Unify set SQLite PRAGMAs.

sqlite/CMakeLists.txt

@@ -33,6 +33,9 @@ endif()
 
 target_compile_definitions(tdsqlite PRIVATE
   -DSQLITE_DEFAULT_MEMSTATUS=0
+  -DSQLITE_DEFAULT_SYNCHRONOUS=1
+  -DSQLITE_DEFAULT_RECURSIVE_TRIGGERS=1
+  -DSQLITE_TEMP_STORE=2
   -DSQLITE_OMIT_LOAD_EXTENSION
   -DSQLITE_OMIT_DECLTYPE
   -DSQLITE_OMIT_PROGRESS_CALLBACK

td/telegram/LanguagePackManager.cpp

@@ -125,9 +125,6 @@ bool LanguagePackManager::is_custom_language_code(Slice language_code) {
 
 static Result<SqliteDb> open_database(const string &path) {
   TRY_RESULT(database, SqliteDb::open_with_key(path, true, DbKey::empty()));
-  TRY_STATUS(database.exec("PRAGMA synchronous=NORMAL"));
-  TRY_STATUS(database.exec("PRAGMA temp_store=MEMORY"));
-  TRY_STATUS(database.exec("PRAGMA encoding=\"UTF-8\""));
   TRY_STATUS(database.exec("PRAGMA journal_mode=WAL"));
   return std::move(database);
 }

td/telegram/TdDb.cpp

@@ -142,17 +142,6 @@ Status init_binlog(Binlog &binlog, string path, BinlogKeyValue<Binlog> &binlog_p
   return Status::OK();
 }
 
-Status init_db(SqliteDb &db) {
-  TRY_STATUS(db.exec("PRAGMA encoding=\"UTF-8\""));
-  TRY_STATUS(db.exec("PRAGMA journal_mode=WAL"));
-
-  TRY_STATUS(db.exec("PRAGMA synchronous=NORMAL"));
-  TRY_STATUS(db.exec("PRAGMA temp_store=MEMORY"));
-  TRY_STATUS(db.exec("PRAGMA secure_delete=1"));
-
-  return Status::OK();
-}
-
 }  // namespace
 
 std::shared_ptr<FileDbInterface> TdDb::get_file_db_shared() {
@@ -310,8 +299,8 @@ Status TdDb::init_sqlite(int32 scheduler_id, const TdParameters &parameters, DbK
   sql_connection_ = std::make_shared<SqliteConnectionSafe>(sql_database_path, key, db_instance.get_cipher_version());
   sql_connection_->set(std::move(db_instance));
   auto &db = sql_connection_->get();
-
-  TRY_STATUS(init_db(db));
+  TRY_STATUS(db.exec("PRAGMA journal_mode=WAL"));
+  TRY_STATUS(db.exec("PRAGMA secure_delete=1"));
 
   // Init databases
   // Do initialization once and before everything else to avoid "database is locked" error.

tddb/td/db/SqliteConnectionSafe.cpp

@@ -21,10 +21,8 @@ SqliteConnectionSafe::SqliteConnectionSafe(string path, DbKey key, optional<int3
         LOG(FATAL) << "Can't open database: " << r_db.error().message();
       }
       auto db = r_db.move_as_ok();
-      db.exec("PRAGMA synchronous=NORMAL").ensure();
-      db.exec("PRAGMA temp_store=MEMORY").ensure();
+      db.exec("PRAGMA journal_mode=WAL").ensure();
       db.exec("PRAGMA secure_delete=1").ensure();
-      db.exec("PRAGMA recursive_triggers=1").ensure();
       return db;
     }) {
 }