using getProperty, like in my example code, you can do
System.out.println("3 " + d.getProperty("account.@rid"));
I don't know if it works even with *field()* method
Il giorno mercoledì 30 novembre 2016 23:28:26 UTC+1, Borov ha scritto:
>
> One more question,
>
> What is the way to get account @rid from this field "in('Employs')[0] as
> account"? I can get all fields, but not the @rid.
>
>
>
> On Monday, November 28, 2016 at 2:42:13 PM UTC-8, Ivan Mainetti wrote:
>>
>> Hi,
>>
>> in('Employs') returns a list, if you know that it can be only one document
>> in it you can try modifying your query adding *[0]*
>>
>>
>>
>>
>>
>>
>>
>> *String sql = " select @rid.asString() as userRid, firstName,
>> lastName, " + " active as userActive, in('Employs')[0] as
>> account " + "from User " + "where email = ? and
>> password = ?";*
>>
>> *EDIT*
>>
>> Alternatively you can change a little your code as follow (I've simplified
>> the query just for testing):
>>
>> String dbName = "stack40732762";
>>
>> OrientGraphFactory dbfactory = new
>> OrientGraphFactory("remote:127.0.0.1:2424/"+dbName, "root",
>> "root").setupPool(1, 50);
>>
>> OrientGraph db = dbfactory.getTx();
>> // ODatabaseDocumentTx db = DbPool.getConnection()
>>
>> try {
>> String query = "select name, in('Employs')[0] as account
>> from user where name = ?";
>> //
>> // OSQLSynchQuery<ODocument> query = new
>> OSQLSynchQuery<>(sql);
>> // List<ODocument> result = db.command(query).execute();
>> Iterable<OrientVertex> result = db.command(new
>> OCommandSQL(query)).execute("pippo");
>>
>> while(result.iterator().hasNext()){
>> OrientVertex d = result.iterator().next();
>>
>> // System.out.println("1 "+
>> d.field("account.id")); // <-- fails here
>> System.out.println("1 " +
>> d.getProperty("account.id")); // <-- this works!
>> // System.out.println("2 "+
>> d.field("name"));
>> System.out.println("2 " +
>> d.getProperty("name"));
>> }
>>
>>
>> } catch (Exception e) {
>> // TODO: handle exception
>> System.out.println(e);
>> }
>>
>>
>> Bye,
>>
>> Ivan
>>
>>
>> Il giorno lunedì 28 novembre 2016 21:09:14 UTC+1, Borov ha scritto:
>>>
>>> Hi guys, I posted this question on stackoverflow
>>> <http://stackoverflow.com/questions/40732762/orientdb-cant-select-data-from-connected-document>
>>> last
>>> week, but didn't get an answer, so I decided to re-posted it here.
>>>
>>>
>>> *Using OrientDB v2.2.12*. I'm trying to execute a simple sql query to
>>> retrieve data from the document searched as well as few properties of a
>>> connected document. But, for some reason ran into a dead wall on how to
>>> select the property *from the connected document*. Here is my simple
>>> scenario:
>>>
>>>
>>> I have 2 documents, an Account and a User. Account document has an edge
>>> to a User named 'Employs'. I'm trying to login a user by email and
>>> password. If record for the user is found, I simply need to get some user
>>> data from the User class (works fine) and few properties from an account
>>> document (doesn't work right) to be stored in user's session.
>>>
>>>
>>> Here is my query:
>>>
>>>
>>> try (ODatabaseDocumentTx db = DbPool.getConnection()) {
>>> String sql
>>> = " select @rid.asString() as userRid, firstName, lastName, "
>>> + " active as userActive, in('Employs') as account "
>>> + "from User "
>>> + "where email = ? and password = ?";
>>>
>>> OSQLSynchQuery<ODocument> query = new OSQLSynchQuery<>(sql);
>>> List<ODocument> result = db.command(query).execute('[email protected]',
>>> 'abc');
>>>
>>> ODocument d = result.get(0);
>>>
>>> System.out.println("1 "+ d.field("account.id")); // <-- fails here
>>> System.out.println("2 "+ d.field("userRid"));
>>> System.out.println("3 "+ d.field("account.company")); // <-- fails here
>>> System.out.println("4 "+ d.field("firstName"));
>>> System.out.println("5 "+ d.field("lastName"));
>>> System.out.println("6 "+ d.field("account.active")); // <-- fails here
>>> System.out.println("7 "+ d.field("userActive"));
>>>
>>> return new SessionUser(
>>> d.field("account.id"),
>>> d.field("userRid"),
>>> d.field("account.company"),
>>> d.field("firstName"),
>>> d.field("lastName"),
>>> d.field("account.active"),
>>> d.field("userActive"));
>>> }
>>>
>>>
>>> It fails to create the SessionUser object. More specifically, it fails
>>> on retrieval of the account properties. Here is how the data looks in
>>> System.out:
>>>
>>>
>>> 1 [17]
>>> 2 #37:0
>>> 3 [Seller 1]
>>> 4 Mike
>>> 5 Maloney
>>> 6 [true]
>>> 7 true
>>> WARN : 2016-11-21 17:53:53,036 WARN c.t.e.k.c.ExceptionHandler - Error:
>>> java.util.LinkedHashSet cannot be cast to java.lang.Integer
>>>
>>>
>>> *Here is how a single account.id <http://account.id> property looks like
>>> in the debugger*
>>>
>>>
>>> <https://lh3.googleusercontent.com/-YOuTE7s3Nkw/WDyMiR8VZkI/AAAAAAAAAAw/a9h1gGLIq4wmpCHi6rbAjF1DjnfddNhyQCLcB/s1600/Screen%2BShot%2B2016-11-21%2Bat%2B5.48.02%2BPM.png>
>>>
>>>
>>> I do see that the account properties are coming in as objects, just
>>> can't figure out how to select them easy. I didn't want to go through
>>> manually casting list then set, etc. to get to a simple account.id
>>> element. I'm sure there is a straight forward way, just can't see it. For
>>> example, if I can't use this d.field("account.id") then how do I get
>>> the ID 17?
>>>
>>>
>>> What is the right way to select data of a connected document? Or, is
>>> there a better way to construct the query itself?
>>>
>>>
>>> Thanks.
>>>
>>>
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