优化

app/src/main/java/io/legado/app/data/AppDatabase.kt

@@ -28,6 +28,10 @@ val appDb by lazy {
         RssStar::class, TxtTocRule::class, ReadRecord::class, HttpTTS::class, Cache::class,
         RuleSub::class],
     autoMigrations = [
+        AutoMigration(from = 1, to = 10),
+        AutoMigration(from = 12, to = 13),
+        AutoMigration(from = 19, to = 21),
+        AutoMigration(from = 27, to = 29),
         AutoMigration(from = 33, to = 35),
     ]
 )
@@ -59,11 +63,13 @@ abstract class AppDatabase : RoomDatabase() {
             Room.databaseBuilder(context, AppDatabase::class.java, DATABASE_NAME)
                 .fallbackToDestructiveMigration()
                 .addMigrations(
-                    migration_10_11, migration_11_12, migration_12_13, migration_13_14,
-                    migration_14_15, migration_15_17, migration_17_18, migration_18_19,
-                    migration_19_20, migration_20_21, migration_21_22, migration_22_23,
-                    migration_23_24, migration_24_25, migration_25_26, migration_26_27,
-                    migration_27_28, migration_28_29, migration_29_30, migration_30_31,
+                    migration_10_11, migration_13_14,
+                    migration_14_15, migration_15_17,
+                    migration_17_18, migration_18_19,
+                    migration_21_22, migration_22_23,
+                    migration_23_24, migration_24_25,
+                    migration_25_26, migration_26_27,
+                    migration_29_30, migration_30_31,
                     migration_31_32, migration_32_33
                 )
                 .allowMainThreadQueries()
@@ -114,18 +120,6 @@ abstract class AppDatabase : RoomDatabase() {
             }
         }
 
-        private val migration_11_12 = object : Migration(11, 12) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE rssSources ADD style TEXT ")
-            }
-        }
-
-        private val migration_12_13 = object : Migration(12, 13) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE rssSources ADD articleStyle INTEGER NOT NULL DEFAULT 0 ")
-            }
-        }
-
         private val migration_13_14 = object : Migration(13, 14) {
             override fun migrate(database: SupportSQLiteDatabase) {
                 database.execSQL(
@@ -173,17 +167,6 @@ abstract class AppDatabase : RoomDatabase() {
                 database.execSQL("ALTER TABLE readRecordNew RENAME TO readRecord")
             }
         }
-        private val migration_19_20 = object : Migration(19, 20) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE book_sources ADD bookSourceComment TEXT")
-            }
-        }
-
-        private val migration_20_21 = object : Migration(20, 21) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE book_groups ADD show INTEGER NOT NULL DEFAULT 1")
-            }
-        }
 
         private val migration_21_22 = object : Migration(21, 22) {
             override fun migrate(database: SupportSQLiteDatabase) {
@@ -262,19 +245,6 @@ abstract class AppDatabase : RoomDatabase() {
             }
         }
 
-        private val migration_27_28 = object : Migration(27, 28) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE rssArticles ADD variable TEXT")
-                database.execSQL("ALTER TABLE rssStars ADD variable TEXT")
-            }
-        }
-
-        private val migration_28_29 = object : Migration(28, 29) {
-            override fun migrate(database: SupportSQLiteDatabase) {
-                database.execSQL("ALTER TABLE rssSources ADD sourceComment TEXT")
-            }
-        }
-
         private val migration_29_30 = object : Migration(29, 30) {
             override fun migrate(database: SupportSQLiteDatabase) {
                 database.execSQL("ALTER TABLE chapters ADD `startFragmentId` TEXT")