Function metadataPrunerPred

compiler/optimizer/pruner.go:308–326

(op string, this *dag.ThisExpr, literal *dag.PrimitiveExpr)

}

func metadataPrunerPred(op string, this *dag.ThisExpr, literal *dag.PrimitiveExpr) *dag.BinaryExpr {
	min := dag.NewThis(append(slices.Clone(this.Path), "min"))
	max := dag.NewThis(append(slices.Clone(this.Path), "max"))
	switch op {
	case "<":
		return compare("<", min, literal)
	case "<=":
		return compare("<=", min, literal)
	case ">":
		return compare(">", max, literal)
	case ">=":
		return compare(">=", max, literal)
	case "==":
		return dag.NewBinaryExpr("and",
			compare(">=", literal, min),
			compare("<=", literal, max))
	}
	panic("metadataPrunerPred unknown op " + op)
}