Method parseAttrs

parser/attribute.go:22–48

parseAttrs parses the list of attributes passed to the SELECT clause.

(attributes *[]string, modifiers *map[string][]query.Modifier)

// parseAttrs parses the list of attributes passed to the SELECT clause.
func (p *parser) parseAttrs(attributes *[]string, modifiers *map[string][]query.Modifier) error {
	for {
		ident := p.expect(tokenizer.Identifier)
		if ident == nil {
			return p.currentError()
		}

		if ident.Raw == "*" || ident.Raw == "all" {
			*attributes = allAttributes
		} else {
			p.current = ident

			attrModifiers := make([]query.Modifier, 0)
			attribute, err := p.parseAttr(&attrModifiers)
			if err != nil {
				return err
			}
			*attributes = append(*attributes, attribute.Raw)
			(*modifiers)[attribute.Raw] = attrModifiers
		}

		if p.expect(tokenizer.Comma) == nil {
			break
		}
	}
	return nil
}

// parseAttr recursively parses an attribute's modifiers and returns the
// associated attribute.