https://connect.hyland.com/t5/nuxeo-forum/how-can-i-know-if-a-nxql-query-in-an-automation-chain-returns-a/m-p/315544#M2545 <P>A query returns a list of documents, so if nothing is found the list will just be empty. No <CODE>null</CODE> will be returned.</P> Thu, 16 May 2013 13:44:51 GMT Florent_Guillau 2013-05-16T13:44:51Z https://connect.hyland.com/t5/nuxeo-forum/how-can-i-know-if-a-nxql-query-in-an-automation-chain-returns-a/m-p/315543#M2544 <P>Hi, I want to know if the Query operation in automation chain returns null when document is not found. Also how can I validate in next operation if the document exists, get its metadata or if this is null do anything.</P> Wed, 15 May 2013 22:37:05 GMT https://connect.hyland.com/t5/nuxeo-forum/how-can-i-know-if-a-nxql-query-in-an-automation-chain-returns-a/m-p/315543#M2544 geekonspace 2013-05-15T22:37:05Z https://connect.hyland.com/t5/nuxeo-forum/how-can-i-know-if-a-nxql-query-in-an-automation-chain-returns-a/m-p/315544#M2545 <P>A query returns a list of documents, so if nothing is found the list will just be empty. No <CODE>null</CODE> will be returned.</P> Thu, 16 May 2013 13:44:51 GMT https://connect.hyland.com/t5/nuxeo-forum/how-can-i-know-if-a-nxql-query-in-an-automation-chain-returns-a/m-p/315544#M2545 Florent_Guillau 2013-05-16T13:44:51Z