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Merge branch 'roll_up_slow_migrations'

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This commit is contained in:
Ilya Zhitomirskiy 2011-10-18 16:26:05 -07:00
commit 924e18887a
4 changed files with 66 additions and 33 deletions
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2
db/migrate/20111011194702_comment_anything.rb
View file

@ -4,7 +4,7 @@ class CommentAnything < ActiveRecord::Migration
remove_index :comments, :post_id
change_table :comments do |t|
t.rename :post_id, :commentable_id
t.string :commentable_type, :default => 'Post', :null => false
t.string :commentable_type, :default => 'Post', :null => false, :limit => 60
end
end

73
db/migrate/20111011195702_share_anything.rb
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@ -1,30 +1,67 @@
class ShareAnything < ActiveRecord::Migration
def self.up
remove_foreign_key :aspect_visibilities, :posts
remove_index :aspect_visibilities, :post_id_and_aspect_id
remove_index :aspect_visibilities, :post_id
change_table :aspect_visibilities do |t|
t.rename :post_id, :shareable_id
t.string :shareable_type, :default => 'Post', :null => false
end
start_sql = "ALTER TABLE aspect_visibilities "
sql = []
#remove_index :aspect_visibilities, :post_id_and_aspect_id
sql << "DROP INDEX `index_aspect_visibilities_on_post_id_and_aspect_id`"
#remove_index :aspect_visibilities, :post_id
sql << "DROP INDEX `index_aspect_visibilities_on_post_id`"
# change_table :aspect_visibilities do |t|
# t.rename :post_id, :shareable_id
# t.string :shareable_type, :default => 'Post', :null => false
# end
sql << "CHANGE COLUMN post_id shareable_id int NOT NULL"
sql << "ADD shareable_type varchar(255) NOT NULL DEFAULT 'Post'"
# add_index :aspect_visibilities, [:shareable_id, :shareable_type, :aspect_id], :name => 'shareable_and_aspect_id'
# add_index :aspect_visibilities, [:shareable_id, :shareable_type]
sql << "add index `shareable_and_aspect_id` (`shareable_id`, `shareable_type`, `aspect_id`)"
sql << "add index `index_aspect_visibilities_on_shareable_id_and_shareable_type` (`shareable_id`, `shareable_type`)"
execute(start_sql + sql.join(', ') + ';')
add_index :aspect_visibilities, [:shareable_id, :shareable_type, :aspect_id], :name => 'shareable_and_aspect_id'
add_index :aspect_visibilities, [:shareable_id, :shareable_type]
remove_foreign_key :post_visibilities, :posts
remove_index :post_visibilities, :contact_id_and_post_id
remove_index :post_visibilities, :post_id_and_hidden_and_contact_id
change_table :post_visibilities do |t|
t.rename :post_id, :shareable_id
t.string :shareable_type, :default => 'Post', :null => false
end
rename_table :post_visibilities, :share_visibilities
add_index :share_visibilities, [:shareable_id, :shareable_type, :contact_id], :name => 'shareable_and_contact_id'
add_index :share_visibilities, [:shareable_id, :shareable_type, :hidden, :contact_id], :name => 'shareable_and_hidden_and_contact_id'
start_sql = "ALTER TABLE share_visibilities "
sql = []
#remove_index :post_visibilities, :contact_id_and_post_id
#remove_index :post_visibilities, :post_id_and_hidden_and_contact_id
sql << "DROP INDEX `index_post_visibilities_on_contact_id_and_post_id`"
sql << "DROP INDEX `index_post_visibilities_on_post_id_and_hidden_and_contact_id`"
#change_table :post_visibilities do |t|
# t.rename :post_id, :shareable_id
# t.string :shareable_type, :default => 'Post', :null => false
#end
sql << "CHANGE COLUMN post_id shareable_id int NOT NULL"
sql << "ADD shareable_type varchar(60) NOT NULL DEFAULT 'Post'"
#add_index :share_visibilities, [:shareable_id, :shareable_type, :contact_id], :name => 'shareable_and_contact_id'
#add_index :share_visibilities, [:shareable_id, :shareable_type, :hidden, :contact_id], :name => 'shareable_and_hidden_and_contact_id'
sql << "add index `shareable_and_contact_id` (`shareable_id`, `shareable_type`, `contact_id`)"
sql << "add index `shareable_and_hidden_and_contact_id` (`shareable_id`, `shareable_type`, `hidden`, `contact_id`)"
execute(start_sql + sql.join(', ') + ';')
end

4
db/migrate/20111018010003_add_back_indexes.rb
View file

@ -1,8 +1,6 @@
class AddBackIndexes < ActiveRecord::Migration
def self.up
# reduce index size
change_column :comments, :commentable_type, :string, :default => "Post", :null => false, :length => 60
change_column :share_visibilities, :shareable_type, :string, :default => "Post", :null => false, :length => 60
add_index :photos, :status_message_guid
add_index :comments, [:commentable_id, :commentable_type]
@ -12,8 +10,6 @@ class AddBackIndexes < ActiveRecord::Migration
remove_index :comments, :column => [:commentable_id, :commentable_type]
remove_index :photos, :column => :status_message_guid
change_column :share_visibilities, :shareable_type, :string, :default => "Post", :null => false
change_column :comments, :commentable_type, :string, :default => "Post", :null => false
# reduce index size
end
end

4
db/schema.rb
View file

@ -58,7 +58,7 @@ ActiveRecord::Schema.define(:version => 20111018010003) do
t.datetime "created_at"
t.datetime "updated_at"
t.integer "likes_count", :default => 0, :null => false
t.string "commentable_type", :default => "Post", :null => false
t.string "commentable_type", :limit => 60, :default => "Post", :null => false
end
add_index "comments", ["author_id"], :name => "index_comments_on_person_id"
@ -369,7 +369,7 @@ ActiveRecord::Schema.define(:version => 20111018010003) do
t.datetime "updated_at"
t.boolean "hidden", :default => false, :null => false
t.integer "contact_id", :null => false
t.string "shareable_type", :default => "Post", :null => false
t.string "shareable_type", :limit => 60, :default => "Post", :null => false
end
add_index "share_visibilities", ["contact_id"], :name => "index_post_visibilities_on_contact_id"