#351

backend/db/migrate/20260622010000_create_post_tag_sections.rb

@@ -4,7 +4,7 @@ class CreatePostTagSections < ActiveRecord::Migration[8.0]
       t.references :post, null: false, foreign_key: true, index: false
       t.references :tag, null: false, foreign_key: true, index: false
       t.integer :begin_ms, null: false
-      t.integer :end_ms, null: false
+      t.integer :end_ms, null: true
       t.timestamps
 
       t.index [:post_id, :begin_ms], name: 'idx_post_tag_sections_post_id_begin_ms'
@@ -12,7 +12,7 @@ class CreatePostTagSections < ActiveRecord::Migration[8.0]
       t.check_constraint 'begin_ms >= 0',
                          name: 'chk_post_tag_sections_begin_ms_natural'
 
-      t.check_constraint 'begin_ms < end_ms',
+      t.check_constraint 'end_ms IS NULL OR begin_ms < end_ms',
                          name: 'chk_post_tag_sections_end_ms_after_begin_ms'
     end
   end

backend/db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.0].define(version: 2026_06_21_000000) do
+ActiveRecord::Schema[8.0].define(version: 2026_06_22_010000) do
   create_table "active_storage_attachments", charset: "utf8mb4", collation: "utf8mb4_0900_ai_ci", force: :cascade do |t|
     t.string "name", null: false
     t.string "record_type", null: false
@@ -214,12 +214,12 @@ ActiveRecord::Schema[8.0].define(version: 2026_06_21_000000) do
     t.bigint "post_id", null: false
     t.bigint "tag_id", null: false
     t.integer "begin_ms", null: false
-    t.integer "end_ms", null: false
+    t.integer "end_ms"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["post_id", "begin_ms"], name: "idx_post_tag_sections_post_id_begin_ms"
     t.index ["tag_id"], name: "fk_rails_8be3847903"
-    t.check_constraint "`begin_ms` < `end_ms`", name: "chk_post_tag_sections_end_ms_after_begin_ms"
+    t.check_constraint "(`end_ms` is null) or (`begin_ms` < `end_ms`)", name: "chk_post_tag_sections_end_ms_after_begin_ms"
     t.check_constraint "`begin_ms` >= 0", name: "chk_post_tag_sections_begin_ms_natural"
   end
 
@@ -432,7 +432,6 @@ ActiveRecord::Schema[8.0].define(version: 2026_06_21_000000) do
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["expires_at"], name: "index_theatre_watching_users_on_expires_at"
-    t.index ["theatre_id", "expires_at"], name: "idx_on_theatre_id_skip_expires_at_4c8de1dd42"
     t.index ["theatre_id", "expires_at"], name: "index_theatre_watching_users_on_theatre_id_and_expires_at"
     t.index ["theatre_id"], name: "index_theatre_watching_users_on_theatre_id"
     t.index ["user_id"], name: "index_theatre_watching_users_on_user_id"