sprintf(query,"SELECT * FROM tValue WHERE subject_id='%d' AND parameters_id='%d' AND protocol='%s' AND characteristics='%s'",p->subject_id,p->parameters_id,p->protocols_array[i],ch);
if(p->start_time_timestamp)
sprintf(query+strlen(query)," AND timestamp_sec >= '%u'",
(unsignedint)(p->start_time_timestamp));
if(p->end_time_timestamp)
sprintf(query+strlen(query)," AND timestamp_sec <= '%u'",
(unsignedint)(p->end_time_timestamp));
if(statistics&&strlen(statistics))
sprintf(query+strlen(query)," AND statistics='%s'",statistics);