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From "Satheesh Bandaram (JIRA)" <derby-...@db.apache.org>
Subject [jira] Commented: (DERBY-52) Cannot create CHAR column with size greater than 254
Date Thu, 04 Nov 2004 19:14:32 GMT
     [ http://nagoya.apache.org/jira/browse/DERBY-52?page=comments#action_55055 ]
     
Satheesh Bandaram commented on DERBY-52:
----------------------------------------

I believe the documentation is wrong here... The maximum size of CHAR allowed in Derby is
254, so the documentation needs to be changed.

> Cannot create CHAR column with size greater than 254
> ----------------------------------------------------
>
>          Key: DERBY-52
>          URL: http://nagoya.apache.org/jira/browse/DERBY-52
>      Project: Derby
>         Type: Bug
>   Components: SQL
>     Versions: 10.0.2.0
>  Environment: Dell Dimension 2350, 2GHz P4, 1 Gig RAM, 
> Window XP Pro Version 2002, SP2
> JDK 1.4.2_03, build 1.4.2_03-b02
> Derby Snapshot SVN version 46005 (Binaries)
>     Reporter: Jason Palmatier

>
> An attempt to create a table that contains a column of type CHAR with a size greater
than 254 using the SQL statement
> CREATE TABLE dummyTable ( column1 char(255),column2 char(10),column3 char(10) )
> results in the following SQL Exception:
> SQL Exception: The length, precision, or scale attribute for column, or type mapping
'CHAR(255)' is not valid.
> SQL Error: 30000
> SQL State: 42611
> However, if you decrease column1's length by one as below, the table is created successfully:
> CREATE TABLE dummyTable ( column1 char(254),column2 char(10),column3 char(10) )
> The Derby Reference Manual states that the limit on the length of a CHAR data type is
java.lang.Integer.MAX_VALUE:
> http://incubator.apache.org/derby/manuals/reference/sqlj128.html#HDRSII-SQLJ-13733

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