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module Arel
module Collectors
class Bind
def initialize
@parts = []
end
def << str
@parts << str
self
end
def add_bind bind
@parts << bind
self
end
def value; @parts; end
def substitute_binds bvs
bvs = bvs.dup
@parts.map do |val|
if Arel::Nodes::BindParam === val
bvs.shift
else
val
end
end
end
def compile bvs
substitute_binds(bvs).join
end
end
end
end
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