[jira] [Commented] (KUDU-981) Validate table and column names

["Todd Lipcon (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KUDU-981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15710163#comment-15710163 ] 

Todd Lipcon commented on KUDU-981:
----------------------------------

I started putting a few restrictions in place in this patch: http://gerrit.cloudera.org:8080/5290

I agree that it's arbitrary, but given that we don't do any testing with really long table names or identifiers, I think it's best to put some guard rails in place, mostly to guard against a user writing some bug which accidentally tries to create a 1MB column name or somesuch. Based on research into other databases, relatively short limits on length are the norm.

In this above patch i didn't do any limiting of character sets, we can do that in a follow-up.

> Validate table and column names
> -------------------------------
>
>                 Key: KUDU-981
>                 URL: https://issues.apache.org/jira/browse/KUDU-981
>             Project: Kudu
>          Issue Type: Bug
>          Components: master
>    Affects Versions: Private Beta
>            Reporter: Todd Lipcon
>            Assignee: Will Berkeley
>            Priority: Critical
>         Attachments: naming-freedom.png
>
>
> Currently I believe we allow table names such as "", " ", etc. We should probably figure out a reasonable subset of characters and validate names.



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