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Posted to issues@spark.apache.org by "Wenchen Fan (Jira)" <ji...@apache.org> on 2020/03/20 07:26:00 UTC
[jira] [Assigned] (SPARK-31183) Incompatible Avro dates/timestamps
with Spark 2.4
[ https://issues.apache.org/jira/browse/SPARK-31183?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-31183:
-----------------------------------
Assignee: Maxim Gekk
> Incompatible Avro dates/timestamps with Spark 2.4
> -------------------------------------------------
>
> Key: SPARK-31183
> URL: https://issues.apache.org/jira/browse/SPARK-31183
> Project: Spark
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 3.0.0
> Reporter: Maxim Gekk
> Assignee: Maxim Gekk
> Priority: Major
>
> Write dates/timestamps to Avro file in Spark 2.4.5:
> {code}
> $ export TZ="America/Los_Angeles"
> $ bin/spark-shell --packages org.apache.spark:spark-avro_2.11:2.4.5
> {code}
> {code:scala}
> scala> df.write.format("avro").save("/Users/maxim/tmp/before_1582/2_4_5_ts_avro")
> scala> spark.read.format("avro").load("/Users/maxim/tmp/before_1582/2_4_5_ts_avro").show(false)
> +----------+
> |date |
> +----------+
> |1001-01-01|
> +----------+
> scala> df2.write.format("avro").save("/Users/maxim/tmp/before_1582/2_4_5_ts_avro")
> scala> spark.read.format("avro").load("/Users/maxim/tmp/before_1582/2_4_5_ts_avro").show(false)
> +--------------------------+
> |ts |
> +--------------------------+
> |1001-01-01 01:02:03.123456|
> +--------------------------+
> {code}
> Spark 3.0.0-preview2 ( and 3.1.0-SNAPSHOT) outputs different values from Spark 2.4.5:
> {code}
> $ export TZ="America/Los_Angeles"
> $ /bin/spark-shell --packages org.apache.spark:spark-avro_2.12:2.4.5
> {code}
> {code:scala}
> scala> spark.conf.set("spark.sql.session.timeZone", "America/Los_Angeles")
> scala> spark.read.format("avro").load("/Users/maxim/tmp/before_1582/2_4_5_date_avro").show(false)
> +----------+
> |date |
> +----------+
> |1001-01-07|
> +----------+
> scala> spark.read.format("avro").load("/Users/maxim/tmp/before_1582/2_4_5_ts_avro").show(false)
> +--------------------------+
> |ts |
> +--------------------------+
> |1001-01-07 01:09:05.123456|
> +--------------------------+
> {code}
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