Class: SQLParser::Statement::Node

Inherits:

Object

Object
SQLParser::Statement::Node

show all

Defined in:: lib/rossoc/statement.rb

Direct Known Subclasses

Aggregate, All, ApproximateFloat, Arithmetic, As, Between, ComparisonPredicate, CurrentUser, DirectSelect, Distinct, Exists, False, FromClause, GroupByClause, HavingClause, Identifier, InColumnList, InValueList, Insert, JoinedTable, Literal, Null, On, OrderBy, OrderClause, OrderSpecification, QualifiedColumn, Rsleep, Rspeed, SearchCondition, Select, SelectList, Subquery, TableExpression, True, Unary, Using, WhereClause

Instance Method Summary collapse

Instance Method Details

#accept(visitor) ⇒ `Object`

# File 'lib/rossoc/statement.rb', line 11

def accept(visitor)
  klass = self.class.ancestors.find do |ancestor|
    visitor.respond_to?("visit_#{demodulize(ancestor.name)}")
  end

  raise "No visitor for #{self.class.name}" unless klass

  visitor.__send__("visit_#{demodulize(klass.name)}", self)
end

#to_sql ⇒ `Object`



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# File 'lib/rossoc/statement.rb', line 21

def to_sql
  SQLVisitor.new.visit(self)
end