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From "Wenchen Fan (Jira)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-29651) Incorrect parsing of interval seconds fraction
Date Thu, 31 Oct 2019 01:22:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-29651?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Wenchen Fan reassigned SPARK-29651:
-----------------------------------

    Assignee: Maxim Gekk

> Incorrect parsing of interval seconds fraction
> ----------------------------------------------
>
>                 Key: SPARK-29651
>                 URL: https://issues.apache.org/jira/browse/SPARK-29651
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 2.0.0, 2.1.0, 2.2.0, 2.3.0, 2.4.0
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Minor
>
> * The fractional part of interval seconds unit is incorrectly parsed if the number of
digits is less than 9, for example:
> {code}
> spark-sql> select interval '10.123456 seconds';
> interval 10 seconds 123 microseconds
> {code}
> The result must be *interval 10 seconds 123 milliseconds 456 microseconds*
> * If the seconds unit of an interval is negative, it is incorrectly converted to `CalendarInterval`,
for example:
> {code}
> spark-sql> select interval '-10.123456789 seconds';
> interval -9 seconds -876 milliseconds -544 microseconds
> {code}
> Taking into account truncation to microseconds, the result must be *interval -10 seconds
-123 milliseconds -456 microseconds*



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