Class: SQLParser::Statement::Node

Inherits:

Object

Object
SQLParser::Statement::Node

Defined in:: lib/sql-parser/statement.rb

Direct Known Subclasses

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

Instance Method Summary collapse

Instance Method Details

#accept(visitor) ⇒ `Object`

# File 'lib/sql-parser/statement.rb', line 7

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

  if klass
    visitor.__send__("visit_#{demodulize(klass.name)}", self)
  else
    raise "No visitor for #{self.class.name}"
  end
end

#to_sql ⇒ `Object`



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# File 'lib/sql-parser/statement.rb', line 19

def to_sql
  SQLVisitor.new.visit(self)
end