Method parseConstraintColumnList

pkg/sql/parser/ddl_columns.go:463–490

parseConstraintColumnList parses a parenthesized list of column names

()

// parseConstraintColumnList parses a parenthesized list of column names
func (p *Parser) parseConstraintColumnList() ([]string, error) {
	if !p.isType(models.TokenTypeLParen) {
		return nil, p.expectedError("( for column list")
	}
	p.advance() // Consume (

	var columns []string
	for {
		if !p.isIdentifier() {
			return nil, p.expectedError("column name")
		}
		columns = append(columns, p.currentToken.Token.Value)
		p.advance()

		if p.isType(models.TokenTypeComma) {
			p.advance()
			continue
		}
		break
	}

	if !p.isType(models.TokenTypeRParen) {
		return nil, p.expectedError(") after column list")
	}
	p.advance() // Consume )

	return columns, nil
}

// parseTypeArgsString consumes a balanced parenthesised type-argument list
// and returns it as a string (including the outer parens). Supports nested