android中清空一个表---类似truncate table 表名 这样的功能 android sqlite 清空数据库的某个表

public void clearFeedTable(){

String sql = "DELETE FROM " + FEED_TABLE_NAME +";";

SQLiteDatabase db = dbHelper.getSQLiteDatabase();

db.execSQL(sql);

revertSeq();

dbHelper.free();

}

private void revertSeq() {

String sql = "update sqlite_sequence set seq=0 where name=‘"+FEED_TABLE_NAME+"‘";

SQLiteDatabase db = dbHelper.getSQLiteDatabase();

db.execSQL(sql);

dbHelper.free();

}