CALCITE-6232
> URL: https://issues.apache.org/jira/browse/CALCITE-6232
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.36.0
> Reporter: Caican Cai
> Priority: Minor
> Fix For: 1.37.0
>
>
> The correct result in mysql is as follows
> {code:java}
> mysql> SELECT LOG10(2/3) AS result;
> +---------------------+
> | result |
> +---------------------+
> | -0.1760912594899757 |
> +---------------------+
> 1 row in set (0.00 sec)
> mysql> SELECT LOG2(0) AS result;
> +--------+
> | result |
> +--------+
> | NULL |
> +--------+
> 1 row in set, 1 warning (0.01 sec)
> mysql> SELECT LOG2(2/3) AS result;
> +---------------------+
> | result |
> +---------------------+
> | -0.5849625021638512 |
> +---------------------+
> 1 row in set (0.00 sec)
>
> {code}
> The log2 and log10 results of calcite are -Infinity
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