Method parseAlterSequenceStatement

pkg/sql/parser/mariadb.go:122–146

parseAlterSequenceStatement parses: ALTER SEQUENCE [IF EXISTS] name [options...] The caller has already consumed ALTER and SEQUENCE.

()

// parseAlterSequenceStatement parses: ALTER SEQUENCE [IF EXISTS] name [options...]
// The caller has already consumed ALTER and SEQUENCE.
func (p *Parser) parseAlterSequenceStatement() (*ast.AlterSequenceStatement, error) {
	stmt := ast.NewAlterSequenceStatement()

	if strings.EqualFold(p.currentToken.Token.Value, "IF") {
		p.advance()
		if !strings.EqualFold(p.currentToken.Token.Value, "EXISTS") {
			return nil, p.expectedError("EXISTS")
		}
		p.advance()
		stmt.IfExists = true
	}

	name := p.parseIdent()
	if name == nil || name.Name == "" {
		return nil, p.expectedError("sequence name")
	}
	stmt.Name = name

	opts, err := p.parseSequenceOptions()
	if err != nil {
		return nil, err
	}
	stmt.Options = opts
	return stmt, nil
}

// parseSequenceOptions parses sequence option keywords until no more are found.
func (p *Parser) parseSequenceOptions() (ast.SequenceOptions, error) {