Yuanjian Li created SPARK-31408:
-----------------------------------
Summary: Build Spark’s own Datetime patterns
Key: SPARK-31408
URL: https://issues.apache.org/jira/browse/SPARK-31408
Project: Spark
Issue Type: Umbrella
Components: SQL
Affects Versions: 3.0.0
Reporter: Yuanjian Li
This is an umbrella ticket for building Spark's own Datetime patterns and
related works.
In Spark version 2.4 and earlier, datetime parsing, formatting and conversion
are performed by using the hybrid calendar (Julian + Gregorian).
Since the Proleptic Gregorian calendar is a de-facto calendar worldwide, as
well as the chosen one in ANSI SQL standard, Spark 3.0 switches to it by using
Java 8 API classes (the java.time packages that are based on ISO chronology ).
The switching job is completed in SPARK-26651.
But after the switching, there are some patterns not compatible between Java 8
and Java 7, Spark needs its own definition on the patterns rather than depends
on Java API.
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
---------------------------------------------------------------------
To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org
For additional commands, e-mail: issues-h...@spark.apache.org
