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https://issues.apache.org/jira/browse/CALCITE-3435?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16956325#comment-16956325
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Julian Hyde commented on CALCITE-3435:
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What do you think should be the return type of FLOOR applied to an argument of
DECIMAL(4, 1)?
> floor(mod(33.5,7)) wrongly returns 5.5
> --------------------------------------
>
> Key: CALCITE-3435
> URL: https://issues.apache.org/jira/browse/CALCITE-3435
> Project: Calcite
> Issue Type: Bug
> Affects Versions: 1.16.0, 1.21.0
> Reporter: jiezouSH
> Priority: Minor
>
> mod's return type is
> chain(DECIMAL_MOD_NULLABLE, ARG1_NULLABLE),
> but mod(33.5,7)'s result is 5.5, not in line with ARG1_NULLABLE.
> This causes floor(mod(33.5,7)) wrongly returns 5.5
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