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fix : Disable reverted index changes (#7871)

This commit is contained in:
takayamaki 2018-06-22 06:07:40 +09:00 committed by Eugen Rochko
parent f0f8b242c4
commit 245fa1446a
2 changed files with 8 additions and 6 deletions
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7
db/migrate/20180514130000_improve_index_on_statuses_for_api_v1_accounts_account_id_statuses.rb
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@ -4,8 +4,9 @@ class ImproveIndexOnStatusesForApiV1AccountsAccountIdStatuses < ActiveRecord::Mi
disable_ddl_transaction!
def change
add_index :statuses, [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)', algorithm: :concurrently
add_index :statuses, [:account_id, :id], where: 'visibility = 3', algorithm: :concurrently
remove_index :statuses, column: [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106
# These changes ware reverted by migration 20180514140000.
# add_index :statuses, [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)', algorithm: :concurrently
# add_index :statuses, [:account_id, :id], where: 'visibility = 3', algorithm: :concurrently
# remove_index :statuses, column: [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106
end
end

7
db/migrate/20180514140000_revert_index_change_on_statuses_for_api_v1_accounts_account_id_statuses.rb
View File

@ -5,10 +5,11 @@ class RevertIndexChangeOnStatusesForApiV1AccountsAccountIdStatuses < ActiveRecor
def change
safety_assured do
add_index :statuses, [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106
add_index :statuses, [:account_id, :id, :visibility, :updated_at], order: { id: :desc }, algorithm: :concurrently, name: :index_statuses_20180106 unless index_exists?(:statuses, name: "index_statuses_20180106")
end
remove_index :statuses, column: [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)', algorithm: :concurrently
remove_index :statuses, column: [:account_id, :id], where: 'visibility = 3', algorithm: :concurrently
# These index may not exists (see migration 20180514130000)
remove_index :statuses, column: [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)', algorithm: :concurrently if index_exists?(:statuses, [:account_id, :id, :visibility], where: 'visibility IN (0, 1, 2)')
remove_index :statuses, column: [:account_id, :id], where: 'visibility = 3', algorithm: :concurrently if index_exists?(:statuses, ["account_id", "id"], where: "(visibility = 3)")
end
end