search for: data_id

I have a model where I have a tree of nodes in one table (acts_as_tree) where I also use a type column to get inheritance. In this table I also have a data_id column that refers to another row in another table (the subclass knows what table). I also have another class that have this line class Page < ActiveRecord::Base belongs_to :node, :foreign_key => "data_id", :conditions => "type == ''...

...that gives a sort of unique object number to every row in every table. Some associated tables (a documents table that can contain attachments to most any model to be exact) need this id as their foreign key counterpart. create_table "projects", :force => true do |t| t.column "data_id", :serial t.column "parent_id", :int t.column "customer_id", :int t.column "property_owner_id", :int t.column "name", :string t.column "long_description", :text t.column "created", :datetime end Now, I''ve done thi...

...nsert data in a data.frame into a database table using the RMySQL package m <- dbDriver("MySQL") con <- dbConnect(m, host = "blah", user = "blah", password = "blah", dbname = "blah") proid <- dbGetQuery(con, "select max(processed_data_id)+1 from processed_data") spot <- array.norm$arrayValues$spot_index name <- array.norm$arrayValues$name log <- array.norm$arrayValues$LogRatioNorm snr <- array.norm$arrayValues$snr empty <- NA insert <- data.frame(proid, spot,...

Dear R Users, I am a beginner in R programming and need some help with a simple plotting problem that i am having. My dataset consist of three columns: first one has data_id, second is the date and third is the actual data itself corresponding to each date. The date ranges from 1/1/2000-12/31/2009. I am trying to plot my data versus the dates as a long term time series but what's happening is that R is plotting each year on top of the previous year. so instead of g...

...holds users (username, password) and one "data" (title, message, etc.). I can handle login via filters I believe, courtesy of the Rails Recipes book. However, I''d like to limit what a user can see of the data. To do this, I added another table to the database with user_id and data_id fields. Now I''m a little stuck, as I can''t figure out how to limit the ''list'' action based on which users may see it. I don''t really need much more granularity than this. Do I need another model, to hold the user<->data mapping? Or is it enough...

So i have one table of data, each data object has two owners from the users table. so it''s data table id owner1_id owner2_id --------------------- 5 1 2 10 1 2 owner table id name --------------- 1 bob 2 cornholio so when i pull records from the data table for owner1_id how would i access the name field of owner id 2? -- Posted via