Rb
Poor man’s migrations
Rubidium - Wikipedia, the free encyclopedia
Properties of the element, including its history, applications, and … Rb-87, a naturally occurring isotope, is very slightly radioactive, with a half …
In case you have read PJ’s post on Automatic migrations you might like this.
Rubidium
Sources, properties, isotopes, and uses. … Atomic Number: 37. Atomic Radius: 247.5 pm. Atomic Symbol: Rb. Melting Point: 39.3 �C …
PoorMansMigrations is a very simple Active Record extension that allows you to create/update/delete DB columns without using migrations directly.
Rb: Definition from Answers.com
Rb The symbol for the element rubidium. … RB, the name used for a series of buses manufactured by Hyundai Motor Company. … rb is also the extension …
Playing with your models can be as easy as :
Doing Model.migrate will automatically sync the database table with the columns you define inside cialis your models. That is, if you add new column :what, :ever statements, those columns will be created in the table. Similarly, if you remove any column statements, respective columns will be removed from the table.
But hey, thats just stupid. Age is integer silly! Changing the column is a little tricky. As I didn’t want the library to be super smart in figuring out what changed when, I just used a simple/stupid/verbose solution. If you supply :force => true option to column definition, the column will be dropped viagra kaufen and recreated when you do Model.migrate
So the following will fix the age column :
And if you royally screw up, and just want to start everything from scratch :
Migrate with a !
Here’s the code for PoorMansMigrations :
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