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https://issues.apache.org/jira/browse/SPARK-27035?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maxim Gekk updated SPARK-27035:
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Description: Currently, the CurrentTimestamp expression uses
[System.currentTimeMillis()|[https://github.com/apache/spark/blob/a2a41b7bf2bfdcd1cff242013716ac7bd84bdacd/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L99]]
to take current time with millisecond resolution. The Instant.now allows
potentially to take current time with microsecond resolution:
[https://bugs.openjdk.java.net/browse/JDK-8068730] . The ticket aims to replace
*System.currentTimeMillis()* by *Instant.now()*. (was: Currently, the
CurrentTimestamp expression uses
[System.currentTimeMillis()|[https://github.com/apache/spark/blob/a2a41b7bf2bfdcd1cff242013716ac7bd84bdacd/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L99]]
to take current time with millisecond resolution. The Instant.now allows
potentially to take current time with microsecond resolution:
[https://bugs.openjdk.java.net/browse/JDK-8068730] . The ticket aims to replace
System.currentTimeMillis()| by Instant.now().)
> Current time with microsecond resolution
> ----------------------------------------
>
> Key: SPARK-27035
> URL: https://issues.apache.org/jira/browse/SPARK-27035
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 2.4.0
> Reporter: Maxim Gekk
> Priority: Minor
>
> Currently, the CurrentTimestamp expression uses
> [System.currentTimeMillis()|[https://github.com/apache/spark/blob/a2a41b7bf2bfdcd1cff242013716ac7bd84bdacd/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala#L99]]
> to take current time with millisecond resolution. The Instant.now allows
> potentially to take current time with microsecond resolution:
> [https://bugs.openjdk.java.net/browse/JDK-8068730] . The ticket aims to
> replace *System.currentTimeMillis()* by *Instant.now()*.
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