# File lib/new_relic/agent/database/obfuscator.rb, line 38
        def set_sql_obfuscator(type, &block)
          if type == :before
            @obfuscator = NewRelic::ChainedCall.new(block, @obfuscator)
          elsif type == :after
            @obfuscator = NewRelic::ChainedCall.new(@obfuscator, block)
          elsif type == :replace
            @obfuscator = block
          else
            fail "unknown sql_obfuscator type #{type}"
          end
        end