querying a layer by multiple attributes

[Josh Hevenor]

. . . If I want to use PHP MapScript to query a  SDE layer by two
attributes what format do I use? Is there documentation available on
this query format?
 
My first attempt(s) look something like:
 
        if($layer->queryByAttributes("(attr1,attr2)",
"trade_no=$tradeArea, level_x='1'", MS_MULTIPLE)==MS_SUCCESS){
               $numRes = $layer->getNumResults();
               //  . . .  the rest            
 
        }
 
And I'm receiving an error stating that 
        "msSDELayerInitItemInfo(): A specified CLASSITEM, FILTERITEM, or
expression key cannot be found in C:\Inetpub\wwwroot\project\csy.php on
line 9214"
 
Thanks in advance, 

 

 

Josh Hevenor
Application Developer
____________________________________________
5230 South Service Road
Burlington, Ontario 
L7L 5K2  Canada
Email: josh.hevenor at dpra.com
Internet: http://www.dpra.com
 

 

 


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