Parse XML value with Name Space in SQl -


i have following xml :

<productionschedule xmlns:inp2="http://www.wbf.org/xml/b2mml-v0401" xmlns="http://www.wbf.org/xml/b2mml-v0401">   <inp2:productionrequest>     <inp2:id>0916a</inp2:id>     <inp2:description>subh190916a</inp2:description>     <inp2:location>       <inp2:equipmentid>myequpiment</inp2:equipmentid>     </inp2:location>     <inp2:segmentrequirement>       <inp2:id>000</inp2:id>       <inp2:earlieststarttime>2015-10-17t12:00:00</inp2:earlieststarttime>       <inp2:latestendtime>2015-10-19t12:00:00</inp2:latestendtime>       <inp2:materialproducedrequirement>         <inp2:materialdefinitionid>geec3ma0025emzi</inp2:materialdefinitionid>         <inp2:quantity>           <inp2:quantitystring>2</inp2:quantitystring>         </inp2:quantity>         <inp2:materialproducedrequirementproperty>           <inp2:id>erpwostatus</inp2:id>           <inp2:value>             <inp2:valuestring>released</inp2:valuestring>           </inp2:value>         </inp2:materialproducedrequirementproperty>         <inp2:materialproducedrequirementproperty>           <inp2:id>routing</inp2:id>           <inp2:value>             <inp2:valuestring>somemprvaue</inp2:valuestring>           </inp2:value>         </inp2:materialproducedrequirementproperty>         <inp2:materialproducedrequirementproperty>           <inp2:id>mpvalue2</inp2:id>           <inp2:value>             <inp2:valuestring>2016-01-21t12:00:00</inp2:valuestring>           </inp2:value>         </inp2:materialproducedrequirementproperty>       </inp2:materialproducedrequirement>     </inp2:segmentrequirement>   </inp2:productionrequest> </productionschedule>

i trying value mpvalue2 , xml.

i tried following:

select `@xml.value('(/productionschedule/inp2:productionrequest/inp2:segmentrequirement/inp2:materialproducedrequirement/inp2:materialproducedrequirementproperty)[1]','nvarchar(255)')`

your select ok, must consider/declare namespaces:

with xmlnamespaces(default 'http://www.wbf.org/xml/b2mml-v0401'                   ,'http://www.wbf.org/xml/b2mml-v0401' inp2) select @xml.value('(/productionschedule/inp2:productionrequest/inp2:segmentrequirement/inp2:materialproducedrequirement/inp2:materialproducedrequirementproperty)[1]','nvarchar(255)')

this works (wildcard) it's better specific possible:

select @xml.value('(/*:productionschedule/*:productionrequest/*:segmentrequirement/*:materialproducedrequirement/*:materialproducedrequirementproperty)[1]','nvarchar(255)')

the fast , lazy work :-) not fast in terms of performance...

select @xml.value('(//*:materialproducedrequirementproperty)[1]','nvarchar(255)')

update

this query properties:

with xmlnamespaces(default 'http://www.wbf.org/xml/b2mml-v0401'                   ,'http://www.wbf.org/xml/b2mml-v0401' inp2) select prop.value('(inp2:id)[1]','nvarchar(100)') property @xml.nodes('/productionschedule/inp2:productionrequest/inp2:segmentrequirement/inp2:materialproducedrequirement/inp2:materialproducedrequirementproperty') a(prop)

the result

property -------- erpwostatus routing mpvalue2

update 2: use id filter in xquery

see how added filter @ end of xpath in .nodes().

nodes return sub-elements row-wise. filter reduce resultset 1 single row (if inp2:id unique!) , read value/valuestring.

i let namespace declaration default , inp2. but, @serf pointed out correctly, both urls equal. enough declare default , query without namespace-prefixes...

declare @theid nvarchar(100)='mpvalue2'; xmlnamespaces(default 'http://www.wbf.org/xml/b2mml-v0401'                   ,'http://www.wbf.org/xml/b2mml-v0401' inp2) select prop.value('(inp2:value/inp2:valuestring)[1]','nvarchar(100)') property @xml.nodes('/productionschedule/inp2:productionrequest/inp2:segmentrequirement/inp2:materialproducedrequirement/inp2:materialproducedrequirementproperty[inp2:id=sql:variable("@theid")]') a(prop)

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