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Posted to issues@spark.apache.org by "Hyukjin Kwon (Jira)" <ji...@apache.org> on 2020/06/12 03:18:00 UTC
[jira] [Commented] (SPARK-31880) Adjacent value parsing not
supported for Localized Patterns because of JDK bug
[ https://issues.apache.org/jira/browse/SPARK-31880?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17133874#comment-17133874 ]
Hyukjin Kwon commented on SPARK-31880:
--------------------------------------
I converted this into a separate issue because SPARK-31408 is fixed in 3.0.0. Let's file another parent issue if there are many of it, and then add a link between parent tickets [~Qin Yao].
> Adjacent value parsing not supported for Localized Patterns because of JDK bug
> ------------------------------------------------------------------------------
>
> Key: SPARK-31880
> URL: https://issues.apache.org/jira/browse/SPARK-31880
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.0.0, 3.1.0
> Reporter: Kent Yao
> Priority: Major
>
> {code:java}
> spark-sql> set spark.sql.legacy.timeParserPolicy=exception;
> spark.sql.legacy.timeParserPolicy exception
> spark-sql> select to_timestamp('202011', 'YYYYww');
> {code}
> {code:java}
> Caused by: java.time.format.DateTimeParseException: Text '202011' could not be parsed at index 0
> at java.time.format.DateTimeFormatter.parseResolved0(DateTimeFormatter.java:1949)
> at java.time.format.DateTimeFormatter.parse(DateTimeFormatter.java:1777)
> at org.apache.spark.sql.catalyst.util.Iso8601TimestampFormatter.$anonfun$parse$1(TimestampFormatter.scala:79)
> ... 99 more
> {code}
> {code:java}
> spark-sql> set spark.sql.legacy.timeParserPolicy=legacy;
> spark.sql.legacy.timeParserPolicy legacy
> spark-sql> select to_timestamp('202011', 'YYYYwu');
> 2019-12-30 00:00:00
> spark-sql> select to_timestamp('202011', 'YYYYww');
> 2020-03-08 00:00:00
> {code}
> The result could vary between different JDKs
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