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This ensures we can very quickly figure out which topics are banners if a banner is set. Previously you would have to scan an entire table to find banners
8 lines
319 B
Ruby
8 lines
319 B
Ruby
# frozen_string_literal: true
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class AddBannerIndexToTopics < ActiveRecord::Migration[6.0]
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def change
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# this speeds up the process for finding banners on the site
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add_index :topics, [:id], name: 'index_topics_on_id_filtered_banner', where: "archetype = 'banner' AND deleted_at IS NULL", unique: true
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end
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end
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