58 lines
2.1 KiB
Ruby
58 lines
2.1 KiB
Ruby
# This migration comes from active_storage (originally 20170806125915)
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class CreateActiveStorageTables < ActiveRecord::Migration[5.2]
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def change
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# Use Active Record's configured type for primary and foreign keys
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primary_key_type, foreign_key_type = primary_and_foreign_key_types
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create_table :active_storage_blobs, id: primary_key_type do |t|
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t.string :key, null: false
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t.string :filename, null: false
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t.string :content_type
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t.text :metadata
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t.string :service_name, null: false
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t.bigint :byte_size, null: false
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t.string :checksum
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if connection.supports_datetime_with_precision?
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t.datetime :created_at, precision: 6, null: false
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else
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t.datetime :created_at, null: false
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end
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t.index [ :key ], unique: true
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end
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create_table :active_storage_attachments, id: primary_key_type do |t|
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t.string :name, null: false
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t.references :record, null: false, polymorphic: true, index: false, type: foreign_key_type
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t.references :blob, null: false, type: foreign_key_type
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if connection.supports_datetime_with_precision?
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t.datetime :created_at, precision: 6, null: false
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else
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t.datetime :created_at, null: false
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end
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t.index [ :record_type, :record_id, :name, :blob_id ], name: :index_active_storage_attachments_uniqueness, unique: true
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t.foreign_key :active_storage_blobs, column: :blob_id
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end
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create_table :active_storage_variant_records, id: primary_key_type do |t|
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t.belongs_to :blob, null: false, index: false, type: foreign_key_type
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t.string :variation_digest, null: false
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t.index [ :blob_id, :variation_digest ], name: :index_active_storage_variant_records_uniqueness, unique: true
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t.foreign_key :active_storage_blobs, column: :blob_id
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end
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end
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private
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def primary_and_foreign_key_types
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config = Rails.configuration.generators
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setting = config.options[config.orm][:primary_key_type]
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primary_key_type = setting || :primary_key
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foreign_key_type = setting || :bigint
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[primary_key_type, foreign_key_type]
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end
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end
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