[mapguide-users] [ZS2] Re: Filter on joined database values

[irwan]

wow many thanks!! you help me a lot.


Kenneth Skovhede, GEOGRAF A/S wrote:
> 
> This is the filter:
> 
> $QueryFilter='Drawing+%3D+%26apos%3B74%26apos%3B+AND+Dept+%3D+%26apos%3B136%26apos%3B' 
> 
> For some reason the PHP xml system does not seem to autoencode the 
> stuff, you must xml encode your input.
> I don't know why the above is url encoded though.
> 
> The un-encoded filter should look like:
> $QueryFilter = 'Drawing = "3B74" AND Dept = "3B136"'
> 
> The Xml encoded version should look like this:
> $QueryFilter = 'Drawing = "3B74" AND Dept = "3B136"'
> No expert on PHP functions, but I found this to help you out:
> http://vantol.org/node/31
> 
> The $QueryFilter is the string you should change to match your list of 
> values.
> Build the list like this:
> 
> $res = '';
> 
> while(odbc_fetch_row($rs))
> {
> 	$bl_id=odbc_result($rs,"bl_id");
> 	$res .= $bl_id;
> 	$res .= ',';
> }
> 
> $res = substr($res, 0, -1); //Remove the last ,
> $QueryFilter = xmlencode('ID IN ('.$res.')');
> 
> 
> (Note: If the values are not integers, they have to be surrounded with 
> quotes).
> (Note: You filter column in the SDF may not be called ID).
> (Note: xmlencode is the function from the link given)
> 
> Regards, Kenneth Skovhede, GEOGRAF A/S
> 
> irwan skrev:
>>
>> Kenneth Skovhede, GEOGRAF A/S wrote:
>>   
>>> IIRC, something is broken, so you can't filter on a joined database.
>>> Instead, you can select keys from the database with an sql like this:
>>> select distinct key from table where somecolumn = 'somecriteria';
>>>
>>> The sql should then give you a list of keys.
>>> You can then set the layer filter like this:
>>> "ID" IN (...comma seperated key list...)
>>> ea: "ID" IN ('1','A')
>>>
>>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>>
>>>
>>>     
>>  i really stucked! really dont have an idea to change Filter element in
>> xml.what i want to know here is how to pass a value that i get from sql
>> query(php) to xml?i have create a php script, a very simple one to query
>> data from database.
>>
>> $wr_selected="SELECT * FROM wr WHERE bl_id = 'Rev";
>>
>> $rs=odbc_exec($conn,$wr_selected);
>>
>>
>> while(odbc_fetch_row($rs))
>> {
>> $bl_id=odbc_result($rs,"bl_id");
>> }
>>
>> currently $bl_id hold a value that satisfy a query. So i want this value
>> put
>> into the <Filter></Filter> element in xml file such as <Filter>BL_ID IN
>> $bl_id</Filter> but i know this is something we cannot do.
>> I look at this code from
>>
>>   
>> $QueryFilter='Drawing+%3D+%26apos%3B74%26apos%3B+AND+Dept+%3D+%26apos%3B136%26apos%3B' 
>>    // Load the Query Match Layer Definition template into a PHP DOM
>> object
>> and 
>>    // modify its Filter node so we're displaying the right building and
>> floor. 
>>    $doc = DOMDocument::load('QueryMatch.LayerDefinition.xml'); 
>>    $FilterNode = $doc->getElementsByTagName('Filter')->item(0); 
>>    $FilterNode->nodeValue = $QueryFilter; 
>>    $LayerDefinition = $doc->saveXML(); 
>>    $byteSource = new MgByteSource($LayerDefinition,   
>> strlen($LayerDefinition)); 
>>    $byteSource->SetMimeType(MgMimeType::Xml); 
>>    $tempResourceID = new
>> MgResourceIdentifier("Library://HumboldtFM/Layers/QueryMatch.LayerDefinition"); 
>>    $resourceService->SetResource($tempResourceID,
>> $byteSource->GetReader(),
>> null); 
>>
>> but i really dont know that to do with this code. Can someone here assist
>> me?
>>   
> 
> _______________________________________________
> mapguide-users mailing list
> mapguide-users at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/mapguide-users
> 
> 

-- 
View this message in context: http://n2.nabble.com/invalid-XML-document-tp2149327p2157416.html
Sent from the MapGuide Users mailing list archive at Nabble.com.