Method IsComposite

pkg/sql/sem/tree/datum.go:3998–4034

IsComposite implements the CompositeDatum interface.

()

// IsComposite implements the CompositeDatum interface.
func (d *DJSON) IsComposite() bool {
	switch d.JSON.Type() {
	case json.NumberJSONType:
		dec, ok := d.JSON.AsDecimal()
		if !ok {
			panic(errors.AssertionFailedf("could not convert into JSON Decimal"))
		}
		DDec := DDecimal{Decimal: *dec}
		return DDec.IsComposite()
	case json.ArrayJSONType:
		jsonArray, ok := d.AsArray()
		if !ok {
			panic(errors.AssertionFailedf("could not extract the JSON Array"))
		}
		for _, elem := range jsonArray {
			dJsonVal := DJSON{elem}
			if dJsonVal.IsComposite() {
				return true
			}
		}
	case json.ObjectJSONType:
		if it, err := d.ObjectIter(); it != nil && err == nil {
			// Assumption: no collated strings are present as JSON keys.
			// Thus, JSON keys are not being checked if they are
			// composite or not.
			for it.Next() {
				valDJSON := NewDJSON(it.Value())
				if valDJSON.IsComposite() {
					return true
				}
			}
		} else if err != nil {
			panic(errors.NewAssertionErrorWithWrappedErrf(err, "could not receive an ObjectKeyIterator"))
		}
	}
	return false
}

// ParseDJSON takes a string of JSON and returns a DJSON value.
func ParseDJSON(s string) (Datum, error) {