[Building Sakai] truncating to fit field

[Charles Hedrick]

I was hoping a couple of Oracle sites would say “Don’t worry, we all run with NLS_LENGTH_SEMANTICS = char”.

Short of that, substrb appears to be an Oracle function. I’m going through the Sakai data layer, so I don’t have access to that. Furthermore, it could result in half a UTF-8 character. I have found a Java function that will do the job, but I wondered if there was a standard Sakai approach to this. Surely Lessons isn’t the only place with this problem.

On Feb 27, 2014, at 3:54 PM, Steve Swinsburg <steve.swinsburg at gmail.com> wrote:

> The field is declared wrong, if it's going to store utf8 but use substrb or substrc to trim the string in bytes or utf8 chars.
> 
> Cheers
> Steve
> 
> sent from my mobile device
> 
> On 28/02/2014 3:29 AM, "Charles Hedrick" <hedrick at rutgers.edu> wrote:
> I am generating a group name. The maximum length is 99 characters. In mysql it appears that truncating to 99 characters is fine, because mysql interprets field lengths in characters.
> 
> However in Oracle, unless the declaration uses “char”, it is understood to be bytes. That means that UTF-8 characters can take more than one space. Is there some standard method in Sakai to truncate a string to a length that will fit into a given database field?
> 
> Unfortunately, the SAKAI_SITE_GROUP is defined in oracle using field names without “char” after them.
> 
> 
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