Displaying 20 results from an estimated 1000 matches similar to: "execute joins manually without :include parameter"
2006 Mar 15
1
Through method problems with custom foreign_keys
A person has a many company_branches and
A company_branch has many people.
This join is represented using a "contacts" table.
I am using a legacy schema so i am forced into using non-standard rails
primary keys. I am using the new through relationship in rails 1.1.
p=Person.find(1)
b=p.company_branches # gives this error:
ActiveRecord::StatementInvalid: OCIError: ORA-00904:
2010 Aug 19
1
Composite primary keys and :joins=>
I have a legacy db with the following simplified structure:
Table-A:
type_key, code_key, name, ... # PKs are type_key and code_key,
there is no id col and I cannot alter this db
Table-B: # each row has only the code as a foreign_key, the type_key
is hard-coded to "FOOKEY"
an_id, code, ...
Models:
class TableB < AR::Base
set_table_name ''table_b''
2006 Apr 11
1
Foreign Keys
Hi,
My tables are as follows:
"tblusers" - primary key "TblUsersID"
"tblregisteredphones" - primary key "TblRegisteredPhonesID"
- foreign key "intUserID"
My models are as follows:
class Registeredphone < ActiveRecord::Base
set_table_name "tblregisteredphones"
belongs_to :user,
:foreign_key
2006 Jan 18
3
legacy database on remote host
I''m getting this error in webrick then it crashes leaving nothing in the
log.
ruby: symbol lookup error:
/usr/lib/ruby/gems/1.8/gems/mysql-2.7/lib/mysql.so: undefined symbol:
mysql_sqlstate
Here is the standard query I would normally write to get the data.
select * from child,parent
where CONCAT(SUBSTRING(child.item_number,1,14,''00'') =
parent.order_number and
2007 Aug 11
0
Object herency problems
MOdel
Why when i put: Member.find(params[:id]).genealogy,
it tells: undefined method `genealogy'' for #<Matrix:0x4682280>
class Member < ActiveRecord::Base
set_primary_key :userid
has_many :matrix, :foreign_key => :userid
has_many :matrix, :foreign_key => :parent
def genealogy
result = matrix.clone
matrix.each do |m|
m.children.each do |c|
2009 Apr 16
0
Magic multi connections with association problem
Dear all
I am using magic multi connections, there is some problem when using
association. How can I dynamic determine the module name (i.e.
A::Request, B::Request) in activerecord association.
Below is my code:
module A
establish_connection :A
end
module B
establish_connection :B
end
# and many module....
class Request < ActiveRecord::Base
set_table_name "request"
2008 Jan 23
1
Making Parents object attributes available
Hello,
I have a class Person
class Persoon < ActiveRecord::Base
set_table_name "Persoon"
set_primary_key "p_persoon"
has_many :adres, :class_name => "Adres"
composed_of :name, :class_name => Name, :mapping => [ [:naam,:naam],
[:voornaam,:voornaam], [:voornaam2,:voornaam2],
[:persnickname,:persnickname], [:perssortname,:perssortname] ]
def
2006 Jan 16
0
belongs_to with has_and_belongs_to_many
I''m having a problem with belongs_to and has_and_belongs_to_many.
Here''s a brief summary of the models involved:
class Member < ActiveRecord::Base
set_primary_key ''member_id''
has_and_belongs_to_many :projects, :join_table => ''projects__members''
has_many :projects, :foreign_key => ''created_by''
end
class
2007 Apr 17
0
set_primary_key issue
Hi:
I am new to the ruby and rails. What I am tried to do is to create a
scaffold based on an existing table in a MS SQL Server database.
Before I used the set_primary_key method, edit and show does not work
in the generated code. Rails displayed the list of the records ok, but
can not determine the id for each record. Create a new record does
work properly, however.
After I used the
2006 Feb 14
6
[newb] Find vs Find :all question
I''m playing out with writing an online store.
