postgresql*:::statement-start
/copyinstr(arg0) != "<IDLE>"/
{
  self->ts = timestamp;
  self->sql = copyinstr(arg0);
}

postgresql*:::statement-start
/self->ts/
{
  @[self->sql] = quantize((timestamp - self->ts)/1000000);
  @["aggregate"] = quantize((timestamp - self->ts)/1000000);
  self->sql = copyinstr(arg0);
  self->ts = timestamp;
}

postgresql*:::statement-start
/self->ts && self->sql == "<IDLE>"/
{
  self->sql = 0;
  self->ts = 0;
}