我在設備上出現此錯誤,但它在另一臺設備上正常工作。以下是錯誤:Android:SQLiteException:不是所有設備上都沒有錯誤
Caused by: android.database.sqlite.SQLiteException: not an error
at android.database.sqlite.SQLiteQuery.nativeFillWindow(Native Method)
at android.database.sqlite.SQLiteQuery.fillWindow(SQLiteQuery.java:86)
at android.database.sqlite.SQLiteCursor.fillWindow(SQLiteCursor.java:164)
at android.database.sqlite.SQLiteCursor.getCount(SQLiteCursor.java:156)
at com.Orange.MakeVisits.Themes.onCreate(Themes.java:162)
我執行查詢,並在該檢查如果光標是空行,我得到這個錯誤。這裏是我的代碼:
String stmtGetThemes = "SELECT * FROM pr_fields_descriptor a "
+ "inner join pr_fields_starring b on a.id_fields_descriptor = b.fields_descriptor_id "
+ "where b.starring_id = '"+pos_starring_id+"' and a.theme_id='"+themes_ids[m]+"' order by form_rank";
Cursor getThemesCursor1 = db.databaseQuery(stmtGetThemes);
if (getThemesCursor1!=null && getThemesCursor1.getCount()>0){
//----
}
和databasequery是這種方法(在擴展SQLiteOpenHelper
類的定義):
public Cursor databaseQuery(String stmt) {
Cursor cursor = db.rawQuery(stmt, null);
return cursor;
}
任何想法可能會導致這個錯誤?聲明不好?爲什麼它適用於其他設備? 歡迎任何想法。感謝advace。
如果'pos_starring_id'和'themes_ids [m]'是整數,則應該從查詢中移除它們周圍的引號(''')標記,以免它們被視爲字符串。 – Barak