search for: column_names

Is anyone using migrations with a SQL Server database who might be able to lend me a hand? I''ve used migrations with MySql in the past and haven''t run into any issues so forgive When I run rake migrate nothing is actually getting updated in my database. I created a migration using ./script/generate migration AddFooTable and updated the migration to look as follows: class

development.log contains quite a few SELECTS on system tables like COLUMNS. Wouldn''t it be more efficient to cache this info? I''m also wondering about strings like "[4;35;1m". What''s their purpose and is it possible to get rid of them? They look like screen coordinates and makes no sense in a text file. Christer Processing ReportController#create (for

Hi all, when I execute the command "rake db:schema:dump" i get this error in the db/schema.rb file. ____________________________________________________ # Could not dump table "region" because of following ActiveRecord::StatementInvalid # OCIError: ORA-00918: column ambiguously defined: SELECT lower(i.index_name) as index_name, i.uniqueness, lowe r(c.column_name) as

I have a class named Source and a controller named SourceController etc. When I use Source.column_names in the view all names except names ending in _id is listed, although according to the documentation all names should be listed When I use Source.column_names in the source controller it lists correctly all names also the ones ending in id. When I first call Source.column_names in the controller...

How does one do a SELECT MAX query in rails? I''ve searched and searched and tried lots of things with no luck. I want to implement "SELECT MAX(column_name) from table_name and have it return the maximum value from column_name. I just need to get that one value, not the whole object... Thanks for any ideas... Shelby _______________________________________________ Rails mailing

I am sure this is doable but I can''t find a specific example and my brain is frazzled. Basically, I am doing a whole load of in-place editing and need methods to support the updates. Here is what I am doing now: def set_blog_website faq = Faq.find(params[:id]) faq.blog_website = params[:value] faq.save! @faq = faq do_ret end Surely there is a generic way I can

"btrfs subvolume list" gets a new option "--fields=..." which allows to specify which pieces of information about subvolumes shall be printed. This is necessary because this commit also adds all the so far missing items from the root_item like the received UUID, all generation values and all time values. The parameters to the "--fields" option is a list of items to

Hi, after some experience with Rails on MySQL databases I gave it a try on one of our larger Oracle database. I was facing a problem when Rails tried to detect the columns for a model/table. The appropriate statement ran about 1 min which led to a timeout. Our Oracle guru told me to analyze the SYSTEM schema. After that hadn''t helped, he said the only remaining chance is to use a

Hello everyone, I have another question related to a legacy schema I am working with. Do dynamic finders work with legacy schemas in general? The schema I am working with uses hungarian prefixes for column names. For example fOpen is 0 if a bug is closed and 1 if it is open (type smallint). When I try @bugs = Bug.find_all_by_fOpen(1), I get the following exception: undefined method

to wrap each instance variable of an ActiveRecord object between "<td>" and "</td>", is there a way to "loop through" them, at least in the debug mode, no matter there is getter methods to get them or not, or at least the ones with the getter methods? Such as <% @stories.each do |s| %> <%= "<tr>" %> <% s.each_property

I''m just looking into how to connect to Oracle using Rails. I''ve got everything connecting and working as it should. I have a Users table in Oracle: create_table "users", :force => true do |t| t.column "username", :string t.column "created_on", :datetime t.column "email", :string t.column "note", :text

Hello, I'm trying to duplicate what's an easy process in RapidMiner. In RM, we can simply use two operators: subgroup iteration attribute value selection (Can use a regex for the attrribute name.) I can do this in R with a lot of code and manual steps. It would be really nice to find a more automated way. My data looks like this group group_height group_weight height

...# # # # # # # v3 # # # # # # # v4 # # # # # # # v5 # # # # # # # v6 # # # # # # # I want to give the following column names to each data.frame: ("SDev", "PC1", "PC2", "PC3", "PC4", "PC5", "PC6") Works fine for one data.frame: column_names <- c("SDev", "PC1", "PC2", "PC3", "PC4", "PC5", "PC6") names( df1 ) <- column_names How is it to be done at once for all data.frames that the function objects(pattern = "SomePattern") can find? I've tried se...

I''d like my published boolean to be excluded from the calculation as to whether a version is created or not. Can anyone suggest a way to do that? Thanks, Walter -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To

I want to build an application that lets me (the end user accessing a web page) design a simple list with columns and add records. E.g., if the end user says I want a table that has a list of songs, he can create a list (title, date, artist, label) and then make another list of, e.g., books on his bookshelf with the necessary columns (title, author, pub_date, shelf). The end user

Hi, I read the example in http://wiki.rubyonrails.com/rails/pages/HowtoUseMultipleDatabases, it show us how to connect to other database, each time we start a new action, however, this doesn''t work while you try to connect to two different database within the same action. SO I wonder is it possible to bind to two or more database within the same action???? Thanks you very much Saiho

Hello, In my database, I have a table "products" with attributes : - id - title ->string - desc -> text I use active record, but I don''t know why recover the type of this attribute with active record? I try attributes_before_type_cast but I don''t see the type Can you help me? Excuse for my english (I''am a young student french) -- Posted via

Hi, Sometime when I attach a dataset, R gives me the following message/warning:"The following object(s) are masked from package:datasets: column_name". Does anyone know what it means? Since it seems that the dataset was attached and I could manipulate the data from the dataset without problems, I am wondering what was R trying to tell me. Thanks, Tom [[alternative HTML version

Hello There, As a new comer to RoR, I started to follow the article http://developer.apple.com/tools/developonrailsleopard.html. In short you create to entities and one one-to-many relation linking them. Everything was good until the establishment of the relation. I am unable to go any further than "Linking Models Together" : I can create the "vendors" mentionned in the

Hi! It''s rather ruby question than rails... I have a single ''list'' action where i call paginate method. I can receive none, 1 or 2 variables that specify conditions for paginate method. How to write the code so i can call paginate without conditions if all conditions variable are nil, with a single condition if one of conditions variables is not empty and with 2 if