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Posted to issues@spark.apache.org by "Chuck Connell (Jira)" <ji...@apache.org> on 2021/11/04 15:43:00 UTC

[jira] [Comment Edited] (SPARK-37198) pyspark.pandas read_csv() and to_csv() should handle local files

    [ https://issues.apache.org/jira/browse/SPARK-37198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17438789#comment-17438789 ] 

Chuck Connell edited comment on SPARK-37198 at 11/4/21, 3:42 PM:
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There are many hints/techtips on the Internet which say that {{[file://local_path|file://local_path/] }} already works to read and write local files from a Spark cluster. But in my testing (from Databricks) this is not true. I have never gotten it to work.

If there is already a way to read/write local files, please say the exact, tested method to do so. 


was (Author: chconnell):
There are many hints/techtips on the Internet which say that {{file://local_path }}already works to read and write local files from a Spark cluster. But in my testing (from Databricks) this is not true. I have never gotten it to work.

If there is already a way to read/write local files, please say the exact, tested method to do so. 

> pyspark.pandas read_csv() and to_csv() should handle local files 
> -----------------------------------------------------------------
>
>                 Key: SPARK-37198
>                 URL: https://issues.apache.org/jira/browse/SPARK-37198
>             Project: Spark
>          Issue Type: Sub-task
>          Components: PySpark
>    Affects Versions: 3.2.0
>            Reporter: Chuck Connell
>            Priority: Major
>
> Pandas programmers who move their code to Spark would like to import and export text files to and from their local disk. I know there are technical hurdles to this (since Spark is usually in a cluster that does not know where your local computer is) but it would really help code migration. 
> For read_csv() and to_csv(), the syntax {{*file://c:/Temp/my_file.csv* }}(or something like this) should import and export to the local disk on Windows. Similarly for Mac and Linux. 



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