similar to: many-to-one relationship, do I need a second table?

Displaying 20 results from an estimated 3000 matches similar to: "many-to-one relationship, do I need a second table?"

2006 Jan 11
3
How do you do a custom sql call in rails?
Hi. I am developing an industry specific crm that allows busineses to track customers in a particular way. Each customer will be assigned a customer number. The first customer will have a customer number of 1, the second customer_number = 2, etc... Note that this customer number is not global but particular to the account that created the customer (see schema snip below). I need to have a
2006 Mar 15
10
Scaffold with Foreign Key
I have two tables: ------------------------------ drop table if exists users; create table users ( id int not null auto_increment, username varchar(100) not null, password varchar(20) not null, firstname varchar(20) not null, lastname varchar(20) not null, primary key (id) ) TYPE = InnoDB; ------------------------------ drop table
2006 Sep 29
1
newbie Q: it won't display foreign keys...
I have two tables CREATE TABLE continents ( id int(11) NOT NULL auto_increment, name varchar(255) NOT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; CREATE TABLE countries ( id int(11) NOT NULL auto_increment, name varchar(255) NOT NULL, continent_id int(11) NOT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8; I generate scaffolds for country and for
2005 Dec 12
2
count sql failing with unknown table....
Hey Rails People, I''m doing my first Rails app and I''m having a newbie problem with the count method.... Mysql::Error: #42S02Unknown table ''jobs_sectors'' in where clause: SELECT COUNT(*) FROM jobs WHERE (jobs_sectors.sector_id = 1 ) Extracted source (around line #4): 1: <div class="sectors"> 2: <ul> 3: <% for sector in @sectors
2006 Jan 26
9
Problem with schema_db_import on Site5?
Hello, I am trying to put my rails app on a host .So I presume the method to do this is to first do rake db_schema_dump and then copy it to the host and do rake db_schema_import. I use mySQL Ver 14.7 Distrib 4.1.14, for pc-linux-gnu (i686) using readline 4.3 ** Invoke db_schema_import (first_time) ** Invoke environment (first_time) ** Execute environment ** Execute db_schema_import rake
2009 Aug 31
3
Migration - wrong SQL statement is created
Hi, I am doing my first steps with RoR and I have the following problem: I execute my migration file with the following content on a MySQL-database via Rake: <code> class CreateUsers < ActiveRecord::Migration def self.up create_table :users do |t| t.integer :id t.string :username, :size => 100 t.string :password, :size => 100 t.string :email, :size
2006 Jan 05
3
ActiveRecord setting IDs on auto increment fields
Hi All, I''ve tried to do my searches, but can''t find reference to this anywhere - My question is about ActiveRecord inserts and IDs. I have a join table that both the models of the source tables join with "has_and_belongs_to_many". It seems like ActiveRecord is setting the "id" field for the join table- This should be an auto_increment and
2006 Apr 17
1
database design Q
I am in the middle of setting up mysql database for my RoR application. and here is some questions in my mind hope you can help. 1. this is a photoblog story telling like system, where people can creat their own groups the database tables are: people, groups, articls, pictures People to Groups are many-to-many relationships People to Articles are one-to-many Group to Articles are one-to-many
2009 Jul 04
3
scaffolding
hi , i used the folllwing command to scaffold, G:\my\webblog>ruby script/generate scaffold webblog id:integer title:string body :text created_at:datetime after when i migrate with the follwing command rake db:migrate i got the error as (in G:/my/webblog) == 1 CreateWebblogs: migrating ================================================ -- create_table(:webblogs) rake aborted! Mysql::Error:
2015 Jul 06
4
CDR in an MySQL-Database
Hi list! I'd like to save all information about calls (CDR) in a MySQL-Database. I created the DB and a user for Asterisk on a separate server, then I configured my cdr_mysql.conf so: [global] hostname=192.168.10.3 dbname=asterisk table=cdr password=MYSECRET user=asterisk port=3306 and my cdr.conf so: [general] enable=yes unanswered = yes safeshutdown=yes [mysql] usegmtime=no
2006 Aug 14
1
rake test:units -> table already exists
Hi! When I run test:units, rails complains about the tables already being present. They had to be present so I could run individual unit tests. So why doesn''t rails just drop the tables if they exist? Any ideas?? Jeroen debug oupt below: >rake test:units --trace (in ...) ** Invoke test:units (first_time) ** Invoke db:test:prepare (first_time) ** Invoke environment (first_time)
2006 May 13
1
Rake clone bug?
