#231

2026-01-27 00:42:30 +09:00
parent 7acdc16c75
commit 0636eb855e
3 changed files with 51 additions and 3 deletions
@@ -0,0 +1,47 @@
+class ChangeUserIpsToCompositePk < ActiveRecord::Migration[8.0]
+  def up
+    execute <<~SQL
+      ALTER TABLE
+        user_ips
+          MODIFY COLUMN id BIGINT NOT NULL
+      ;
+    SQL
+
+    execute <<~SQL
+      ALTER TABLE
+        user_ips
+          DROP PRIMARY KEY
+      ;
+    SQL
+
+    remove_column :user_ips, :id
+
+    execute <<~SQL
+      ALTER TABLE
+        user_ips
+          ADD PRIMARY KEY (user_id, ip_address_id)
+      ;
+    SQL
+
+    remove_index :user_ips, name: 'index_user_ips_on_user_id'
+  end
+
+  def down
+    execute <<~SQL
+      ALTER TABLE
+        user_ips
+          DROP PRIMARY KEY
+      ;
+    SQL
+
+    execute <<~SQL
+      ALTER TABLE
+        user_ips
+          ADD COLUMN id BIGINT NOT NULL AUTO_INCREMENT FIRST
+        , ADD PRIMARY KEY (id)
+      ;
+    SQL
+
+    add_index :user_ips, :user_id, name: 'index_user_ips_on_user_id'
+  end
+end