Android Sugar ORM从数据库中选择子列表

Question

我正在使用Sugar ORM，它实际上是一个用于SQL数据库操作的库。我的数据库有超过4000条记录，我想从中检索500条记录，比如第501至第1000条记录。

提取500条记录如下：

db_record_listing = Records.findWithQuery(Records.class, "Select * FROM Records ORDER BY recordId ASC WHERE qref_canton BETWEEN '" + s_start + "' AND '" + s_end + "'");

但是，错误logcat如下：

logcat的：

11-25 23:29:35.639: E/AndroidRuntime(28801): Caused by: android.database.sqlite.SQLiteException: near "WHERE": syntax error (code 1): , while compiling: Select * FROM Records ORDER BY recordId ASC WHERE qref_canton BETWEEN '1' AND '500'
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:887)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:498)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteQuery.<init>(SQLiteQuery.java:37)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:44)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1316)
11-25 23:29:35.639: E/AndroidRuntime(28801):    at android.database.sqlite.SQLiteDatabase.rawQuery(SQLiteDatabase.java:1255)

问题：

1. 上面有什么问题？我发现如果我删除ORDER BY代码可以正常运行（尽管它很慢）。
2. 系统是否仍会运行所有记录，只选择范围内recordId的那些记录，从而非常慢？如果是的话，是否会有一种更快的方法，系统只会检索那500条记录，而不是更多？

Answer 1

Select * FROM Records WHERE qref_canton BETWEEN '1' AND '500' ORDER BY recordId ASC