Method parseBracketArrayLiteral

pkg/sql/parser/expressions_complex.go:352–381

parseBracketArrayLiteral parses a ClickHouse-style bare bracket array literal: [expr, expr, ...]. The opening '[' is the current token.

()

// parseBracketArrayLiteral parses a ClickHouse-style bare bracket array
// literal: [expr, expr, ...]. The opening '[' is the current token.
func (p *Parser) parseBracketArrayLiteral() (*ast.ArrayConstructorExpression, error) {
	p.advance() // Consume [

	arrayExpr := ast.GetArrayConstructor()

	if !p.isType(models.TokenTypeRBracket) {
		for {
			elem, err := p.parseExpression()
			if err != nil {
				return nil, err
			}
			arrayExpr.Elements = append(arrayExpr.Elements, elem)

			if p.isType(models.TokenTypeComma) {
				p.advance()
			} else if p.isType(models.TokenTypeRBracket) {
				break
			} else {
				return nil, p.expectedError(", or ]")
			}
		}
	}

	if !p.isType(models.TokenTypeRBracket) {
		return nil, p.expectedError("]")
	}
	p.advance() // Consume ]

	return arrayExpr, nil
}