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https://issues.apache.org/jira/browse/TAJO-381?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13853682#comment-13853682
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DaeMyung Kang commented on TAJO-381:
------------------------------------
"mvn clean install" is OK.
and I tested with mysql
testSimpleEval("select find_in_set('c',',c,,,') as col1 ", new String[]{"2"};
and
MariaDB [test]> select find_in_set('c',',c,,,,,');
+----------------------------+
| find_in_set('c',',c,,,,,') |
+----------------------------+
| 2 |
+----------------------------+
it is also ok.
This patch looks good to me.
[~hyunsik][~goodljy]
Does tajo just handle string as UTF-8?
I just worried one thing. when some strings are in different encodings. event
though, they are different but
byte arrays are same.(It is just my guessing.)
> find_in_set
> -----------
>
> Key: TAJO-381
> URL: https://issues.apache.org/jira/browse/TAJO-381
> Project: Tajo
> Issue Type: Improvement
> Reporter: Jae Young Lee
> Assignee: Jae Young Lee
> Priority: Minor
> Attachments: TAJO-381.patch
>
>
> find_in_set(str,str_array) - Returns the first occurrence of str in str_array
> where str_array is a comma-delimited string.
> Returns null if either argument is null. Returns 0 if the first argument has
> any commas.
> Example:
> "select find_in_set('cr','crt,c,cr,c,def') as col1 "
> -> result: 3
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