我想尝试从xmltype中删除空标记。我从oracle类型生成了以下xml。在集合中,几个元素没有值,因此我使用空标记生成。
任何人都可以帮助我:
实际输出:
<MESSAGE>
<LOCATIONS>
<LOCATION_ID>9999</LOCATION_ID>
<LOC_TYPE>S</LOC_TYPE>
<NAME>Test Location</NAME>
<PHONE_NUM>08 </PHONE_NUM>
<LAST_MODIFIED_BY/>
<LAST_MODIFIED_DATE/>
<POS_CODE/>
</LOCATIONS>
</MESSAGE>
预期产出:
<MESSAGE>
<LOCATIONS>
<LOCATION_ID>9999</LOCATION_ID>
<LOC_TYPE>S</LOC_TYPE>
<NAME>Test Location</NAME>
<PHONE_NUM>08 </PHONE_NUM>
</LOCATIONS>
</MESSAGE>
答案 0 :(得分:2)
使用DELETEXML
并查找XPath //*[not(text())][not(*)]
以查找不包含文字且没有子项的元素:
Oracle 11g R2架构设置:
CREATE TABLE table_name ( xml ) AS
SELECT XMLTYPE( '<MESSAGE>
<LOCATIONS>
<LOCATION_ID>9999</LOCATION_ID>
<LOC_TYPE>S</LOC_TYPE>
<NAME>Test Location</NAME>
<PHONE_NUM>08 </PHONE_NUM>
<LAST_MODIFIED_BY/>
<LAST_MODIFIED_DATE/>
<POS_CODE/>
</LOCATIONS>
</MESSAGE>' ) FROM DUAL;
查询1 :
SELECT DELETEXML(
xml,
'//*[not(text())][not(*)]'
).getStringVal()
FROM table_name
<强> Results 强>:
| DELETEXML(XML,'//*[NOT(TEXT())][NOT(*)]').GETSTRINGVAL() |
|-----------------------------------------------------------------------------------------------------------------------------------------------------|
| <MESSAGE><LOCATIONS><LOCATION_ID>9999</LOCATION_ID><LOC_TYPE>S</LOC_TYPE><NAME>Test Location</NAME><PHONE_NUM>08 </PHONE_NUM></LOCATIONS></MESSAGE> |
答案 1 :(得分:0)
SELECT
deletexml(xml_data, '//*[not(text())][not(*)]').getstringval()
FROM
(
SELECT
xmltype('<MESSAGE>
<LOCATIONS>
<LOCATION_ID>9999</LOCATION_ID>
<LOC_TYPE>S</LOC_TYPE>
<NAME>Test Location</NAME>
<PHONE_NUM>08 </PHONE_NUM>
<LAST_MODIFIED_BY/>
<LAST_MODIFIED_DATE/>
<POS_CODE/>
</LOCATIONS>
</MESSAGE>'
) xml_data
FROM
dual
)
这很好,谢谢