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Resolved Powerbuilder 2017/R3 SQL-Server NVARCHAR(max) cut after 32766 characters
  1. Issue
  2.  ADO.NET
  3.  OLEDB
  4.  PowerBuilder (Appeon)
  5.  SQL Server
0 Votes
  1. Andreas Steinhauser
  2. PowerBuilder
  3. Tuesday, 22 October 2019 08:10 AM UTC

Hi,

currently we are using Powerbuilder 2017/R3 Build 1858 in connection with SQL-Server (2005 - 2017)! We defined a field with NVARCHAR(MAX) in a table. We try to select this field.

SQLNCLI9/10/11:

Regarding parameter PBMaxTextSize: field NVARCHAR(MAX) will be selected  correclty if we set this parameter for value 1000000.  But this client has been DEPRECATED since SQL-Server 2012!

SQLOLEDB/MSOLEDBSQL (direct connection) and ADO.Net (Namespace: System.Data.OleDB)

Parameter PBMaxTextSize does not exist and therefore the field will be cut after 32766 figures (not only in DW but also in Powerbuilder in general).

We tested this function with a select to this field in Powerbuilder under DATABSAE / ISQL Session (Select Field From Table). In ADO.Net even with error message:

           

When we tested the same Connect with C# (in Visual Studio), the field was selected correctly.

DBPARM (ConnectString):

SQLCA.DBParm = "PROVIDER='MSOLEDBSQL',DATASOURCE='ServerName','CommitOnDisconnect='No',PROVIDERSTRING='Database=Datenbase;App=MyApplication;DataTypeCompatibility=80'"

 The parameter: DBTextLimit=xxx – will be ignored!

Does a parameter exist for Powerbuilder which will select the data fields correctly (maybe in Powerbuilder 2019)?

 

App=/ApplicationName=/Application Name=/Application=/... with apostrophe / without apostrophe).

However, this parameter has to be set for our application.

Kindly support us in this matter.

Thanks,
Andreas

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