Hi I am trying to query a Document library by content type using CAML: SPQuery qry = new SPQuery; string query = 0x0101003de59dc6676b4ab49e4eb231a59ac906; qry.Query = query; SPListItemCollection items = docLib.GetItems(qry); int itemCount = items.Count; //this is 0 When I run this, no items are returned. However, when I go into the default view of the document library and filter against the content type, I can see documents are associated to that content type. Was wondering why I can see the documents in the filtered default view, but the CAML query does not return any items. Any advice or direction to some online resource would be greatly appreciated.
Thank you in advance Rachael. I tested on a document library with document content type, the following two works: 0x851CB5A6344EB5C9E35447D01F39 0x0101 0x851CB5A6344EB5C9E35447D01F39 is the content type id of the list content type and 0x0101 is the content type id of the site content type. But what follows does not work: 0x0101 0 By the way, i sugguest using the value type ContentTypeId instead of Text as the CAML generated by LINQ described in. I tested on a document library with document content type, the following two works: 0x851CB5A6344EB5C9E35447D01F39 0x0101 0x851CB5A6344EB5C9E35447D01F39 is the content type id of the list content type and 0x0101 is the content type id of the site content type. But what follows does not work: 0x0101 0 By the way, i sugguest using the value type ContentTypeId instead of Text as the CAML generated by LINQ described in. I reach this post today because i find that the script from that works on my DEV system does not work on client PROD system.
Update: tried again on the PROD, it works now, i changed nothing! Now, the sql scripts i catch with sql profile are all the same, no such staff as @DocParentIdForRF. By the way, the powershell i use is as follows: $q2=new-object microsoft.sharepoint.spquery $q2.viewfields=' $q2.Query='0x0120' $q2.ViewAttributes = 'Scope='RecursiveAll'; $w.get-spweb $doc=$w.lists'doclibraryname' $doc.getitems($q2).count.
There’s lots of CAML blogs out there lots of tutorials lots of references So, why add to the noise?? Well two good reasons:. I need to blog about something.
My session at SPTechCon was on SharePoint Web Services which rely heavily on CAML in SharePoint 2007 (less so in 2010 thanks to LINQ to SharePoint, but that’s another blog). So, it’s really important that you understand CAML or at least have a reference you can go to quickly. So Pay Attention!!! What Exactly Is CAML?
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If you go to the site: “Collaborative Application Markup Language (CAML) is an XML-based language that is used in Windows SharePoint Services to define the fields and views used sites and lists. CAML is also used to define tables in the Windows SharePoint Services database during site provisioning.” So, CAML is a special XML based query language used to well query data from SharePoint. I describe it as a combination of XML, SQL, and WTF At first glance it appears to be overly complicated and cumbersome. After spending time with it however you can get a sense for why it is structured the way it is.and don’t tell anyone I said this but it actually makes sense! So CAML is just a Query language If you are using the SP Object Model you can use the. If you are using SharePoint Web Services outside of SharePoint you will just create a string to pass to your Web Service call.
Regardless CAML is your friend love it like a woman that you can’t understand and frustrates you just accept her and love her because like SharePoint, CAML is a woman.:) Is It That Cumbersome? Let Me See Some Examples?? Wow, kind of pushy aren’t you?
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Hi Amit, Based on my test, the following CAML query can select the max Date for column Col 1 when its value is A or B: AB1 After typing the query in my SSIS SharePoint List Source CamlQuery property, it can only sorting the Date for column Col 1 when its value is A or B. It seems that it doesn’t support RowLimit tag. To work around this issue, we can use Script Component as transformation to generate the sequence number for each record, then use Conditional Split to get top 1 record based on the sequence number. For more details, please refer to the following blog: Thanks, Katherine Xiong Katherine Xiong TechNet Community Support. Hi Amit, Based on my test, the following CAML query can select the max Date for column Col 1 when its value is A or B: AB1 After typing the query in my SSIS SharePoint List Source CamlQuery property, it can only sorting the Date for column Col 1 when its value is A or B.
It seems that it doesn’t support RowLimit tag. To work around this issue, we can use Script Component as transformation to generate the sequence number for each record, then use Conditional Split to get top 1 record based on the sequence number. For more details, please refer to the following blog: Thanks, Katherine Xiong Katherine Xiong TechNet Community Support.
I was hoping to do convert a CAML query into T-SQL. For my SharePoint site, I also have a data warehouse (SQL Server 2005) which hosts the same data (it is populated through SPList EventReceivers: ItemAdded, ItemUpdated).
I am involved in a task to handle the growth of the lists and the speed of custom webparts that display list data. Yeh tumhari meri baatein mp3 song download. I am hoping instead to display our list contents using the data warehouse and then we are going to remove items from the SPLists where the workflow has been completed. Currently, the user of the custom webpart that displays the SPList contents is allowed to select an SPView to display the content in the way they would like (i.e. Filtering, sorting and only showing necessary columns). I would like to keep this functionality and was hoping to take the view's CAML query and convert it to T-SQL to query against the data warehouse. My Content Type to WHERE ContentType='My Content Type' OR Descriptionnull GROUPBY Title DESC ORDERBY Author, AuthoringDate, AssignedTo ASC Does anyone know how to do this? Or have an alternative suggestion that would solve this issue?
I have found multiple solutions for converting T-SQL to CAML query, just not the other way around (i.e. which is also where I retrieved the example from) Thanks!
This is not technically an answer but I feel its needed. Your approach is a bit backwards. What it sounds to me like you are really trying to do is use sharepoint as a UI to your data warehouse. If that is the case I would switch your approach to one of several options outside the scope of this question.
Data access in sharepoint is only supported by microsoft through the object model, web services or the user interface. Any interaction outside this can result in a vast range of unsupported modes, anything from corrupt data, data locks, varying result sets, security access, etc. What it sounds like really need is the BDC services. This would allow you to use the data warehouse for central storage and also provide you with the sharepoint native functionality of the list interactions.
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Caml Query Builder
I'm not sure which version you are using but if you REALLY want to hit the data directly there are a large amount of articles in the SQL community about accessing the data directly. There is also a codeplex project for LINQtoSharePoint You can use this for object support that you can use LINQ to give you sql-esque type functionality. Microsoft supports SharePoint List data access through: 1. SharePoint Object Model – SPSite and SPWeb 2. Lists web service. Path to access is Any Add/Update/Delete/Select operations on the SharePoint List is done using any of the above 2 methods goes through the unmanaged COM component.
Sharepoint Caml Query Tutorial
This COM is responsible for establishing the connection with Content DB; applying Data Locks on the Tables and data retrieval. This COM component has its own Logic/Mechanism to apply Data Lock on the Content DB tables and Sharepoint developer does not have control over the Data Lock mechanism. If T-SQL statements (Add/Update/Delete/Select) are executed directly on the Content DB tables, this In-Build logic may break and can be resulted into unknown results or errors.
![Sql To Caml Query Converterlite Sql To Caml Query Converterlite](/uploads/1/2/3/8/123827928/706830680.jpg)
Microsoft does not support direct T-SQL statement execution on Content DB tables.
Overview Microsoft® SharePoint® Server 2010 lets you use LINQ to SharePoint to take advantage of the LINQ framework and LINQ to Entities against SharePoint lists. The LINQ framework will convert LINQ to SharePoint statements into collaborative application markup language (CAML), and then execute the CAML against the SharePoint object model or Web Services. To ensure optimization of CAML queries, it is essential that you are able to inspect the CAML generated by the LINQ framework. This how-to topic explains how you can inspect the CAML.