How can we get multiple result sets from a stored procedure using Entity Framework?

How can we get multiple result sets from a stored procedure using Entity Framework?

In order to get multiple result sets working we need to drop to the ObjectContext API by using the IObjectContextAdapter interface. Once we have an ObjectContext then we can use the Translate method to translate the results of our stored procedure into entities that can be tracked and used in EF as normal.

Can Entity Framework return multiple result sets?

Returning multiple result sets is a feature of SqlClient that Entity Framework can take advantage of. It can pipeline multiple results over the same connection to reduce the number of round trips to retrieve data. This can lead to a significant performance increase that users will thank you for.

Can a stored procedure return a result set?

In addition to returning output parameters, a stored procedure can return a result set (that is, a result table associated with a cursor opened in the stored procedure) to the application that issues the CALL statement. The application can then issue fetch requests to read the rows of the result set cursor.

Which method return the current result in multiple result statement?

If the current result is a result set, you can use the getResultSet() method to retrieve it into a ResultSet object. If the current result is an update count, you can use the getUpdateCount() method to retrieve it as an integer.

How do I combine two stored procedures at the same time?

1 Answer. Use the sql server “Generate Script” Wizard. Click Next on the “Introduction” window and in the 2nd screen select the option button “Specific Database objects” and click the combo box near “Stored Procedure” (If you are only taking the scripts of stored procedures.

How can I use results from one stored procedure in another stored procedure?

If you want to return some select statement from your stored procedure, and want to use these values, you can either hold them ia temp table or simply uses as a select query. This will set the two output params from MyStoredProcedure and also insert the values that you pass from MyStoredProcedure as a select statement.

Which method returns the current result in multiple result statement in Java?

The getMoreResults method has a form that lets you leave the current ResultSet open when you open the next ResultSet.

How do you write multiple queries in one stored procedure?

Executing Multiple SQL Statements in a Stored Procedure

1. A classic DBA technique to run a large number of SQL statements is to create them using a concatenated select statement.
2. If you need to drop a handful of tables that way, a list if enough.

Is it possible to return multiple result sets from a procedure?

Returning multiple result sets from a stored procedure has been supported since Entity Framework (EF) 5.0. However, the approach of mapping configurations for the feature using the EF designer has not been available even from EF 6.0. MSDN only posted limited instructions on the topic of returning multiple result sets with simple entity types.

Does EF Support Function Import mappings for stored procedures?

Although automatic function import mappings have still not been supported in the EF data model designer for stored procedures returning multiple result sets, there is an easy and practical workaround as described here to make such stored procedures work well in the EF EDMX based data applications.

What is the purpose of the second stored procedure?

The second stored procedure, I treat it as a dummy, is simply used for EF to automatically extract the second result set complex type info since the EF can only extract the returning field info from the first result set. The query in the dummy stored procedure is exactly the same as that for second result set in the first stored procedure.

How to add stored procedures to an entity model?

Select the two stored procedures from the Stored Procedures and Functions list in the Add tab. Make sure that the Import selected stored procedures and functions into the entity model is checked and then click the Finish button. This will automatically add the function import mappings and the complex types for the stored procedures.