调用合并如下: -
<update id="exceMerge" parameterType="hashmap">
MERGE INTO USERS U USING DUAL ON (U.PROPERTY_NAME=#{prop_name})
WHEN MATCHED THEN
UPDATE SET U.PROPERTYVALUE=#{prop_value}, U.MESSAGE=#{message,javaType=String,jdbcType=CLOB}
WHEN NOT MATCHED THEN
INSERT(PROPERTY_NAME, PROPERTYVALUE, MESSAGE) VALUES (#{prop_name},#{prop_value},#{message,javaType=String,jdbcType=CLOB})
</update>
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