Hi. I''m having a problem with my testing. The following table in my development database (MySQL 4.1.12, InnoDB): +-----------------------+------------------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +-----------------------+------------------------+------+-----+---------+----------------+ |
2006 Jun 21
3
rake migrate says table already exists
Hi all, I used the generate script to make a bunch of table migrations, resulting in files like 002_bookmarks.rb, 003_tags.rb, etc. When I did the ''rake migrate'', the db was set up but more migration files appeared, now called 009_create_bookmarks.rb, 010_create_tags.rb, etc. Now when I want to change the database (add a table or column, alter the schema) I do
2007 Apr 15
1
help:How to set default value for a column use of migration?
hi,all.. Here i want to use of migration to create a table and set a defult value for a column..but i cant''t finished.. mycode: class CreateMessages < ActiveRecord::Migration def self.up create_table :messages do |t| t.column :name, :string t.column :content, :text t.column :posttime, :datetime, :default => "now()" end end def
2006 Oct 31
4
Auto-increment lost during migration.
Hi. I get some strange results when using rename_column on a primary key in a migration. It seems like the migration script removes the auto-increment property if you rename a column. This is a minimal example. create_table :foo, :primary_key => :foo_id do |t| t.column "name", :string end # renaming the primary key makes auto-increment disappear. rename_column
2008 Apr 30
4
Beginner mysql problem
I am new to rails and have come across a problem with a sample application I was working on. When trying to use rake migrate I got the error listed below. my db file contains the following class ContactDb < ActiveRecord::Migration def self.up create_table "people" do |t| t.column "id", :integer t.column "name",
2006 Jan 12
1
Best Forum? Was: Migration doesn''t seem to preserve create_table options in schema
Hi, is this the best forum to answer this question? Is there any better source for information or another mailinglist to address this question to? Cheers, Mariano ---------- Forwarded message ---------- From: Mariano Kamp <mariano.kamp@gmail.com> Date: Jan 8, 2006 6:24 PM Subject: Migration doesn''t seem to preserve create_table options in schema To: rails@lists.rubyonrails.org
2009 Feb 23
1
ActiveRecord::AssociationTypeMismatch
I have 2 models: mop, has_and_belong_to_many :contacts contact, has_and_belong_to_many :mops when I save my mop Ii have the users coming in a an array: ["9",10"] I am doing this to asscociate each one to a mop: @contacts.each do |contact| @mop.contacts << contact end Contact(#44950470) expected, got String(#20837400) It is giving me the above error. Any ideas?
2006 Apr 22
7
Proper Database Design For A Newbie
Hi all, I am starting out learning Ruby on Rails (coming from a PHP background) and I have a question about proper database design. Let me give you a quick example of what I want to do: Database: CREATE TABLE `users` ( `id` int(11) NOT NULL auto_increment, `login` varchar(40) default NULL, `email` varchar(100) default NULL, `crypted_password` varchar(40) default NULL, `salt`
2006 Jul 15
1
Relationship problem, newbie problem, need help!!
Hey all I seem to be having some problems with my relationship between a few tables... If i then run the following query in mysql, i get the data i want. How do i do this in rails relationships and models? select * from shop_addresses left join shops on shops.id = shop_addresses.shop_id left join styles on styles.id = shops.style_id where shop_uri = ''127.0.0.1'' Cheers!!