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Dapper

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  • N Nish Nishant

    BTW, a few folks claim that Dapper's faster than EF6 - so I guess there's that.

    Regards, Nish


    Website: www.voidnish.com Blog: voidnish.wordpress.com

    S Offline
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    Sascha Lefevre
    wrote on last edited by
    #25

    It most certainly is - but that's apples and oranges.

    If the brain were so simple we could understand it, we would be so simple we couldn't. — Lyall Watson

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    • N Nish Nishant

      BTW, a few folks claim that Dapper's faster than EF6 - so I guess there's that.

      Regards, Nish


      Website: www.voidnish.com Blog: voidnish.wordpress.com

      S Offline
      S Offline
      Slacker007
      wrote on last edited by
      #26

      I have heard of Dapper, and that is about all. I have the most experience with EF but I am not going on the record to say that it is the best. I'm sure there are applications best suited for Dapper. I found this to be interesting. The conclusion at the end is the most important. Dapper looks to be faster in a lot of respects. Interesting. Don't Panic Labs – Speed Comparison: Dapper vs Entity Framework[^] Looks like Stackoverflow uses Dapper.

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      • N Nish Nishant

        BTW, a few folks claim that Dapper's faster than EF6 - so I guess there's that.

        Regards, Nish


        Website: www.voidnish.com Blog: voidnish.wordpress.com

        J Offline
        J Offline
        Jorgen Andersson
        wrote on last edited by
        #27

        The difference is big! If you want faster you have to run your own, like I did.

        Wrong is evil and must be defeated. - Jeff Ello

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        • R realJSOP

          Slacker007 wrote:

          EF 6 has ... Any reason why you can't use that?

          It's from Microsoft.

          ".45 ACP - because shooting twice is just silly" - JSOP, 2010
          -----
          You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
          -----
          When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

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          D Offline
          David Crow
          wrote on last edited by
          #28

          Aren't .NET and Mono both from Microsoft, or are you targeting some other platform?

          "One man's wage rise is another man's price increase." - Harold Wilson

          "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

          "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

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          • R realJSOP

            Does anyone here use the Dapper ORM?

            ".45 ACP - because shooting twice is just silly" - JSOP, 2010
            -----
            You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
            -----
            When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

            S Offline
            S Offline
            stoneyowl2
            wrote on last edited by
            #29

            Not that one, but I have used something called 'PetaPoco', which is kinda based on Dapper. The nice thing, to me, is it is a single .cs file that can be included right in you solution. He also has a later version that is a normal assembly. You will probably need to google 'PetaPoco' to find it.

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            • K Kent Sharkey

              I haven't used it, but I understand that there is an article in next month's MSDN Magazine about it (should be on the site on Monday). Julie Lerman (she of much EF writing) liked it.

              TTFN - Kent

              N Offline
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              Nagy Vilmos
              wrote on last edited by
              #30

              If Julie is s fan then that is a pretty big endorsement.

              veni bibi saltavi

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              • R realJSOP

                Does anyone here use the Dapper ORM?

                ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                -----
                You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                -----
                When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                P Offline
                P Offline
                pt1401
                wrote on last edited by
                #31

                I've used it a lot. It's excellent, but in large projects its best used with some form of POCO-generator such as Codesmith to auto-generate your DAL classes on your build server. Dapper is very fast and, even more importantly IMO, it doesn't get in your way.

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                • R realJSOP

                  Does anyone here use the Dapper ORM?

                  ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                  -----
                  You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                  -----
                  When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                  S Offline
                  S Offline
                  Ste S
                  wrote on last edited by
                  #32

                  I've used Dapper a few times. I really like it and as others have said it generally gets out of the way and works well at mapping your sql to an object or collection of objects. I use it with Dapper extensions which makes simple selecting/updating etc pretty simple. I invested a lot of time in learning EF and it was hard to make the move but honestly I've never found a need to go back to using EF. EF seems overly complex, at least for my needs and I fail to see a good reason for using EF over a micro orm like Dapper or PetaPoco (which i also like).

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                  • R realJSOP

                    C# is simply a copy of java, but without the cross-platform capabilities.

                    ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                    -----
                    You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                    -----
                    When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #33

                    I just finished a small project running ASP.NET 5 on a Docker container running Ubunutu hosted in Azure :rose: Exciting times ahead I think :)

                    The whole thing's rigged to blow, touch those tanks and "boooom"!

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                    • R realJSOP

                      Slacker007 wrote:

                      Well, that is not really a good reason.

                      It's always been a good reason in the past. And I like living in the past.

                      ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                      -----
                      You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                      -----
                      When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                      L Offline
                      L Offline
                      Lost User
                      wrote on last edited by
                      #34

                      What do you use instead of Visual Studio?

                      The whole thing's rigged to blow, touch those tanks and "boooom"!

                      R 1 Reply Last reply
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                      • L Lost User

                        What do you use instead of Visual Studio?

                        The whole thing's rigged to blow, touch those tanks and "boooom"!

                        R Offline
                        R Offline
                        realJSOP
                        wrote on last edited by
                        #35

                        I use edlin to edit my code, and manually compile everything (yeah it takes a lot longer, but it's hella efficient code).

                        ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                        -----
                        You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                        -----
                        When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                        L 1 Reply Last reply
                        0
                        • R realJSOP

                          I use edlin to edit my code, and manually compile everything (yeah it takes a lot longer, but it's hella efficient code).

