Add index for date in table diffs
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@ -0,0 +1,9 @@
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class AddCreationDayIndexToDiffs < ActiveRecord::Migration[5.2]
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def up
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add_index :diffs, "date_trunc('day', created_at) DESC", name: "diffs_creation_day_index"
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end
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def down
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remove_index :diffs, name: "diffs_creation_day_index"
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end
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end
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@ -10,7 +10,7 @@
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#
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# It's strongly recommended that you check this file into your version control system.
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ActiveRecord::Schema.define(version: 2018_11_27_204747) do
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ActiveRecord::Schema.define(version: 2019_01_20_155929) do
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# These are extensions that must be enabled in order to support this database
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enable_extension "plpgsql"
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@ -19,6 +19,7 @@ ActiveRecord::Schema.define(version: 2018_11_27_204747) do
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t.json "content", null: false
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t.bigint "site_id", null: false
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t.datetime "created_at", null: false
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t.index "date_trunc('day'::text, created_at) DESC", name: "diffs_creation_day_index"
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t.index ["site_id"], name: "index_diffs_on_site_id"
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end
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