[英]XPath query in DB2
I'm performing the following query in DB2 on a XML column and it works fine: 我正在DB2的XML列上执行以下查询,并且工作正常:
SELECT
FROM customer
WHERE contains(search_text,
'
@xpath:''/customer/number[. contains("123456")]''
', 'RESULTLIMIT = 100')=1;
but the following query doesn't work: 但是以下查询不起作用:
SELECT
FROM customer
WHERE contains(search_text,
'
@xpath:''/customer/number[. = "123456"]''
', 'RESULTLIMIT = 100')=1;
Any ideas why the second query doesn't work? 任何想法为什么第二个查询不起作用? The error I get is: ERROR [38H10] [IBM][DB2/LINUXX8664] SQL20423N Error occurred during text search processing on server "localhost" using index "CISC_CUSTOMER".
我得到的错误是:错误[38H10] [IBM] [DB2 / LINUXX8664] SQL20423N使用索引“ CISC_CUSTOMER”在服务器“本地主机”上的文本搜索处理期间发生错误。 The error message is ""IQQS0032E The query cannot be processe".
错误消息为““ IQQS0032E无法处理查询”。
<customer>
<number>
123456
</number>
<firstname>
John
</firstname>
<lastname>
Smith
</lastname>
</customer>
在DB2中,您只能在属性上使用“ =”,而在元素上只能使用“ contains”。
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