Method parseAlterRole

parser/parse_system.go:1372–1412

(pos Pos)

}

func (p *Parser) parseAlterRole(pos Pos) (*AlterRole, error) {
	if err := p.expectKeyword(KeywordRole); err != nil {
		return nil, err
	}

	ifExists, err := p.tryParseIfExists()
	if err != nil {
		return nil, err
	}

	roleRenamePairs := make([]*RoleRenamePair, 0)
	roleRenamePair, err := p.parseRoleRenamePair(p.Pos())
	if err != nil {
		return nil, err
	}
	roleRenamePairs = append(roleRenamePairs, roleRenamePair)
	for p.tryConsumeTokenKind(TokenKindComma) != nil {
		roleRenamePair, err := p.parseRoleRenamePair(p.Pos())
		if err != nil {
			return nil, err
		}
		roleRenamePairs = append(roleRenamePairs, roleRenamePair)
	}
	statementEnd := roleRenamePairs[len(roleRenamePairs)-1].End()

	settings, err := p.tryParseRoleSettings(p.Pos())
	if err != nil {
		return nil, err
	}
	if settings != nil {
		statementEnd = settings[len(settings)-1].End()
	}

	return &AlterRole{
		AlterPos:        pos,
		StatementEnd:    statementEnd,
		IfExists:        ifExists,
		RoleRenamePairs: roleRenamePairs,
		Settings:        settings,
	}, nil
}

func (p *Parser) parseRoleRenamePair(_ Pos) (*RoleRenamePair, error) {
	roleName, err := p.parseRoleName(p.Pos())