replace_named_bind_variables(statement, bind_vars) private

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# File activerecord/lib/active_record/sanitization.rb, line 182
        def replace_named_bind_variables(statement, bind_vars)
          statement.gsub(/(:?):([a-zA-Z]\w*)/) do |match|
            if $1 == ":" # skip postgresql casts
              match # return the whole match
            elsif bind_vars.include?(match = $2.to_sym)
              replace_bind_variable(bind_vars[match])
            else
              raise PreparedStatementInvalid, "missing value for :#{match} in #{statement}"
            end
          end
        end
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