                          ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                          -----
                          You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                          -----
                          When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                          L Offline
                          L Offline
                          Lost User
                          wrote on last edited by
                          #36

                          Wow, that looks like the hard way of doing things[^] :laugh: I guess you're paid by the hour? :laugh:

                          The whole thing's rigged to blow, touch those tanks and "boooom"!

                          R 1 Reply Last reply
                          0
                          • L Lost User

                            Wow, that looks like the hard way of doing things[^] :laugh: I guess you're paid by the hour? :laugh:

                            The whole thing's rigged to blow, touch those tanks and "boooom"!

                            R Offline
                            R Offline
                            realJSOP
                            wrote on last edited by
                            #37

                            Most things that are worth doing start out hard. And that's true for so many things in life. :)

                            ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                            -----
                            You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                            -----
                            When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                            1 Reply Last reply
                            0
                            • D David Crow

                              Aren't .NET and Mono both from Microsoft, or are you targeting some other platform?

                              "One man's wage rise is another man's price increase." - Harold Wilson

                              "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

                              "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

                              R Offline
                              R Offline
                              realJSOP
                              wrote on last edited by
                              #38

                              I was just making a comment. I'm not targeting anything.

                              ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                              -----
                              You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                              -----
                              When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                              1 Reply Last reply
                              0
                              • R realJSOP

                                Does anyone here use the Dapper ORM?

                                ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                                -----
                                You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                                -----
                                When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                                M Offline
                                M Offline
                                Mark Jerzykowski
                                wrote on last edited by
                                #39

                                I use it. We wrote a slightly bigger ORM thing to go on top of it: Dashing[^] And yes, much time was spent on the name.

                                1 Reply Last reply
                                0
                                • S Slacker007

                                  I have heard of Dapper, and that is about all. I have the most experience with EF but I am not going on the record to say that it is the best. I'm sure there are applications best suited for Dapper. I found this to be interesting. The conclusion at the end is the most important. Dapper looks to be faster in a lot of respects. Interesting. Don't Panic Labs – Speed Comparison: Dapper vs Entity Framework[^] Looks like Stackoverflow uses Dapper.

                                  A Offline
                                  A Offline
                                  andegre
                                  wrote on last edited by
                                  #40

                                  Dapper is considerably faster than EF. And I also believe that it was written BY Stackoverflow. GitHub - StackExchange/dapper-dot-net: Dapper - a simple object mapper for .Net[^]

                                  S 1 Reply Last reply
                                  0
                                  • N Nish Nishant

                                    Dapper is written in C# which is from Microsoft too :-)

                                    Regards, Nish


                                    Website: www.voidnish.com Blog: voidnish.wordpress.com

                                    S Offline
                                    S Offline
                                    Snorri Kristjansson
                                    wrote on last edited by
                                    #41

                                    He he - there is no escaping - is there?

                                    1 Reply Last reply
                                    0
                                    • R realJSOP

                                      Does anyone here use the Dapper ORM?

                                      ".45 ACP - because shooting twice is just silly" - JSOP, 2010
                                      -----
                                      You can never have too much ammo - unless you're swimming, or on fire. - JSOP, 2010
                                      -----
                                      When you pry the gun from my cold dead hands, be careful - the barrel will be very hot. - JSOP, 2013

                                      C Offline
                                      C Offline
                                      Caspian Canuck
                                      wrote on last edited by
                                      #42

                                      I've been using Dapper's spinoff NPoco for a couple of years in a large work project and it's worked out mostly great. The good: 1. Lightning fast, just a fraction slower than bare-bones ADO.NET. 2. No surprise SQL, you know exactly what SQL is sent to the server because you wrote it yourself (unless it's a simple single-table CRUD operation that NPoco generates itself). 3. Latest versions come with Linq expressions support. Back when our project got started there was no Linq support in NPoco and I ended up writing my own Linq-like repository wrapper. (I've made several other customizations to NPoco not all of which have made it into the official codebase, so I can't upgrade.) The bad: 1. No support for the JOIN syntax in NPoco's Linq implementation. Depending on how you look at it, this can be either a deficiency or a blessing (given how ugly SQL can get with auto-generated joins in EF and other full-feature ORMs). 2. The API can be a little confusing with too many overloaded methods and methods with different names but similar functionality.

                                      1 Reply Last reply
                                      0
                                      • S stoneyowl2

                                        Not that one, but I have used something called 'PetaPoco', which is kinda based on Dapper. The nice thing, to me, is it is a single .cs file that can be included right in you solution. He also has a later version that is a normal assembly. You will probably need to google 'PetaPoco' to find it.

                                        C Offline
                                        C Offline
                                        Caspian Canuck
                                        wrote on last edited by
                                        #43

                                        NPoco is the latest version of PetaPoco and is still being actively maintained.

                                        1 Reply Last reply
                                        0
                                        • A andegre

                                          Dapper is considerably faster than EF. And I also believe that it was written BY Stackoverflow. GitHub - StackExchange/dapper-dot-net: Dapper - a simple object mapper for .Net[^]

                                          S Offline
                                          S Offline
                                          Slacker007
                                          wrote on last edited by
                                          #44

                                          andegre wrote:

                                          BY Stackoverflow.

                                          I see that. Interesting. Thanks for the info.

                                          1 Reply Last reply
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