Migration in Multiple Database

Rails
1

hello to all
I been working on this from past few days.
.I am talking about separate migration for each one of the multiple
database that a single rails application has connection with.I know that
rails can work with multiple databases but what with migrations
for e.g
my main rails application has a connection to two databases
1> main_development
2> secondary_development

Know suppose i have to create a new migration for my secondary database
how do i do it

thanks to everyone

2

Virendra N. wrote:

my main rails application has a connection to two databases
1> main_development
2> secondary_development

Know suppose i have to create a new migration for my secondary database
how do i do it

I’ll trade you! This is how you do migrations. Change the declaration of
all of your applicable migrations:

class MyMigration < SecondaryDevelopmentMigration
… the remainder of your migration …

Put this somewhere convenient:

class SecondaryDevelopmentMigration < ActiveRecord::Migration
def self.connection
SecondaryDevelopment.connection
end
end

Your turn! How do you handle test fixtures for your second database?

3

Adam Ms. wrote:
[…]

Your turn! How do you handle test fixtures for your second database?

Test fixtures are evil. Use factories instead (I’m fond of Machinist
for this).

Best,

Marnen Laibow-Koser
http://www.marnen.org
[email protected]

4

Adam Ms. wrote:

Virendra N. wrote:

my main rails application has a connection to two databases
1> main_development
2> secondary_development

Know suppose i have to create a new migration for my secondary database
how do i do it

I’ll trade you! This is how you do migrations. Change the declaration of
all of your applicable migrations:

class MyMigration < SecondaryDevelopmentMigration
… the remainder of your migration …

Put this somewhere convenient:

class SecondaryDevelopmentMigration < ActiveRecord::Migration
def self.connection
SecondaryDevelopment.connection
end
end

Your turn! How do you handle test fixtures for your second database?

Sorry i didn’t get that could you please explain me one more time with
good e.g
thank anyway