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https://issues.apache.org/jira/browse/FLINK-23614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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godfrey he updated FLINK-23614:
-------------------------------
Fix Version/s: 1.14.1
> The resulting scale of TRUNCATE(DECIMAL, ...) is not correct
> ------------------------------------------------------------
>
> Key: FLINK-23614
> URL: https://issues.apache.org/jira/browse/FLINK-23614
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Runtime
> Affects Versions: 1.14.0
> Reporter: Caizhi Weng
> Assignee: Yao Zhang
> Priority: Major
> Labels: pull-request-available, starter
> Fix For: 1.15.0, 1.14.1
>
>
> Run the following SQL
> {code:sql}
> SELECT
> TRUNCATE(123.456, 2),
> TRUNCATE(123.456, 0),
> TRUNCATE(123.456, -2),
> TRUNCATE(CAST(123.456 AS DOUBLE), 2),
> TRUNCATE(CAST(123.456 AS DOUBLE), 0),
> TRUNCATE(CAST(123.456 AS DOUBLE), -2)
> {code}
> The result is
> {code}
> 123.450
> 123.000
> 100.000
> 123.45
> 123.0
> 100.0
> {code}
> It seems that the resulting scale of {{TRUNCATE(DECIMAL, ...)}} is the same
> as that of the input decimal.
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