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Add index for date in table diffs

master
Norore 4 years ago
parent
commit
b284e3a2e0
  1. 9
      db/migrate/20190120155929_add_creation_day_index_to_diffs.rb
  2. 3
      db/schema.rb

9
db/migrate/20190120155929_add_creation_day_index_to_diffs.rb

@ -0,0 +1,9 @@
class AddCreationDayIndexToDiffs < ActiveRecord::Migration[5.2]
def up
add_index :diffs, "date_trunc('day', created_at) DESC", name: "diffs_creation_day_index"
end
def down
remove_index :diffs, name: "diffs_creation_day_index"
end
end

3
db/schema.rb

@ -10,7 +10,7 @@
#
# It's strongly recommended that you check this file into your version control system.
ActiveRecord::Schema.define(version: 2018_11_27_204747) do
ActiveRecord::Schema.define(version: 2019_01_20_155929) do
# These are extensions that must be enabled in order to support this database
enable_extension "plpgsql"
@ -19,6 +19,7 @@ ActiveRecord::Schema.define(version: 2018_11_27_204747) do
t.json "content", null: false
t.bigint "site_id", null: false
t.datetime "created_at", null: false
t.index "date_trunc('day'::text, created_at) DESC", name: "diffs_creation_day_index"
t.index ["site_id"], name: "index_diffs_on_site_id"
end

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