<select id="findByUuid"  resultMap="TicketResult" parameterType="String">
		select * from t_ticket 
		<where>
			<if test="_parameter!=null">
			 uuid=#{_parameter}
			</if>
		</where>
	</select>

<if test="start!=null and size!=null">
		limit #{start},#{size}
		</if>
 

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