mco_uda_to_mco

Make a “native” object handle from a UDA object handle.

Prototype

 
    MCO_RET mco_uda_to_mco(	/*IN*/ mco_uda_object_handle_t * udaobj,
                 /*OUT*/ MCO_Hf * ret );
 

Arguments

udaobj Handle of a UDA object

ret

The address of a variable to receive the "native" database object handle

Description

This function makes a “native” object handle from a UDA object handle. This can be useful when it is necessary to mix UDA calls with native API calls that have no UDA counterpart, for example, XML functions.

Return Codes

MCO_S_OK Object handle successfully returned
MCO_E_UDA_STRUCT_NOT_CLASS Invalid object handle

Example

 
    Application snippet:
        
     
    int main(int argc, char* argv[])
    {
        MCO_RET rc;
        mco_db_h db;
        mco_trans_h t;
        mco_cursor_t csr;
        unsigned short index_no = 2;
        unsigned short field_no;
        mco_uda_object_handle_t uda_obj;
        Record rec_obj;
        ...
 
        rc = mco_trans_start(db, MCO_READ_WRITE, MCO_TRANS_FOREGROUND, &t);
        if ( MCO_S_OK == rc)
        {
            ...
            rc = mco_uda_cursor(t, rec_struct_no, index_no, &csr);
            rc = mco_cursor_first(t, &csr);
            rc = mco_uda_from_cursor(t, &csr, &uda_obj); /* Get object handle from cursor */
            rc = mco_uda_to_mco(&uda_obj, &rec_obj);
        
            if ( MCO_S_OK == rc) 
            {
                /* Do something with the Record object */
                ...
            }
        }
        ...
    }
     
 

Files

Header file:
mcouda.h
Source file:
mcouda.c
Library:
libmcouda.a