private static void TestCsharpSqlite() { SQLiteDatabase db; SQLiteVdbe stmt; SQLiteVdbe c1, c2; bool found; int i; string databaseName = "Benchmark_cs-SQLite.sqlite"; if (File.Exists(databaseName)) { File.Delete(databaseName); } db = new SQLiteDatabase(databaseName); for (i = 0; i < PRAGMA_Commands.Length; i++) { db.ExecuteNonQuery(PRAGMA_Commands[i]); } db.ExecuteNonQuery("BEGIN EXCLUSIVE"); for (i = 0; i < CREATE_Commands.Length; i++) { db.ExecuteNonQuery(CREATE_Commands[i]); } stmt = new SQLiteVdbe(db, INSERT_Command); long start = DateTime.Now.Ticks; long key = 1999; for (i = 0; i < nRecords; i++) { key = (3141592621L * key + 2718281829L) % 1000000007L; stmt.Reset(); stmt.BindLong(1, key); stmt.BindText(2, key.ToString()); stmt.ExecuteStep(); } stmt.Close(); db.ExecuteNonQuery("END"); timer[1, 0] = DateTime.Now.Ticks - start; db.ExecuteNonQuery("BEGIN EXCLUSIVE"); start = DateTime.Now.Ticks; c1 = new SQLiteVdbe(db, SELECT_Bind_i); c2 = new SQLiteVdbe(db, SELECT_Bind_s); key = 1999; for (i = 0; i < nRecords; i++) { key = (3141592621L * key + 2718281829L) % 1000000007L; c1.Reset(); c1.BindLong(1, key); c1.ExecuteStep(); c2.Reset(); c2.BindText(1, key.ToString()); c2.ExecuteStep(); long id = (long)c1.Result_Long(0); Debug.Assert(id == (long)c2.Result_Long(0)); } c1.Close(); c2.Close(); db.ExecuteNonQuery("END"); timer[1, 1] = DateTime.Now.Ticks - start; db.ExecuteNonQuery("BEGIN EXCLUSIVE"); start = DateTime.Now.Ticks; key = Int64.MinValue; i = 0; c1 = new SQLiteVdbe(db, SELECT_Command_i); while (c1.ExecuteStep() != Sqlite3.SQLITE_DONE) { long intKey = (long)c1.Result_Long(0); Debug.Assert(intKey >= key); key = intKey; i += 1; } c1.Close(); Debug.Assert(i == nRecords); String strKey = ""; i = 0; c2 = new SQLiteVdbe(db, SELECT_Command_s); while (c2.ExecuteStep() != Sqlite3.SQLITE_DONE) { string recStrKey = (string)c2.Result_Text(1); Debug.Assert(recStrKey.CompareTo(strKey) >= 0); strKey = recStrKey; i += 1; } c2.Close(); Debug.Assert(i == nRecords); timer[1, 2] = DateTime.Now.Ticks - start; db.ExecuteNonQuery("END"); db.ExecuteNonQuery("BEGIN EXCLUSIVE"); start = DateTime.Now.Ticks; key = 1999; stmt = new SQLiteVdbe(db, DELETE_Bind); for (i = 0; i < nRecords; i++) { key = (3141592621L * key + 2718281829L) % 1000000007L; stmt.Reset(); stmt.BindLong(1, key); stmt.ExecuteStep(); } stmt.Close(); db.ExecuteNonQuery("END"); timer[1, 3] = DateTime.Now.Ticks - start; db.CloseDatabase(); #if NET_35 Sqlite3.Shutdown(); #else Sqlite3.sqlite3_shutdown(); #endif }