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Posted to issues@calcite.apache.org by "Mihai Budiu (Jira)" <ji...@apache.org> on 2023/12/07 22:41:00 UTC

[jira] [Closed] (CALCITE-5343) Type of division operator

     [ https://issues.apache.org/jira/browse/CALCITE-5343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mihai Budiu closed CALCITE-5343.
--------------------------------
    Resolution: Not A Problem

> Type of division operator
> -------------------------
>
>                 Key: CALCITE-5343
>                 URL: https://issues.apache.org/jira/browse/CALCITE-5343
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Mihai Budiu
>            Priority: Minor
>
> The Calcite type checker assigns a type of INTEGER (not nullable) to the DIVIDE RexCall in the following statement: `SELECT 1/0`. Some databases, such as MySQL, evaluate this expression to NULL.
> This result is obtained even when using SqlConformanceEnum.MYSQL_5 for the parser and the validator.
> My question is whether there is some other way to influence how type inference is performed for division.



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