[jira] Issue Comment Edited: (CAY-1470) Oracle: Problem with bind CHAR in select

["Evgeny Ryabitskiy (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CAY-1470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895285#action_12895285 ] 

Evgeny Ryabitskiy edited comment on CAY-1470 at 8/4/10 11:15 AM:
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In this case I will lose performance since indexes are not used:

SELECT * FROM tUser WHERE TRIM(Brief) = 'credit'

TABLE ACCESS     FULL



SELECT * FROM tUser WHERE Brief = 'credit'

TABLE ACCESS     BY INDEX ROWID
RANGE SCAN


      was (Author: apparition):
    In this case I will lose performance since I don't use indexes:

SELECT * FROM tUser WHERE TRIM(Brief) = 'credit'

TABLE ACCESS     FULL



SELECT * FROM tUser WHERE Brief = 'credit'

TABLE ACCESS     BY INDEX ROWID
RANGE SCAN

  
> Oracle: Problem with bind CHAR in select
> ----------------------------------------
>
>                 Key: CAY-1470
>                 URL: https://issues.apache.org/jira/browse/CAY-1470
>             Project: Cayenne
>          Issue Type: Bug
>          Components: Core Library
>    Affects Versions: 2.0 branch, 3.0
>            Reporter: Evgeny Ryabitskiy
>            Assignee: Evgeny Ryabitskiy
>            Priority: Critical
>             Fix For: 2.0.5, 3.1M1
>
>
> I have Table tUser
> desc tUser
> Name                           Null                Type                                                                                                                                                                                          
> ------------------------------ -------- 
> USERID                         NOT NULL NUMBER(15)                                                                                                                                                                                    
> BRIEF                             NOT NULL CHAR(30)   
> And wish to find user with BRIEF 'credit' :
> INFO  QueryLogger: Detected and installed adapter: org.apache.cayenne.dba.oracle.OracleAdapter
> INFO  QueryLogger: SELECT * FROM tUser WHERE Brief = ? [bind: 'credit']
> INFO  QueryLogger: === returned 0 rows. - took 125 ms.
> But if I try whitespaces at the end I would get:
> INFO  QueryLogger: SELECT * FROM tUser WHERE Brief = ? [bind: 'credit                        ']
> INFO  QueryLogger: === returned 1 row. - took 109 ms.
> It's absolutely not CROSS DB behavior!

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