Method Compare

pkg/sql/sem/tree/datum.go:3357–3383

Compare implements the Datum interface.

(ctx *EvalContext, other Datum)

// Compare implements the Datum interface.
func (d *DArray) Compare(ctx *EvalContext, other Datum) int {
	if other == DNull {
		// NULL is less than any non-NULL value.
		return 1
	}
	v, ok := UnwrapDatum(ctx, other).(*DArray)
	if !ok {
		panic(makeUnsupportedComparisonMessage(d, other))
	}
	n := d.Len()
	if n > v.Len() {
		n = v.Len()
	}
	for i := 0; i < n; i++ {
		c := d.Array[i].Compare(ctx, v.Array[i])
		if c != 0 {
			return c
		}
	}
	if d.Len() < v.Len() {
		return -1
	}
	if d.Len() > v.Len() {
		return 1
	}
	return 0
}

// Prev implements the Datum interface.
func (d *DArray) Prev(_ *EvalContext) (Datum, bool) {