Method preprocessForContains

postgres/parser/json/contains.go:118–158

()

func (j jsonString) preprocessForContains() (containsable, error) { return containsableScalar{j}, nil }

func (j jsonArray) preprocessForContains() (containsable, error) {
	result := containsableArray{}
	for _, e := range j {
		switch e.Type() {
		case ArrayJSONType:
			preprocessed, err := e.preprocessForContains()
			if err != nil {
				return nil, err
			}
			result.arrays = append(result.arrays, preprocessed)
		case ObjectJSONType:
			preprocessed, err := e.preprocessForContains()
			if err != nil {
				return nil, err
			}
			result.objects = append(result.objects, preprocessed)
		default:
			preprocessed, err := e.preprocessForContains()
			if err != nil {
				return nil, err
			}
			result.scalars = append(result.scalars, preprocessed.(containsableScalar))
		}
	}

	var err error
	sort.Slice(result.scalars, func(i, j int) bool {
		if err != nil {
			return false
		}
		var c int
		c, err = result.scalars[i].JSON.Compare(result.scalars[j].JSON)
		return c == -1
	})

	if err != nil {
		return nil, err
	}

	return result, nil
}

func (j jsonObject) preprocessForContains() (containsable, error) {
	preprocessed := make(containsableObject, len(j))