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Change materialized views to be refreshed concurrently to avoid locks (#29015)

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Eugen Rochko 2024-01-30 19:21:30 +01:00 • committed by GitHub
parent c4af668e5c
commit fa0ba67753
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7 changed files with 11 additions and 7 deletions
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2
db/migrate/20210322164601_create_account_summaries.rb
View file

@ -2,7 +2,7 @@
class CreateAccountSummaries < ActiveRecord::Migration[5.2]
def change
create_view :account_summaries, materialized: { no_data: true }
create_view :account_summaries, materialized: true
# To be able to refresh the view concurrently,
# at least one unique index is required

2
db/migrate/20210505174616_update_follow_recommendations_to_version_2.rb
View file

@ -6,7 +6,7 @@ class UpdateFollowRecommendationsToVersion2 < ActiveRecord::Migration[6.1]
def up
drop_view :follow_recommendations
create_view :follow_recommendations, version: 2, materialized: { no_data: true }
create_view :follow_recommendations, version: 2, materialized: true
# To be able to refresh the view concurrently,
# at least one unique index is required

6
db/migrate/20211213040746_update_account_summaries_to_version_2.rb
View file

@ -4,7 +4,7 @@ class UpdateAccountSummariesToVersion2 < ActiveRecord::Migration[6.1]
def up
reapplication_follow_recommendations_v2 do
drop_view :account_summaries, materialized: true
create_view :account_summaries, version: 2, materialized: { no_data: true }
create_view :account_summaries, version: 2, materialized: true
safety_assured { add_index :account_summaries, :account_id, unique: true }
end
end
@ -12,7 +12,7 @@ class UpdateAccountSummariesToVersion2 < ActiveRecord::Migration[6.1]
def down
reapplication_follow_recommendations_v2 do
drop_view :account_summaries, materialized: true
create_view :account_summaries, version: 1, materialized: { no_data: true }
create_view :account_summaries, version: 1, materialized: true
safety_assured { add_index :account_summaries, :account_id, unique: true }
end
end
@ -20,7 +20,7 @@ class UpdateAccountSummariesToVersion2 < ActiveRecord::Migration[6.1]
def reapplication_follow_recommendations_v2
drop_view :follow_recommendations, materialized: true
yield
create_view :follow_recommendations, version: 2, materialized: { no_data: true }
create_view :follow_recommendations, version: 2, materialized: true
safety_assured { add_index :follow_recommendations, :account_id, unique: true }
end
end

2
db/migrate/20230818141056_create_global_follow_recommendations.rb
View file

@ -2,7 +2,7 @@
class CreateGlobalFollowRecommendations < ActiveRecord::Migration[7.0]
def change
create_view :global_follow_recommendations, materialized: { no_data: true }
create_view :global_follow_recommendations, materialized: true
safety_assured { add_index :global_follow_recommendations, :account_id, unique: true }
end
end

2
db/post_migrate/20230818142253_drop_follow_recommendations.rb
View file

@ -6,7 +6,7 @@ class DropFollowRecommendations < ActiveRecord::Migration[7.0]
end
def down
create_view :follow_recommendations, version: 2, materialized: { no_data: true }
create_view :follow_recommendations, version: 2, materialized: true
safety_assured { add_index :follow_recommendations, :account_id, unique: true }
end
end