Function matchIDs

dialect/sql/sqlgraph/graph.go:2056–2064

(column1 string, pk1 []driver.Value, column2 string, pk2 []driver.Value)

}

func matchIDs(column1 string, pk1 []driver.Value, column2 string, pk2 []driver.Value) *sql.Predicate {
	p := matchID(column1, pk1)
	if len(pk2) > 1 {
		// Use "IN" predicate instead of list of "OR"
		// in case of more than on nodes to connect.
		return sql.And(p, sql.InValues(column2, pk2...))
	}
	return sql.And(p, sql.EQ(column2, pk2[0]))
}

// cartesian product of 2 id sets.
func product(a, b []driver.Value) [][2]driver.Value {