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Questions tagged [entityset]

54 questions
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Featuretools - unable to add relationship in Entityset

I'm writing a notebook using this data from Kaggle. Here's a screenshot of the two tables just to show we have ID columns in both. Here's my code when trying to set up the Entity Set and add a relationship. import featuretools as ft import pandas…
user137698
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Index names must be exactly matched currently

I am trying to add koalas dataframe in an entitySet. Here is the code for it subset_kdf_fp_eta_gt_prd.spark.print_schema() root |-- booking_code: string (nullable = true) |-- order_id: string (nullable = true) |-- restaurant_id: string (nullable…
Mohit Jain
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Best way to check two EntitySets equality basied on one of their proprties?

I have two Objects from the same Class, lets say it named as Class1, Class1 has an EntitySet of ClassChild, What is the best way to indicate that these Two objects have the same exact ClassChild's EntitySets (values and count) based on one property…
Rami Alshareef
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How to get a specific EntitySet dynamically in an UI5 XML-View?

Is there a way to pass a dynamic parameter to identify a specific EntitySet in a UI5 XML-View? I am using UI5 with ODataV2 and here is my XML of an UI5 Text Object: Note that the 'AR' is the Key of a…
Wpe
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What is Entity and EntitySets in RIA Services?

I am new to RIA Services and I want to understand Entity and EntitySets in RIA Services Are "Entity Sets" Tables and Entity a column in the Entity Sets? Thus Entity Sets having one or more Entities?
user677607
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WCF + sending linq generated objects

i have entities generated from my .dbml. So some objects have relationship "one to many" and in entities it was generated as EntitySet. Also, I have WCF Workflow Service Application which contains .xamlx with bussines logic. So using this .xamlx i…
Shersh
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Remove data from linq relation

If i have a sq-table relation model that looks like this: Project <----> ProjectActivity <----> Activity Where Project and Activity has many to many connections via ProjectActivity and i want to remove a ProjectActivity (not just set its Projekt FK…
Andreas
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Working directly with EntitySet?

I'm trying to wrap my head around all the classes present in Entity Framework 4. The only one that I'm confused by (so far) is EntitySet. EntitySets are never mentioned anywhere in the generated C# code from my .edmx files, only in the XML files…
Hobbes
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object references in LINQ to SQL are incorrectly saved or loaded

I tried to store and reload objects and their references between each other. The problem is when I reload the data from the database the references are not set correctly. Here is an example code which describes the problem. I comment the the…
FloFire
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Reverting changes to an EntitySet in Linq-to-SQL

I have a Linq-to-SQL context with changes in an EntitySet. I want to get rid of all the changes I made to it since I last called SubmitChanges(). I use the following method to revert the state of the context: public static void RevertChanges(this…
codekaizen
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Serialize EntitySet through net remoting

I have a shared object through net remoting. The problem is that this object has some EntitySet and EntityRef attributes. When I try to run the program I get an exception telling me that EntitySet is not marked as Serializable. If I mark it as…
Francisco
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Removing object from EntitySet In Relational Database

i have 2 table "Flight" and "Legs" legs has a field named "Flight_ID" and is nullable Flight has a Field same as "Flight_ID" which is primary key. i made 2 entityset for them dim flt as new EntitySet(Of Flight) dim Lg new EntitySet(Of…
Farhad
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DomainContext, Silverlight 3, code behind, Edit EntitySet

I'm trying to get my brain wraped around Silverlight RIA I'm to a point where I can create an object with a collection of objects which also has a collection of objects. Test object that holds test questions, that holds question answers. I have the…
Tony
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Using Linq to select a list of Entities, linked Entities, linked Entities

Apologies for the poor question title - I'm not sure how to describe what I'm doing but that is the best I could come up with, please edit it if what I'm asking for has a real name! I have Programmes, which can have a group of Projects assigned,…
David A Gibson
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Entity relationship design - Converting diagram to database tables in one-to-many relationship

I have a database entity relationship diagram with the following entities and their attributes: Flight: Date (primary key) Num_available_seats Reservation: CustomerName CustomerPhone Seat: SeatNumber (primary key) Reservation is the middle ground…
user1462294
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