execute.xml

<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
  <meta>
    <sampleQuery>select * from {table} where code="y.log('Hello!')"</sampleQuery>
    <sampleQuery>select * from {table} where file="http://myhost.com/myfile.js"</sampleQuery>
    <sampleQuery>select * from {table} where env="http://myhost.com/myenv.xml" and file="http://myhost.com/myfile.js"</sampleQuery>
    <description>
        Executes Javascript passed inline or from a location (also supports YQL storage).
        An extra parameter can be used to indicate an specific YQL environment.
    </description>
    <author>Francisco Jordano (arcturus@ardeenelinfierno.com)</author>
  </meta>
  <bindings>
    <select itemPath="" produces="XML">
      <urls>
        <url/>
      </urls>
      <inputs>
        <key id='code' type='xs:string' paramType='variable' />
        <key id='file' type='xs:string' paramType='variable' />
        <key id='env' type='xs:string' paramType='variable' />
      </inputs>
      <execute><![CDATA[
        //Check that we have at least one of the two parameters
        if(code == null && file == null) {
            y.exit();
        }
        
        //Load the event if present
        if(env != null) {
            y.env(env);
        }
        
        //Load first the file if present, and then the inline js code
        if(file != null) {
            y.include(file);
        }
        
        if(code != null) {
            eval(code);
        }
        
      ]]></execute>
    </select>
  </bindings>
</table>