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[index] Add index on polls id and lock_version

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This commit is contained in:
Fosco Marotto 2021-01-17 21:26:56 -05:00
parent 002441af1f
commit 775439f194
2 changed files with 9 additions and 1 deletions
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7
db/migrate/20210117210100_add_index_on_polls.rb Normal file
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@ -0,0 +1,7 @@
class AddIndexOnPolls < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def change
add_index :polls, [:id, :lock_version], algorithm: :concurrently
end
end

3
db/schema.rb
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@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2021_01_17_120100) do
ActiveRecord::Schema.define(version: 2021_01_17_210100) do
# These are extensions that must be enabled in order to support this database
enable_extension "pg_stat_statements"
@ -571,6 +571,7 @@ ActiveRecord::Schema.define(version: 2021_01_17_120100) do
t.datetime "updated_at", null: false
t.integer "lock_version", default: 0, null: false
t.index ["account_id"], name: "index_polls_on_account_id"
t.index ["id", "lock_version"], name: "index_polls_on_id_and_lock_version"
t.index ["status_id"], name: "index_polls_on_status_id"
end