Function initialize_counts

src/backend/executor/nodeSetOp.c:79–83

* Initialize state for a new group of input values. */

 * Initialize state for a new group of input values.
 */
static inline void
initialize_counts(SetOpStatePerGroup pergroup)
{
	pergroup->numLeft = pergroup->numRight = 0;
}

/*
 * Advance the appropriate counter for one input tuple.