So far it has accounts, addressbooks, and orders, and those 3 are tied
together with an customer ID. I also have orderDetails, which are
associated to the order via an order number. See models below...
When I do the following I can access the orderDetails information just
fine:
@order = Order.find(params[:id]) # i pass it a customer
2006 Feb 03
3
My associations are coming out nil.
I''ve got a fairly simple system with a table for my Users that
includes a CountryId field which looks up to the CountryId field of my
Country table. What I would like to happen is for my Rails
application, which contains models for both User and Country, to be
able to draw the dropdown list of available countries on the edit
page, like it does in all the tutorials.
My model classes look
2006 Jul 03
9
Migrations from Mysql to Oracle. PLS HELP!
Hi all,
I''m using Rails/Mysql as development platform. the production server is
under Rails/Oracle.
Right now, i''m trying to install my application under the production
server, the connection to orcale is fine via Rails, but i have a weird
problem. example :
here is a extract from my db scheme :
Table User :_____________
id_user |
first_name |
2005 Oct 05
0
has_and_belongs_to_many on legacy DB
I am working with mapping ActiveRecord onto a legacy database. All is going
well (using set_table_name, set_primary_key, etc), but I can''t get my
many<=>many relationships to work.
My contrived example of the situation:
Student has_and_belongs_to_many Teachers. This is mapped via table
student2teacher where the foreign keys are studentId and teacherId. The
primary key in Student
2006 Mar 09
2
turn off auto increment
Hello,
I have an old table that handles sessions. the primary key is a field
called session_id and is the actual session id like "8df838303ufdfu838"
however when i do the following in the model:
set_primary_key "session_id"
and the following in the controller:
@session_hash = { "session_id" => @session.session_id, "session_user_id" =>
2006 Jul 25
2
join in legacy DB?
I''ve got a problem with some tables that don''t follow any RAILS
standards. how do I define the join in the model when all three tables
have wacky names?
class Machine < ActiveRecord::Base
set_table_name "tbl_CodeMgmt_Host"
set_primary_key "Id"
end
class Pool < ActiveRecord::Base
set_table_name "tbl_CodeMgmt_Pool"
set_primary_key
2006 Jun 14
0
Mssql Multiple Database Access Error
Hi All,
I am having a problem to access multiple databases with mssql
I am running Ruby 1.8.4 and Rails 1.1 on Windows 2000 Advanced Server.
I am simply trying to integrate the application I wrote before for
Oracle to Mssql. The application works perfectly with Oracle with the
installed driver OCI8. The app retrives data based on a search criteria
from those databases.
I followed the directions
2006 Apr 07
6
Foreign Key naming convention override
I am working with an existing database and have to keep all table and
field names as they are. ''tblcustomers'' and ''tblitems'' are linked by the
''tblcustomers'' id field ''tblcustomersid''. In ''tblitems'', the foreign key
is called ''txtcustomerid''.
I have already set the customers model to
2006 Mar 14
4
has_one
I''ve got an order model that stores order data.
One piece of data is a credit card type, which is a digit 1,2 or 3.
I have a cardType model that has an id, shortName and LongName for the
credit card merchant (visa, mastercard, amex).
I want to be able to say: order.cardType.shortName, but can''t seem to
get has_one working. It works with has_many and a finder_sql statement
on
2006 Oct 14
2
issues with validates_associated not throwing error
Hello all
I''m having an issue with ruby on rails, and it not throwing an error
where it should.
I have a class ''clientpool'' that is:
class Clientpool < ActiveRecord::Base
set_table_name "clientpool"
set_primary_key "id"
belongs_to :clients, :foreign_key => "cliname"
validates_presence_of :cliname
validates_associated :client
end
2006 Jul 22
3
Connection refused - connect(2)
Dear all,
Please help me in this regards,
I am using models to access LegacySchemas using
set_table_name and set_primary_key...
[code for model]
class CdDetails < ActiveRecord::Base
def self.find_data
set_table_name ''cd_details''
set_primary_key ''cd_label''
find (:first,
:select => "cd_label")
end