class Bmg::Sql::Processor::Rename
Public Class Methods
new(renaming, builder)
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Calls superclass method
Bmg::Sql::Processor::new
# File lib/bmg/sql/processor/rename.rb, line 6 def initialize(renaming, builder) super(builder) @renaming = renaming end
Public Instance Methods
on_select_item(sexpr)
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# File lib/bmg/sql/processor/rename.rb, line 17 def on_select_item(sexpr) return sexpr unless newname = @renaming[sexpr.as_name.to_sym] builder.select_item(sexpr.qualifier, sexpr.would_be_name, newname.to_s) end
on_select_list(sexpr)
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# File lib/bmg/sql/processor/rename.rb, line 11 def on_select_list(sexpr) sexpr.each_with_index.map{|child,index| index == 0 ? child : apply(child) } end