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Posted to issues@spark.apache.org by "Maxim Gekk (JIRA)" <ji...@apache.org> on 2019/01/05 12:12:00 UTC

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

Maxim Gekk created SPARK-26546:
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             Summary: Caching of DateTimeFormatter
                 Key: SPARK-26546
                 URL: https://issues.apache.org/jira/browse/SPARK-26546
             Project: Spark
          Issue Type: Improvement
          Components: SQL
    Affects Versions: 3.0.0
            Reporter: Maxim Gekk


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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