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CursorAdapters and VARCHAR(MAX) columns in SQL
Message
From
04/06/2008 10:35:57
Cetin Basoz
Engineerica Inc.
Izmir, Turkey
 
General information
Forum:
Visual FoxPro
Category:
Databases,Tables, Views, Indexing and SQL syntax
Environment versions
Visual FoxPro:
VFP 9 SP2
OS:
Windows XP SP2
Network:
Windows 2003 Server
Database:
MS SQL Server
Miscellaneous
Thread ID:
01321461
Message ID:
01321602
Views:
30
>I ran across an issue today creating a cursor adapter. I wanted to map a datetime in SQL to a date in VFP, so I checked the box in the builder to "Use CursorSchema when filling cursor" and clicked the "Build" button to get the default schema. I changed my T column type to a D and then moved on to the Auto-Update tab of the Builder where I got the following error dialog
>
>---------------------------
>CursorAdapter Builder
>---------------------------
>An error occurred in this builder. The details are:
>
>
>
>Error #: 1713
>
>Message: Field width or number of decimal places is invalid.
>
>Line #: 0
>
>Method: OMEMBER.getfieldslistfromschema
>
>
>
>Would you like to close the builder?
>---------------------------
>Yes No
>---------------------------
>
>Turns out that one of the columns is a VARCHAR(MAX) - something new in SQL Server and VFP doesn't like it much. The "Use memo when character field length greater than __" setting doesn't help.
>
>I manually changed the C(255) the builder put in for me to M and life was good again.

I don't have problems using Varchar(max) with cursoradapter but I don't use the builder + I set MapBinary and MapVarChar to .t.
Cetin
Çetin Basöz

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