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Posted to issues@calcite.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2020/04/17 01:11:00 UTC
[jira] [Updated] (CALCITE-3884) Return type for SIGN function is
incorrect
[ https://issues.apache.org/jira/browse/CALCITE-3884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ASF GitHub Bot updated CALCITE-3884:
------------------------------------
Labels: pull-request-available (was: )
> Return type for SIGN function is incorrect
> ------------------------------------------
>
> Key: CALCITE-3884
> URL: https://issues.apache.org/jira/browse/CALCITE-3884
> Project: Calcite
> Issue Type: Bug
> Components: core
> Reporter: Juhwan Kim
> Priority: Minor
> Labels: pull-request-available
>
> It appears the metadata for the SIGN function in Calcite is incorrect, it uses the input metadata as the output metadata.
> [ SqlStdOperatorTable.java#L1713 | https://github.com/apache/calcite/blob/1c261ebeb65e775b908cb878e905410ce78cda80/core/src/main/java/org/apache/calcite/sql/fun/SqlStdOperatorTable.java#L1713]
> This works in most cases but for Decimal where prec=scale, this doesn’t work since there can be no whole digits. The return metadata should really be an int, or if you want to match types then DECIMAL(1, 0) if the input metadata is any DECIMAL.
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