RE: CLI - Table name of colname after SQLDescribeCol

Hello Dirk 

> -----Original Message-----
> From: Horstmann, Dirk [mailto:[email protected]] 
> Sent: Dienstag, 17. Juli 2007 12:54
> To: [email protected]
> Subject: CLI - Table name of colname after SQLDescribeCol
> 
> Hi.
> I have a problem.
> I need after...
>  
> select * from table1, table 2
> ...SQLDescribeCol(hstmt, i, colname, sizeof(colname), &colnamelen,
> &coltype, &colSize,&colScale, NULL);
> ...
>  
> the table name from the colname.
>  
> SQLColAttribute(hstmt,i,SQL_DESC_TABLE_NAME
> ,tabname,sizeof(tabname),&l,NULL);
>  
> doesn't work. tabname = ""
>  
> How can i get the tablename ??

Unfortunately, this is not possible with kernel releases 7.6 and lower, since this information is not transfered to the clients. The ODBC reference allows this behavior.


Excert from SQLColAttribute (SQL_DESC_TABLE_NAME):
The name of the table that contains the column. The returned value is implementation-defined if the column is an expression or if the column is part of a view. 
If the table name cannot be determined, an empty string is returned.


Sorry for the inconvinience and regards
Thomas




----------------------------------------------
Dr. Thomas Kötter
SAP AG, Berlin
NW EIM MLC IFA

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