Index corruption on method field
Steve Albin
steve at steve-albin.com
Mon Dec 30 07:39:07 CST 2013
Hi Bart,
Thanks for your reply. As it turns out, upgrading to version 5.5.1 fixes the problem. I did not notice anything in the release notes indicating this, but it does work.
I also tried cloning my database and that fixed the problem without upgrading to 5.5.1. Somehow, my database was using UTF-16BE (maybe because it was created during the days of PPC?) and that was a problem. I cloned the database to use UTF-16 and the index problem went away.
I still have to upgrade to 5.5.1 because there was an issue with cloning a UTF-16BE database that was fixed for 5.5.1.
But, all's well that ends well!
Steve
--
Steve Albin, Montclair, NJ
http://www.steve-albin.com
http://www.jazzdiscography.com
On Dec 30, 2013, at 3:16 AM, Bart Pietercil <bart.pietercil at cognosis.be> wrote:
> Hi Steve,
>
> couple of things you might want to try:
>
> 1) Does searching for LIKE ‘ZAS%’ produce a result?
> 2) (gutfeeling) What happens if you define your method as concat(upper(lname),’ ‘,upper(fname)) ?
>
> hth
>
>
>
>
> —
> Our office will be closed on:
> 24 (afternoon) - 25 - 31/12/2013 & 01/01/2014
>
> Bart Pietercil
> Sent with aMac
>
> On 27 Dec 2013 at 23:54:15, Steve Albin (steve at steve-albin.com) wrote:
>
>> Using V4RB 5.3.4, I'm having problems updating a table and then doing a search for the record.
>>
>> My table is basically a list of just under 10,000 person names. I have an method field called UpName and it is indexed. The method is simple: Upper(Concat(lname, ' ' , fName)). lname and fname are varchar fields of 512 length.
>>
>> If I add a record with the last name low in the alphabet, it usually works fine. So, I add my name, "Steve Albin" and then do the following search:
>> SELECT * FROM tblNames WHERE UpName LIKE 'alb%'
>>
>> This will work fine. But if I add a name with a higher letter in the alphabet, the search will not work. So, if I add "Ruslan Zasukhin" and then do this search:
>> SELECT * FROM tblNames WHERE UpName LIKE 'zas%'
>>
>> the record will not be found. But once I reindex the database, the record will be found.
>>
>> I think my question is, what are things I could look for in my schema that may cause this. I don't think I've found some Valentina bug, but instead I may have implemented something incorrectly. Problem is, I can't see what.
>>
>> Maybe I should not use a method field for an index? I could create this field directly if I need to.
>>
>> Thanks for any ideas.
>>
>> Steve
>>
>> --
>> Steve Albin, Montclair, NJ
>> http://www.steve-albin.com
>> http://www.jazzdiscography.com
>>
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