Any way to concatenates multiple sequence of cypherfluentquery

[Hemant Athavale]

Hi!

Is there any way to concatenates multiple sequences of cypherfluentquery?

Thanks

Hemant

[Chris Skardon]

Hi Hemant,

What exactly do you want to do? Can you give a code example of what you'd like to see?

All the best

Chris

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[Hemant Athavale]

graphclient.cypher returns ICypherFluentQuery. which can be executed separately at the end. 

e.g. we have a person and department. each has separate classes and methods to upsert which returns the only query (ICypherFluentQuery). 

In another method where we need to upsert together, we can call individual query methods from its own class and concatenate and execute. 

Trying to reduce duplicate code. (like we can concatenate IQueryable)

Thanks

Hemant

[Chris Skardon]

There’s no reason you can’t just chain the calls together:

 

public ICypherFluentQuery GetUserMatch(ICypherFluentQuery query, string name){

                return  query.Match(“(u:User {name:’” + name + ”’})”);

}

 

Public ICypherFluentQuery GetLocationMatch(ICypherFluentQuery query, string location){

                return query.Match(“(l:Location {name:’” + location + “’})”);

}

 

Then something like:

 

Var query = GetUserMatch(gc.Cypher, “chris”);

query = GetLocationMatch(query, “England”);

 

Is that what you’re talking about?

[Hemant Athavale]

Yes sir, thanks.

[Hemant Athavale]

I have 1 mode question on return

have class Person and addresses

can i return object from query like this

{

         firstname: "some name",

         lastname: "last name",

         addresses : [

                {city : "Bedford",

                 xxxx

                },

                {

                     city: "Edison",

                }

         ]

}

[Chris Skardon]

Not directly no, as you are returning an array of complex types, you would need to use a JsonConverter if that's how it's stored in the DB, or return something like:

class UserAndAddresses {

   User User {get;set;}

   IEnumerable<Address> Addresses {get;set;}

}

...

.Return( (u,a) => return new UserAndAddresses {

    User = u.As<User>()

    Addresses = a.CollectAs<Address>()

})

Largely depends on your cypher and node setup