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Postnext
(Deleted User) Subject: Xquery filter by using contains
Author: (Deleted User)
Date: 26 Jun 2009 07:40 AM
Originally Posted: 26 Jun 2009 07:39 AM
Hi Stylussees,

I want to select values from an xml file where the tag $Request/Item_1/Item/@code contains a specific value. I have two questions regarding the syntax to use:

1. Question 1: The below example is working, but the one following it, where I search for DAB5_2_0'

for $Request in /eExact/Requests/Request return
if ($Request/Item_1/Item/@code[contains(.,'DAB5')]) then
$Request/Project/@code/string() else ()

for $Request in /eExact/Requests/Request return
if ($Request/Item_1/Item/@code[contains(.,'DAB5_2_0')]) then
$Request/Project/@code/string() else ()

2. Question 2: Apart from the value from question 1 I also want to check on tags where FreeNumber with number="2" is not empty.

<FreeNumbers>
<FreeNumber number="1" label="">3000</FreeNumber>
<FreeNumber number="2" label="">1</FreeNumber>
<FreeNumber number="3" label=""></FreeNumber>
<FreeNumber number="4" label=""></FreeNumber>
<FreeNumber number="5" label="">499</FreeNumber>
</FreeNumbers>

I tried this, but I am not sure how to specifically target freenumber 2.

Thanks,


Cynthia
Postnext
(Deleted User) Subject: Xquery filter by using contains
Author: (Deleted User)
Date: 26 Jun 2009 08:32 AM
Hi Cynthia,
1) there is no real difference (apart the value being searched) between the first and the second query; are you sure the data is present?

2) this should work: not(empty(FreeNumber[@number='2']))

Hope this helps,
Alberto
Postnext
(Deleted User) Subject: Xquery filter by using contains
Author: (Deleted User)
Date: 28 Jun 2009 03:20 AM
Hi Alberto,

Works like a charm, thanks. One other question though. If I want to test on two conditions being both true, how do I do that?

for $row in doc('file:///e:/Klanten/Cordaid/Conversie/Projectdoelen/040609/Exact_ProjectGoals_basis.xml')/root/row return
if (not(empty($row/PercNrGoods)) and ($row/Goal[contains(.,'4')])) then
concat($row/PrimaProjectID/text(),codepoints-to-string(10))
else ()

It is now returning values where one of the 2 conditions is met.

Thanks again,

Cynthia
Postnext
(Deleted User) Subject: Xquery filter by using contains
Author: (Deleted User)
Date: 29 Jun 2009 09:48 AM
Hi Cynthia,
the "and" operator only succeeds if both conditions are true; are you sure that only one is valid? Could you attach a sample of your data so we too can check on the result?

Thanks,
Alberto
Posttop
(Deleted User) Subject: Xquery filter by using contains
Author: (Deleted User)
Date: 29 Jun 2009 12:09 PM
Hi Alberto,

Double checked it and it turned out there were indeed records for which both statements were true. I checked to quickly at first, it turned out there was more then 1 record per project and I only looked at the first.

Oops and thanks again!


Cynthia
   
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