Function SQLFetch 

pub unsafe extern "C" fn SQLFetch(
    statement_handle: SQLHSTMT,
) -> SQLRETURN

SQLFetch fetches the next rowset of data from the result set and returns data for all bound columns.

Returns

SQL_SUCCESS, SQL_SUCCESS_WITH_INFO, SQL_ERROR, SQL_INVALID_HANDLE, SQL_NO_DATA or SQL_STILL_EXECUTING