从XML列查询属性

时间:2019-04-18 21:02:24

标签: sql-server xml tsql

我需要从Output\OutputFields\OutputField列的所有SPEC中获取“名称”字段的值。

create table T
( 
     ID uniqueidentifier default newid(), 
     SPEC xml
);

insert into T (SPEC)
values (N'<QueryViewSpec xmlns="bb_appfx_queryview" xmlns:common="bb_appfx_commontypes">
<Output>
<OutputFields>
  <OutputField Caption="Key name prefix" Name="KEYNAMEPREFIX" CaptionResourceKey="$$key_name_prefix" />
  <OutputField Caption="Number of employees" Name="NUMEMPLOYEES" CaptionResourceKey="$$number_of_employees" />
  <OutputField Caption="Number of subsidiaries" Name="NUMSUBSIDIARIES" CaptionResourceKey="$$number_of_subsidiaries" />
  <OutputField Caption="Parent corporation ID" IsHidden="true" Name="PARENTCORPID" />
  <OutputField Caption="Is organization" Name="ISORGANIZATION" CaptionResourceKey="$$is_organization" />
  <OutputField Caption="Last/Organization/Group/Household name" Name="KEYNAME" CaptionResourceKey="$$last/organization/group/household_name" />
  <OutputField Caption="First name" Name="FIRSTNAME" CaptionResourceKey="$$first_name" />
  <OutputField Caption="Middle name" Name="MIDDLENAME" CaptionResourceKey="$$middle_name" />
  <OutputField Caption="Maiden name" Name="MAIDENNAME" CaptionResourceKey="$$maiden_name" />
  <OutputField Caption="Nickname" Name="NICKNAME" CaptionResourceKey="$$nickname" />
  <OutputField Caption="Lookup ID" Name="LOOKUPID" CaptionResourceKey="$$lookup_id" />
</OutputFields>
</Output>
</QueryViewSpec>')

select * from T

;with xmlnamespaces ('bb_appfx_queryview' as ns)
select
    R.c.value('@Name', 'varchar(max)')
from
    T
    outer apply 
    SPEC.nodes('ns:QueryViewSpec/Output/OutputFields/OutputField') as R(c)

drop table T;

我想念什么?我尝试过使用和不使用命名空间都没有运气。

1 个答案:

答案 0 :(得分:0)

您需要通过指定名称空间前缀exports.switchWindowFocus = function (url) { var self = this; browser.getAllWindowHandles().then(function (handles) { browser.wait(self.windowCount(2), 10000); browser.switchTo().window(handles[1]).then(function(){ expect(browser.getCurrentUrl()).toEqual(url); }) }); }; (并且我还将使用ns:),将已定义的XML名称空间应用到XPath表达式中-试试这个:

CROSS APPLY

或者,或者-您需要将XML名称空间定义为默认名称空间-像这样:

;WITH xmlnamespaces ('bb_appfx_queryview' AS ns)
SELECT
    R.c.value('@Name', 'VARCHAR(MAX)')
FROM
    T
CROSS APPLY
    SPEC.nodes('/ns:QueryViewSpec/ns:Output/ns:OutputFields/ns:OutputField') as R(c)
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