5f143c4308
* Add polymorphism to Broadcasts table - Adds a broadcastable_id column to Broadcasts - Adds a broadcastable_type column to Broadcasts * Create Announcements and Welcome Notifications tables - Adds an Announcements table - Adds a Welcome Notifications table - Adds timestamps to both tables - Adds banner_style column to Announcements table * Adds Announcement and Welcome Notification models - Adds an Announcement model in prep for polymorphism - Adds a WelcomeNotification model in prep for polymorphism * Add data_update script to backfill type_of column for Broadcasts * Add unique index on broadcastable_type and broadcastable_id on the Broadcasts table * Add update! to the data_update script to backfill broadcastable_type
7 lines
216 B
Ruby
7 lines
216 B
Ruby
class AddIndexToBroadcasts < ActiveRecord::Migration[6.0]
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disable_ddl_transaction!
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def change
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add_index :broadcasts, %i[broadcastable_type broadcastable_id], unique: true, algorithm: :concurrently
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end
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end
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