ToC path:

mco_fh_record_zero_out

Reset the record’s fields to zeroes.

Prototype

 
    mco_fh_ret mco_fh_record_zero_out(/*IN*/ mco_fh_record_h rec);

Arguments

rec	The record handle

Description

This function resets the record’s fields to zeroes.

Return Codes

MCO_FH_OK	Record successfully destroyed
MCO_FH_E_BAD_HANDLE	The record handle is invalid

Example

 
     
    ...
    // retrieve next quote from the feed
    FeedQuote *quote = feed->nextQuote();
    std::vector<TableInfo>::iterator it;
    for (it = tables.begin(); it != tables.end(); ++it) 
    {
        // get handles of the previously created writer and record
        mco_fh_writer_t writer = it->writer;
        mco_fh_record_t record = it->record;
        // optionally, reset the record's contents
        mco_fh_record_zero_out(record);
        // fill only the required fields of the record
        for (size_t fieldIndex = 0; fieldIndex < it->fields.size(); fieldIndex++) 
        {
            if (it->fields[fieldIndex] == "symbol") 
            {
                mco_fh_record_set_field_string(record, fieldIndex, quote->symbol);
            } else if (it->fields[fieldIndex] == "exchangeCode") {
                mco_fh_record_set_field_int4(record, fieldIndex, quote->exchangeCode);
            } else if (it->fields[fieldIndex] == "bid") {
                mco_fh_record_set_field_float(record, fieldIndex, quote->bid);
            } else if (it->fields[fieldIndex] == "ask") {
                mco_fh_record_set_field_float(record, fieldIndex, quote->ask);
            } else if (it->fields[fieldIndex] == "isNBBO") {
                mco_fh_record_set_field_bool(record, fieldIndex, quote->isNBBO);
            }
        }
        // write the record to the database
        mco_fh_writer_store_record(writer, record);
    }
    ...