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holdenk commented on SPARK-25467: --------------------------------- cc [~bryanc] > Python date/datetime objects in dataframes increment by 1 day when converted > to JSON > ------------------------------------------------------------------------------------ > > Key: SPARK-25467 > URL: https://issues.apache.org/jira/browse/SPARK-25467 > Project: Spark > Issue Type: Bug > Components: PySpark, SQL > Affects Versions: 2.3.1 > Environment: Spark 2.3.1 > Python 3.6.5 | packaged by conda-forge | (default, Apr 6 2018, 13:39:56) > [GCC 4.8.2 20140120 (Red Hat 4.8.2-15)] > openjdk version "1.8.0_181" > OpenJDK Runtime Environment (build 1.8.0_181-b13) > OpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode) > Centos 7 3.10.0-862.11.6.el7.x86_64 #1 SMP Tue Aug 14 21:49:04 UTC 2018 > x86_64 x86_64 GNU/Linux > Reporter: David V. Hill > Priority: Major > > When Dataframes contains datetime.date or datetime.datetime instances and > toJSON() is called on the Dataframe, the day is incremented in the JSON date > representation. > {code} > # Create a Dataframe containing datetime.date instances, convert to JSON and > display > rows = [Row(cx=1, cy=2, dates=[datetime.date.fromordinal(1), > datetime.date.fromordinal(2)])] > df = sqc.createDataFrame(rows) > df.collect() > [Row(cx=1, cy=2, dates=[datetime.date(1, 1, 1), datetime.date(1, 1, 2)])] > df.toJSON().collect() > ['{"cx":1,"cy":2,"dates":["0001-01-03","0001-01-04"]}'] > # Issue also occurs with datetime.datetime instances > rows = [Row(cx=1, cy=2, dates=[datetime.datetime.fromordinal(1), > datetime.datetime.fromordinal(2)])] > df = sqc.createDataFrame(rows) > df.collect() > [Row(cx=1, cy=2, dates=[datetime.datetime(1, 1, 1, 0, 0, fold=1), > datetime.datetime(1, 1, 2, 0, 0)])] > df.toJSON().collect() > ['{"cx":1,"cy":2,"dates":["0001-01-02T23:50:36.000-06:00","0001-01-03T23:50:36.000-06:00"]}'] > {code} > > -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org