[jira] [Commented] (PHOENIX-2170) WHERE condition with string expression returns incorrect results

["James Taylor (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/PHOENIX-2170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15770750#comment-15770750 ] 

James Taylor commented on PHOENIX-2170:
---------------------------------------

That's not good. Looks like a bug in LOWER or the concat operator. Does this return the expected row?
{code}
select * from TEST where lower(FIRST_NAME) || ' ' || lower(LAST_NAME) = 'joe smith';
{code}


> WHERE condition with string expression returns incorrect results
> ----------------------------------------------------------------
>
>                 Key: PHOENIX-2170
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-2170
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.5.0
>            Reporter: Dan Meany
>            Assignee: Kevin Liew
>              Labels: verify
>             Fix For: 4.10.0
>
>         Attachments: PHOENIX-2170.patch
>
>   Original Estimate: 504h
>  Remaining Estimate: 504h
>
> Results incorrect for string expression in where clause.
> {code:sql}
> create table TEST (ID BIGINT PRIMARY KEY, FIRST_NAME VARCHAR,LAST_NAME VARCHAR);
> upsert into TEST (ID, FIRST_NAME, LAST_NAME) values (1,'Joe','Smith');
> {code}
> /* incorrectly returns 0 */
> {code:sql}
> select count(*) from TEST where lower(FIRST_NAME || ' ' || LAST_NAME) = 'joe smith';
> {code}
> /* incorrectly returns no rows */
> {code:sql}
> select * from TEST where lower(FIRST_NAME || ' ' || LAST_NAME) = 'joe smith';
> {code}
> /* correctly returns 1 */
> {code:sql}
> select count(*) from TEST where lower(FIRST_NAME || ' ' ) = 'joe ';
> select count(*) from TEST where lower(' ' || LAST_NAME) = ' smith';
> select count(*) from TEST where lower(FIRST_NAME || ' ' || ' ') = 'joe  ';
> {code}
> /* correctly returns 'joe smith' */
> {code:sql}
> select LOWER(FIRST_NAME||' '||LAST_NAME) from TEST;
> {code}



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