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From Håvard Mork (JIRA) <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-1262) Like-predicates: % does not match tab character
Date Thu, 01 Jun 2006 10:55:30 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1262?page=all ]

Håvard Mork updated DERBY-1262:
-------------------------------

    Attachment: 1262_4.diff

Attached new patch with corrections (thanks, Bernt)
- using the more efficient stringbuffer.setLength for null-char padding
- esc (0x1b) as control char in test case, to avoid potential future tab->space conversion.


> Like-predicates: % does not match tab character
> -----------------------------------------------
>
>          Key: DERBY-1262
>          URL: http://issues.apache.org/jira/browse/DERBY-1262
>      Project: Derby
>         Type: Bug

>   Components: SQL
>     Versions: 10.0.2.0
>  Environment: Embedded, Solaris 10 x86
>     Reporter: Øystein Grøvlen
>  Attachments: 1262.diff, 1262_3.diff, 1262_4.diff
>
> % in like predicates does not seem to match tab character.  In the following example
all whitespace in character literals is the tab character:
> ij> create table t4(i integer primary key, j integer, c varchar(10));
> 0 rows inserted/updated/deleted
> ij> insert into t4 values (1, 1, 'abc	def');
> 1 row inserted/updated/deleted
> ij> select * from t4 where c like 'abc%';
> I          |J          |C         
> ----------------------------------
> 0 rows selected
> ij> select * from t4 where c like 'abc	%';
> I          |J          |C         
> ----------------------------------
> 1          |1          |abc    def   
> 1 row selected

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