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Data data; // handle to class Data defined in schema
Datetime dt; // Datetine structure defined in schema
rc = mco_trans_start ( db, MCO_READ_WRITE, MCO_TRANS_FOREGROUND,
&t );
rc = Data_new( t,&data );
// put fields:
Data_pres_put(&data, get_pressure() );
Data_humid_put(&data, rand2(50, 70) );
Datetime_year_put ( &dt, year );Datetime_month_put(
&dt, month );
Datetime_day_put ( &dt, day );
Datetime_hour_put( &dt, hour );
Datetime_timestamp_put( &dt, get_clock() );
rc = mco_trans_commit (t);
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