Ok, but deleting users' data without them knowing it is never a good idea.
That's why I give this RC -1.

lør. 22. jan. 2022 kl. 00:16 skrev Sean Owen <sro...@gmail.com>:

> (Bjorn - unless this is a regression, it would not block a release, even
> if it's a bug)
>
> On Fri, Jan 21, 2022 at 5:09 PM Bjørn Jørgensen <bjornjorgen...@gmail.com>
> wrote:
>
>> [x] -1 Do not release this package because, deletes all my columns with
>> only Null in it.
>>
>> I have opened https://issues.apache.org/jira/browse/SPARK-37981 for this
>> bug.
>>
>>
>>
>>
>> fre. 21. jan. 2022 kl. 21:45 skrev Sean Owen <sro...@gmail.com>:
>>
>>> (Are you suggesting this is a regression, or is it a general question?
>>> here we're trying to figure out whether there are critical bugs introduced
>>> in 3.2.1 vs 3.2.0)
>>>
>>> On Fri, Jan 21, 2022 at 1:58 PM Bjørn Jørgensen <
>>> bjornjorgen...@gmail.com> wrote:
>>>
>>>> Hi, I am wondering if it's a bug or not.
>>>>
>>>> I do have a lot of json files, where they have some columns that are
>>>> all "null" on.
>>>>
>>>> I start spark with
>>>>
>>>> from pyspark import pandas as ps
>>>> import re
>>>> import numpy as np
>>>> import os
>>>> import pandas as pd
>>>>
>>>> from pyspark import SparkContext, SparkConf
>>>> from pyspark.sql import SparkSession
>>>> from pyspark.sql.functions import concat, concat_ws, lit, col, trim,
>>>> expr
>>>> from pyspark.sql.types import StructType, StructField,
>>>> StringType,IntegerType
>>>>
>>>> os.environ["PYARROW_IGNORE_TIMEZONE"]="1"
>>>>
>>>> def get_spark_session(app_name: str, conf: SparkConf):
>>>>     conf.setMaster('local[*]')
>>>>     conf \
>>>>       .set('spark.driver.memory', '64g')\
>>>>       .set("fs.s3a.access.key", "minio") \
>>>>       .set("fs.s3a.secret.key", "") \
>>>>       .set("fs.s3a.endpoint", "http://192.168.1.127:9000";) \
>>>>       .set("spark.hadoop.fs.s3a.impl",
>>>> "org.apache.hadoop.fs.s3a.S3AFileSystem") \
>>>>       .set("spark.hadoop.fs.s3a.path.style.access", "true") \
>>>>       .set("spark.sql.repl.eagerEval.enabled", "True") \
>>>>       .set("spark.sql.adaptive.enabled", "True") \
>>>>       .set("spark.serializer",
>>>> "org.apache.spark.serializer.KryoSerializer") \
>>>>       .set("spark.sql.repl.eagerEval.maxNumRows", "10000") \
>>>>       .set("sc.setLogLevel", "error")
>>>>
>>>>     return
>>>> SparkSession.builder.appName(app_name).config(conf=conf).getOrCreate()
>>>>
>>>> spark = get_spark_session("Falk", SparkConf())
>>>>
>>>> d3 =
>>>> spark.read.option("multiline","true").json("/home/jovyan/notebooks/falk/data/norm_test/3/*.json")
>>>>
>>>> import pyspark
>>>> def sparkShape(dataFrame):
>>>>     return (dataFrame.count(), len(dataFrame.columns))
>>>> pyspark.sql.dataframe.DataFrame.shape = sparkShape
>>>> print(d3.shape())
>>>>
>>>>
>>>> (653610, 267)
>>>>
>>>>
>>>> d3.write.json("d3.json")
>>>>
>>>>
>>>> d3 = spark.read.json("d3.json/*.json")
>>>>
>>>> import pyspark
>>>> def sparkShape(dataFrame):
>>>>     return (dataFrame.count(), len(dataFrame.columns))
>>>> pyspark.sql.dataframe.DataFrame.shape = sparkShape
>>>> print(d3.shape())
>>>>
>>>> (653610, 186)
>>>>
>>>>
>>>> So spark is deleting 81 columns. I think that all of these 81 deleted
>>>> columns have only Null in them.
>>>>
>>>> Is this a bug or has this been made on purpose?
>>>>
>>>>
