[jira] [Assigned] (SPARK-11522) input_file_name() returns "" for external tables

["Apache Spark (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-11522?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-11522:
------------------------------------

    Assignee: Apache Spark

> input_file_name() returns "" for external tables
> ------------------------------------------------
>
>                 Key: SPARK-11522
>                 URL: https://issues.apache.org/jira/browse/SPARK-11522
>             Project: Spark
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 1.5.1
>            Reporter: Simeon Simeonov
>            Assignee: Apache Spark
>              Labels: external-tables, hive, sql
>
> Given an external table definition where the data consists of many CSV files, {{input_file_name()}} returns empty strings.
> Table definition:
> {code}
> CREATE EXTERNAL TABLE external_test(page_id INT, impressions INT) 
> ROW FORMAT SERDE 'org.apache.hadoop.hive.serde2.OpenCSVSerde'
> WITH SERDEPROPERTIES (
>    "separatorChar" = ",",
>    "quoteChar"     = "\"",
>    "escapeChar"    = "\\"
> )  
> LOCATION 'file:///Users/sim/spark/test/external_test'
> {code}
> Query: 
> {code}
> sql("SELECT input_file_name() as file FROM external_test").show
> {code}
> Output:
> {code}
> +----+
> |file|
> +----+
> |    |
> |    |
> ...
> |    |
> +----+
> {code}



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