Select nested WMS layers with specific SRS value using XQuery

A WMS getcapabilities document contains a nested list of Layers. I need to get a list of layers for which is true: - It is queryable and - It has an SRS value of EPSG:28992 or any of it's parent layers (or parents parents etc) has an SRS value of EPSG:28992.
I came up with this query which I'm not very happy with because it only allows for three nested Layers.
select t.*
        from xmltable(xmlnamespaces('http://www.w3.org/1999/xlink' as "xlink")
                      ,'for $d in /WMT_MS_Capabilities/Capability/Layer[SRS="EPSG:28992"]
                        where $d/@queryable="1" return $d'
                      passing p_xml columns name varchar2(100) path 'Name'
                      ,title varchar2(100) path 'Title'
                      ,url varchar2(4000) path 'Style[1]/LegendURL/OnlineResource/@xlink:href'
                      ,style xmltype path 'Style') as t
      union all
            select t.*
                 from xmltable(xmlnamespaces('http://www.w3.org/1999/xlink' as "xlink")
                            ,'for $d in /WMT_MS_Capabilities/Capability/Layer/Layer
                              where $d/@queryable="1"
                                and (/WMT_MS_Capabilities/Capability/Layer/SRS="EPSG:28992"
                                     or /WMT_MS_Capabilities/Capability/Layer/Layer/SRS="EPSG:28992") return $d'
                            passing p_xml columns name varchar2(100) path 'Name'
                            ,title varchar2(100) path 'Title'
                            ,url varchar2(4000) path 'Style[1]/LegendURL/OnlineResource/@xlink:href'
                            ,style xmltype path 'Style') as t
      union all
               select t.*
                  from xmltable(xmlnamespaces('http://www.w3.org/1999/xlink' as "xlink")
                            ,'for $d in /WMT_MS_Capabilities/Capability/Layer/Layer/Layer
                              where $d/@queryable="1"
                                and (/WMT_MS_Capabilities/Capability/Layer/SRS="EPSG:28992"
                                     or /WMT_MS_Capabilities/Capability/Layer/Layer/SRS="EPSG:28992"
                                     or /WMT_MS_Capabilities/Capability/Layer/Layer/Layer/SRS="EPSG:28992") return $d'
                            passing p_xml columns name varchar2(100) path 'Name'
                            ,title varchar2(100) path 'Title'
                            ,url varchar2(4000) path 'Style[1]/LegendURL/OnlineResource/@xlink:href'
                            ,style xmltype path 'Style') as t;I'm wondering if there is a better approach using Oracle 10.2.05.

A couple of options (both quite slow unfortunately) :
XQuery recursive function :
select x.*
from tmp_xml t
   , xmltable(
       xmlnamespaces('http://www.w3.org/1999/xlink' as "xlink")
     , 'declare function local:getLayer($e as element(Layer)*) as element(Layer)*
          for $i in $e
          where $i/SRS = "EPSG:4269"
          return $e[@queryable="1"] | local:getLayer($i/Layer)
        local:getLayer( /WMT_MS_Capabilities/Capability/Layer[SRS="EPSG:4269"] )'
       passing t.object_value
       columns name varchar2(100) path 'Name'
             , title varchar2(100) path 'Title'
             , url   varchar2(4000) path 'Style[1]/LegendURL/OnlineResource/@xlink:href'
             , style xmltype        path 'Style'
     ) x
Ancestor axis :
select x.*
from tmp_xml t
   , xmltable(
       xmlnamespaces('http://www.w3.org/1999/xlink' as "xlink")
     , 'for $i in /WMT_MS_Capabilities/Capability/descendant::Layer
        where $i/@queryable = "1"
        and exists($i/ancestor-or-self::Layer[SRS="EPSG:4269"])
        return $i'
       passing t.object_value
       columns name varchar2(100) path 'Name'
             , title varchar2(100) path 'Title'
             , url   varchar2(4000) path 'Style[1]/LegendURL/OnlineResource/@xlink:href'
             , style xmltype        path 'Style'
     ) x
;Tested on a modified version of this document (stored in an XMLType table) :
http://wms.ess-ws.nrcan.gc.ca/wms/toporama_en?VERSION=1.1.1&request=GetCapabilities&service=wms

