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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2019/01/17 20:31:00 UTC

[jira] [Updated] (SPARK-26546) Caching of DateTimeFormatter

     [ https://issues.apache.org/jira/browse/SPARK-26546?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maxim Gekk updated SPARK-26546:
-------------------------------
    Issue Type: Sub-task  (was: Improvement)
        Parent: SPARK-26651

> Caching of DateTimeFormatter
> ----------------------------
>
>                 Key: SPARK-26546
>                 URL: https://issues.apache.org/jira/browse/SPARK-26546
>             Project: Spark
>          Issue Type: Sub-task
>          Components: SQL
>    Affects Versions: 3.0.0
>            Reporter: Maxim Gekk
>            Assignee: Maxim Gekk
>            Priority: Minor
>             Fix For: 3.0.0
>
>
> Currently, instances of java.time.format.DateTimeFormatter are built each time when new instance of Iso8601DateFormatter or Iso8601TimestampFormatter is created which is time consuming operation because it should parse the timestamp/date patterns. It could be useful to create a cache with key = (pattern, locale) and value = instance of java.time.format.DateTimeFormatter.



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