class Arel::TreeManager - arel-2.1.4 Documentation

ast[R]

engine[R]

visitor[RW]

initialize_copy(other) click to toggle source

# File lib/arel/tree_manager.rb, line 24
def initialize_copy other
  super
  @ast = @ast.clone
end

to_dot() click to toggle source

# File lib/arel/tree_manager.rb, line 16
def to_dot
  Visitors::Dot.new.accept @ast
end

to_sql() click to toggle source

# File lib/arel/tree_manager.rb, line 20
def to_sql
  @visitor.accept @ast
end

where(expr) click to toggle source

# File lib/arel/tree_manager.rb, line 29
def where expr
  if Arel::TreeManager === expr
    expr = expr.ast
  end
  @ctx.wheres << expr
  self
end

new(engine) click to toggle source

# File lib/arel/tree_manager.rb, line 10
def initialize engine
  @engine  = engine
  @visitor = Visitors.visitor_for @engine
  @ctx     = nil
end