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Clarion And Pervasive SQL Problems

Clarion And Pervasive SQL Problems

Clarion And Pervasive SQL Problems

(OP)
Hi all,
 
I just started using Pervasive SQL with Clarion 5.5, but i got some errors, when the application tries to create a table who contains a string(1000) field, returns me the following error: "Maximum column length exceeded".
 
Now, when i try to export from Pervasive to Clarion this table using LongVarChar for the string(1000) field, Clarion don't recognize this data type.
 
What data type can i use for big strings(1000 or more chars)?
 
Thanks for your help.
 

Saludos.
Rafael Sotelo
SCSI S.A. de C.V.
Tel. 616-25-27
www.solucionesyconsultoria.com

RE: Clarion And Pervasive SQL Problems

I do not how Pervasive handles it but in MS-SQL if you want to have a string field more that 8000 bytes then I would define a TEXT field on the Database and use CSTRING(n) in Clarion.

Also the equivalent of varchar(n) is CSTRING(n) not STRING(n).

RE: Clarion And Pervasive SQL Problems

Hi,

I think that Pervasive.SQL limits the length of a string to 254 caracters (??). Maybe you could try using a group :

PervasiveTable  FILE,DRIVER('Scalable'),CREATE
Record              RECORD,PRE()
TheLongString               GROUP
Part1                         STRING(250)
Part2                         STRING(250)
Part3                         STRING(250)
Part4                         STRING(250)
                            END
OtherField1                 LONG
OtherField2                 LONG
OtherField3                 LONG
OtherField4                 LONG
                         END
                     END                       

Valery.

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