>>>> fre. 21. jan. 2022 kl. 04:59 skrev huaxin gao <huaxin.ga...@gmail.com>:
>>>>
>>>>> Please vote on releasing the following candidate as Apache Spark
>>>>> version 3.2.1. The vote is open until 8:00pm Pacific time January 25 and
>>>>> passes if a majority +1 PMC votes are cast, with a minimum of 3 +1 votes. 
>>>>> [
>>>>> ] +1 Release this package as Apache Spark 3.2.1[ ] -1 Do not release
>>>>> this package because ... To learn more about Apache Spark, please see
>>>>> http://spark.apache.org/ The tag to be voted on is v3.2.1-rc2 (commit
>>>>> 4f25b3f71238a00508a356591553f2dfa89f8290):
>>>>> https://github.com/apache/spark/tree/v3.2.1-rc2
>>>>> The release files, including signatures, digests, etc. can be found at:
>>>>> https://dist.apache.org/repos/dist/dev/spark/v3.2.1-rc2-bin/
>>>>> Signatures used for Spark RCs can be found in this file:
>>>>> https://dist.apache.org/repos/dist/dev/spark/KEYS The staging
>>>>> repository for this release can be found at:
>>>>> https://repository.apache.org/content/repositories/orgapachespark-1398/
>>>>>
>>>>> The documentation corresponding to this release can be found at:
>>>>> https://dist.apache.org/repos/dist/dev/spark/v3.2.1-rc2-docs/_site/
>>>>> The list of bug fixes going into 3.2.1 can be found at the following
>>>>> URL:https://s.apache.org/yu0cy
>>>>>
>>>>> This release is using the release script of the tag v3.2.1-rc2. FAQ
>>>>> ========================= How can I help test this release?
>>>>> ========================= If you are a Spark user, you can help us test
>>>>> this release by taking an existing Spark workload and running on this
>>>>> release candidate, then reporting any regressions. If you're working in
>>>>> PySpark you can set up a virtual env and install the current RC and see if
>>>>> anything important breaks, in the Java/Scala you can add the staging
>>>>> repository to your projects resolvers and test with the RC (make sure to
>>>>> clean up the artifact cache before/after so you don't end up building with
>>>>> a out of date RC going forward).
>>>>> =========================================== What should happen to JIRA
>>>>> tickets still targeting 3.2.1? ===========================================
>>>>> The current list of open tickets targeted at 3.2.1 can be found at:
>>>>> https://issues.apache.org/jira/projects/SPARK and search for "Target
>>>>> Version/s" = 3.2.1 Committers should look at those and triage. Extremely
>>>>> important bug fixes, documentation, and API tweaks that impact
>>>>> compatibility should be worked on immediately. Everything else please
>>>>> retarget to an appropriate release. ================== But my bug isn't
>>>>> fixed? ================== In order to make timely releases, we will
>>>>> typically not hold the release unless the bug in question is a regression
>>>>> from the previous release. That being said, if there is something which is
>>>>> a regression that has not been correctly targeted please ping me or a
>>>>> committer to help target the issue.
>>>>>
>>>>
>>>>
>>>> --
>>>> Bjørn Jørgensen
>>>> Vestre Aspehaug 4, 6010 Ålesund
>>>> Norge
>>>>
>>>> +47 480 94 297
>>>>
>>>
>>
>> --
>> Bjørn Jørgensen
>> Vestre Aspehaug 4, 6010 Ålesund
>> Norge
>>
>> +47 480 94 297
>>
>

-- 
Bjørn Jørgensen
Vestre Aspehaug 4, 6010 Ålesund
Norge

+47 480 94 297

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