#59

backend/db/migrate/20250729124200_create_post_similarities.rb

@@ -0,0 +1,9 @@
+class CreatePostSimilarities < ActiveRecord::Migration[7.0]
+  def change
+    create_table :post_similarities do |t|
+      t.references :post, null: false, foreign_key: { to_table: :posts }
+      t.references :target_post, null: false, foreign_key: { to_table: :posts }
+      t.float :cos, null: false
+    end
+  end
+end

backend/db/migrate/20250729210600_create_tag_similarities.rb

@@ -0,0 +1,9 @@
+class CreateTagSimilarities < ActiveRecord::Migration[7.0]
+  def change
+    create_table :tag_similarities do |t|
+      t.references :tag, null: false, foreign_key: { to_table: :tags }
+      t.references :target_tag, null: false, foreign_key: { to_table: :tags }
+      t.float :cos, null: false
+    end
+  end
+end