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Hello,
SQL> select * from v$version;
BANNER
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
PL/SQL Release 11.2.0.1.0 - Production
CORE    11.2.0.1.0      Production
TNS for 32-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
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        21         23 01-DEC-11
        19         20 01-OCT-11
        18         19 01-SEP-11
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        21         23 01-JAN-12
        21         23 01-DEC-11
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        19         20 01-OCT-11
        18         19 01-SEP-11
        17         17 01-AUG-11
        16         16 01-JUL-11
        16         16 01-JUN-11
         9          9 01-MAY-11
         9          9 01-APR-11
         9          9 01-MAR-11
         9          9 01-FEB-11
         9          9 01-JAN-11
         9          9 01-DEC-10
         5          5 01-NOV-10
         2          2 01-OCT-10
         2          2 01-SEP-10
         2          2 01-AUG-10
         2          2 01-JUL-10
         2          2 01-JUN-10
         2          2 01-MAY-10
         2          2 01-APR-10
         2          2 01-MAR-10
         2          2 01-FEB-10
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Note: The date value I have created for this sample is monthly, based on the condition the data value I may need to generate weekly also. That's Monthly or weekly either one
Thanks,

And what is AMT? You didn't provide such column in your original post. Anyway, MODEL solution based on original post:
select nbr_of_s,
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        s_date
from t
model
    partition by(rowid)
    dimension by(1 d)
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        34         40 01-MAY-12
        27         29 01-APR-12
        27         29 01-MAR-12
        21         23 01-FEB-12
        21         23 01-JAN-12
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        16         16 01-JUN-11
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         9          9 01-MAR-11
         9          9 01-FEB-11
NBR_OF_S   NBR_OF_C S_DATE
         9          9 01-JAN-11
         9          9 01-DEC-10
         5          5 01-NOV-10
         2          2 01-OCT-10
         2          2 01-SEP-10
         2          2 01-AUG-10
         2          2 01-JUL-10
         2          2 01-JUN-10
NBR_OF_S   NBR_OF_C S_DATE
         2          2 01-MAY-10
         2          2 01-APR-10
         2          2 01-MAR-10
         2          2 01-FEB-10
         2          2 01-JAN-10
29 rows selected.
SQL> SY.
Edited by: Solomon Yakobson on Jun 11, 2012 1:34 PM

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NI Days (and A&DF): 2010, 2011, 2013, 2014
NI Week: 2012, 2014
Knowledgeable in all things Giant Tetris and WebSockets

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$demo_audit_trans_date := $demo_audit/ROW/DATE/text(),
$demo_audit_id := $demo_audit/ROW/ID/text(),
$demo_audit_type := $demo_audit/ROW/TYPE/text()
where $demo_id = $demo_audit_id and
$demo_audit_type = "U"
return
<result>
<type>U</type>
<id>{$demo_id}</id>
</result>}</Data>' RETURNING CONTENT)
FROM dual;

Geoff,
I tried distinct-values in both let and return; however the result isn't distinct. Is the usage correct?
SELECT XMLQuery('<Update>
{for   $a in ora:view("EMP")
       let   $a_empno         := distinct-values($a/ROW/EMPNO/text()),
             $a_ename         := $a/ROW/ENAME/text(),
             $a_job           := $a/ROW/JOB/text(),
             $a_mgr           := $a/ROW/MGR/text(),
             $a_deptno        := distinct-values($a/ROW/DEPTNO/text())
       return
       <op>
             <empno>{distinct-values($a_empno)}</empno>
<name>{$a_ename}</name>
<deptno>{distinct-values($a_deptno)}</deptno>
</op>}
</Update>'
RETURNING CONTENT)
FROM dual;
The output generated is given below:
<Update>
<op>
<empno>1</empno>
<name>Henry</name>
<deptno>10</deptno>
</op>
<op>
<empno>1</empno>
<name>Henry1</name>
<deptno>10</deptno>
</op>
</Update>

