Method parseElement

postgres/parser/sem/tree/parse_array.go:127–162

()

}

func (p *parseState) parseElement() error {
	var next string
	var err error
	r := p.peek()
	switch r {
	case '{':
		return nestedArraysNotSupportedError
	case '"':
		p.advance()
		next, err = p.parseQuotedString()
		if err != nil {
			return err
		}
		p.advance()
	default:
		if !isElementChar(r) {
			return malformedError
		}
		next, err = p.parseUnquotedString()
		if err != nil {
			return err
		}
		if strings.EqualFold(next, "null") {
			return p.result.Append(DNull)
		}
	}

	d, dependsOnContext, err := ParseAndRequireString(p.t, next, p.ctx)
	if err != nil {
		return err
	}
	if dependsOnContext {
		p.dependsOnContext = true
	}
	return p.result.Append(d)
}

// ParseDArrayFromString parses the string-form of constructing arrays, handling
// cases such as `'{1,2,3}'::INT[]`. The input type t is the type of the