[jira] [Commented] (DRILL-4658) cannot specify tab as a fieldDelimiter in table function

["Jacques Nadeau (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DRILL-4658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15275346#comment-15275346 ] 

Jacques Nadeau commented on DRILL-4658:
---------------------------------------

Can you try using unicode escaping?

{code}
select columns[0] as a, cast(columns[1] as bigint) as b from table(dfs.tmp.`sample_cast.tsv`(type => 'text', fieldDelimiter => U&'\0009', skipFirstLine => true));
{code}


> cannot specify tab as a fieldDelimiter in table function
> --------------------------------------------------------
>
>                 Key: DRILL-4658
>                 URL: https://issues.apache.org/jira/browse/DRILL-4658
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: SQL Parser
>    Affects Versions: 1.6.0
>         Environment: Mac OS X, Java 8
>            Reporter: Vince Gonzalez
>
> I can't specify a tab delimiter in the table function because it maybe counts the characters rather than trying to interpret as a character escape code?
> {code}
> 0: jdbc:drill:zk=local> select columns[0] as a, cast(columns[1] as bigint) as b from table(dfs.tmp.`sample_cast.tsv`(type => 'text', fieldDelimiter => '\t', skipFirstLine => true));
> Error: PARSE ERROR: Expected single character but was String: \t
> table sample_cast.tsv
> parameter fieldDelimiter
> SQL Query null
> [Error Id: 3efa82e1-3810-4d4a-b23c-32d6658dffcf on 172.30.1.144:31010] (state=,code=0)
> {code}



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