Default form value using sql with bind variable

I wish to create a form based upon a table with a foreign key. I wish to add a field to the form that is an uneditable text field with a default value using sql of 'select name from other_table where other_table_id = ?' where ? is a bind variable defined by a hidden field which is the value of the foreign key identified at runtime. How can this be done?
null

I don't think that will work. I have multiple people accessing the Portal at the same time with the same login (or lack of as public will be the most common user). I could set it easily enough as the value is passed to the form by a link object, so I could add it to the before page plsql block and set the value. But I am uncertain how it will behave in a multi-user mutlitasking environment.
Maybe I should describe what I am looking to accomplish. I want to create a display above a form that will list static details from other tables (i.e. when editing a user's phone number, which is in one table, you want the user to see the person's name, which is in another table, and the form is based upon the phone table) ...
Just as I am thinking about it, I thought of an idea. I could put some specific code in the before displaying page plsql section to query the database and use htp to output the information for data not in the table the form is based upon. I will try this and see how it works. It would have been nice to have just created a field that is not editable and had a default value, but this should work as well.
Let me know if you see any problem with this or if you have any better suggestions.
Thanks for the fast response.

Data Selection for report based upon a 'Prompt Value'

I want to report information in my report based upon a 'user input prompt value'
for example:
'Enter Shareholder Selection - A-Active, I-Inactive, B-Both Active and Inactive'
if the user enters 'A', the report selects only active shareholders
if the user enters 'I', the report selects only inactive shareholders
if the user enters 'B' the report selects all shareholders, active and inactive
the field in the database that this based upon is their total share value.
if this field is greater than zero (>0) they are considerd 'active'
if this field is equal to zero (=0) they are considered 'inactive'.
I have tried creating some type of filter, but am not having any luck.
I saw a few examples within the forums that I have tried without any luck....unfortunately most of the examples I've seen are base one only two choices.
I'm sure I need to create some type of 'independant varible' but am not sure how to do that either.
Any suggestions would be appreciated.
Thanks.

Hi Daryl,
I Tried this unsuccessfully in DESKI . We can't Eliminate Rows having Empty Measure Values or Measure with 0 as values using Table Level Filter as FIlter can't FIlter rows based on Prompt value selection dynamically. Filters filter rows at a time and not based on 3 condition as Active, Inactive and Both. thus filters are of no use.
I Tried this in WEBI, and it is working perfectly you donu2019t have to create any Object in Universe, you can do it using function UserResponse() at report level.
Hence if you are comfortable using WEBI for Generating this report then Follow the steps.
1. Create Report With Name and Shares Object. It will display all Shareholder Names and No.of shares they hold.
2. Use Status Object in Query filter, use condition as u201CEqual Tou201D and Select prompt. It contains Active, Inactive and Both as values.
3. Report will Display all Shareholder names and No. of shares like 45, 789, 0, 4562 where 0 is inactive Shareholder and all other are active shareholder.
4. Create Variable using Formula.
=If(UserResponse("Enter Status:")="Active" And [Shares]>0;[Shares];If(UserResponse("Enter Status:")="Inactive" And [Shares]<=0;[Shares];If(UserResponse("Enter Status:")="Both";[Shares])))
5. Remove Shares Object from the report and Put Variable created with Names of Shareholders.
6. Select Table-> Properties-> Display-> Uncheck the Option u201CShow Rows with Empty Measure Valuesu201D
7. Report will display Value correctly as per your Prompt value selection.
I Hope this Helpsu2026
Thanksu2026
Pratik

Can I rename *selected* layers with scripting?

Hello forum,
Let me just start off by saying I know NOTHING about Photoshop scripting.
But I recently encountered a need to rename a whole stack of layers in a certain file, so I went Googling...
I came across this Rename Layers script -- http://morris-photographics.com/photoshop/scripts/rename-layers.html
However, I was specifically interested in only renaming the layers that I have got selected in the Layers panel.
This script unfortunately renames *ALL* layers in the document.
Is it even possible to do what I want?
Thanks.

Is it even possible to do what I want?
Yes. And the simplest thing to do is ask Trevor (the author) to tweak the script for you. If he's not slammed with other work, he should be able to help you out.

Select nested WMS layers with specific SRS value using XQuery

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