[jira] [Updated] (CASSANDRA-12174) COPY FROM should raise error for non-existing input files

["Stefan Podkowinski (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-12174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stefan Podkowinski updated CASSANDRA-12174:
-------------------------------------------
    Component/s: Tools

> COPY FROM should raise error for non-existing input files
> ---------------------------------------------------------
>
>                 Key: CASSANDRA-12174
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12174
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Tools
>            Reporter: Stefan Podkowinski
>            Priority: Minor
>              Labels: lhf
>
> Currently the CSV COPY FROM command will not raise any error for non-existing paths. Instead only "0 rows imported" will be shown as result. 
> As the COPY FROM command is often used for tutorials and getting started guides, I'd suggest to give a clear error message in case of a missing input file. Without such error it can be confusing for the user to see the command  actually finish, without any clues why no rows have been imported.
> {noformat}
> CREATE KEYSPACE test
>   WITH REPLICATION = { 'class' : 'NetworkTopologyStrategy', 'datacenter1' : 1 };
> USE test;
> CREATE TABLE airplanes (
>   name text PRIMARY KEY,
>   manufacturer ascii,
>   year int,
>   mach float
> );
> COPY airplanes (name, manufacturer, year, mach) FROM '/tmp/1234-doesnotexist';
> Using 3 child processes
> Starting copy of test.airplanes with columns [name, manufacturer, year, mach].
> Processed: 0 rows; Rate:       0 rows/s; Avg. rate:       0 rows/s
> 0 rows imported from 0 files in 0.216 seconds (0 skipped).
> {noformat}



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