paul malm wrote:
>
>
> Hi,
> I dont know much about databases, and I have a question
>
> I've just installed PostgreSLQ.
> Now I would like to get the number of rows selected via a ODBC SQL
> statement in C++. I would like to know the amount before I do Fetch.
>
> This is a little example of what I do in c++:
>
> selStr="select * from layer where visible = 1");
> rc = SQLAllocHandle(SQL_HANDLE_STMT, ConHandle, &StmtHandle);
> if(rc == SQL_SUCCESS)
> {
> SQLSetStmtOption(StmtHandle, SQL_CONCURRENCY,
> SQL_CONCUR_READ_ONLY);
> SQLSetStmtOption(StmtHandle, SQL_CURSOR_TYPE,
> SQL_CURSOR_KEYSET_DRIVEN);
> SQLSetStmtOption(StmtHandle, SQL_ROWSET_SIZE, m_rows);
> rc = SQLExecDirect(StmtHandle, (SQLCHAR *)selStr,
> SQL_NTS);
> ...
> ...
> ...
> How do I know how many rows that was found??
>
>
> Kind regards,
>
> Paul Malm
>
>
>
Use SQLRowCount ODBC function
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