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Error occurs when trying to fetch a 2nd result set from a stored procedure with the SQL Server Wire Protocol driver.

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TitleError occurs when trying to fetch a 2nd result set from a stored procedure with the SQL Server Wire Protocol driver.
URL NameMS-SQL-Server-returns-Number-of-bound-columns-exceeds-the-number-of-result-columns-in-a-stored-procedure-query
Article Number000176068
EnvironmentProduct: Connect for ODBC SQL Server Wire Protocol driver.
Version: 07.16.0294 (B0305, U0205)
OS: Linux
Database: SQL Server
Application: All supported applications
Question/Problem Description
Below error occurs when trying to fetch a 2nd result set from a stored procedure with the SQL Server Wire Protocol driver.
Steps to Reproduce
Clarifying Information
Error Message[DataDirect][ODBC SQL Server Wire Protocol driver]Number of bound columns exceeds the number of result columns.
Defect Number
Enhancement Number
Cause
The driver's current behavior is correct. 

Based on this specification:
“Any bindings that were established for the previous result set still remain valid. If the column structures are different for this result set, then callingSQLFetch or SQLFetchScroll may result in an error or truncation. To prevent this, the application has to call SQLBindCol to explicitly rebind as appropriate (or do so by setting descriptor fields). Alternatively, the application can call SQLFreeStmt with an Option of SQL_UNBIND to unbind all the column buffers.”

https://msdn.microsoft.com/en-us/library/ms714673%28v=vs.85%29.aspx
Resolution
This is expected behavior.
  • Call SQLFreeStmt with the option of SQL_UNBIND to unbind all the column buffers.
or
  •  Set connection option WorkArounds2=524288.
Workaround
Notes
Last Modified Date10/18/2016 6:35 AM
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