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14 lines
614 B
Ruby
14 lines
614 B
Ruby
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# frozen_string_literal: true
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# From this migration, we will save the number of reserved places for each slots, for each reservable
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# This will improved performance because of computing the number of reserved seats on each request in very resource demanding
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#
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# The places field is a jsonb object, with the following structure:
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# {reservable_type: string, reservable_id: number, reserved_places: number, user_ids: number[]}
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class AddPlacesCacheToSlot < ActiveRecord::Migration[5.2]
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def change
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add_column :slots, :places, :jsonb, null: false, default: []
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add_index :slots, :places, using: :gin
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end
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end
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