1 files changed, 12 insertions, 2 deletions
diff --git a/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt b/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
index 7f33439..2fd5816 100644
--- a/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
+++ b/app/src/main/java/org/terst/feedreader/data/AppDatabase.kt
@@ -12,7 +12,7 @@ private const val TAG = "FeedMigration"
 
 @Database(
     entities = [FeedEntity::class, ArticleEntity::class, FilterRuleEntity::class],
-    version = 9,
+    version = 10,
     exportSchema = false
 )
 abstract class AppDatabase : RoomDatabase() {
@@ -258,6 +258,16 @@ abstract class AppDatabase : RoomDatabase() {
             }
         }
 
+        // v10: added ArticleEntity.readAt (epoch millis, null while unread). Plain nullable
+        // ADD COLUMN is safe here the way v2/v3's were -- no column is being removed or
+        // renamed, so there's nothing for Room's exact-match post-migration validation to
+        // trip on (see v4's comment above for what DOES require a full rebuild).
+        private val MIGRATION_9_10 = object : Migration(9, 10) {
+            override fun migrate(db: SupportSQLiteDatabase) {
+                db.execSQL("ALTER TABLE articles ADD COLUMN readAt INTEGER")
+            }
+        }
+
         fun get(context: Context): AppDatabase = instance ?: synchronized(this) {
             instance ?: Room.databaseBuilder(
                 context.applicationContext,
@@ -265,7 +275,7 @@ abstract class AppDatabase : RoomDatabase() {
                 "feedreader.db"
             ).addMigrations(
                 MIGRATION_1_2, MIGRATION_2_3, MIGRATION_3_4, MIGRATION_4_5,
-                MIGRATION_5_6, MIGRATION_6_7, MIGRATION_7_8, MIGRATION_8_9
+                MIGRATION_5_6, MIGRATION_6_7, MIGRATION_7_8, MIGRATION_8_9, MIGRATION_9_10
             ).build().also { instance = it }
         }
     }