Ns_PdSendRowInfo

Overview

Send a row to the client.

Syntax

    void Ns_PdSendRowInfo(Ns_PdRowInfo * rowInfo);

Description

This function sends a row encapsulated in an Ns_PdRowInfo structure to the client.

Psuedo-code Example

    /* Things italicized would be your DBMS-specific structures and 
calls. */
    /* defined in nspd.h */ 
    typedef struct Ns_PdRowData {
    int elSize;
    char *elData;
    } Ns_PdRowData;
    typedef struct Ns_PdRowInfo {
        int             numColumns;
        Ns_PdRowData   *rowData;
    }; 
    void 
    DBMSFunction (void) { /* similiar to Ns_PdDbGetTableInfo */
        
        Ns_PdRowInfo   *getRowInfo, *bindRowInfo;
        /* Exec SQL and "select" data from a table */
        /*   ...    */
        if ((bindRowInfo = DBMSBindRow(state)) != NULL) {
           
           getRowInfo = 
Ns_PdNewRowInfo(Ns_PdGetRowInfoNumColumns(bindRowInfo));
           if (getRowInfo != NULL) {
                status = NS_OK;
                Ns_PdSendString(OK_STATUS);
                Ns_PdSendRowInfo(bindRowInfo);  /* sends list of 
column names */
                while ((getRowRet = DBMSGetRow(handle, 
                        getRowInfo)) == NS_OK) {
                        /* send row info */
                        Ns_PdSendRowInfo(getRowInfo);
                }
                Ns_PdSendData(END_DATA, strlen(END_DATA)); /* NULL 
row terminates rows */
                if (getRowRet == DB_END_DATA) {
                    status = NS_OK;
                } else {
                  Ns_PdLog(Error, "GetTableInfo: incomplete data sent 
to client.");
                }        
                /* free the getRowInfo structure when done */
                Ns_PdFreeRowInfo(getRowInfo, 0);
               
           }
           /* free the bindRowInfo data and structure when done */
           Ns_PdFreeRowInfo(bindRowInfo, 1);
        }
    }

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