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我一直有問題在FTS3表和普通數據庫表之間切換。我的應用程序非常簡單,允許用戶將聯繫人添加到數據庫,並且可以搜索與搜索查詢相匹配的聯繫人(爲什麼我使用了fts表),然後使用onItemclicklistener將結果顯示在列表中。但是當我點擊該項目時,出現錯誤。我把這個錯誤追溯到數據庫(如果我使用正常的數據庫,它會工作,但如果我使用FTS,它不會)。所以我決定使用這兩種類型的數據庫,並想知道如果有人能告訴我如何創建一個觸發器來同步數據庫。如何在普通表和fts3表之間創建觸發器?
我的第一個數據庫是CONTACT(數據庫名稱),該表格被稱爲CONTACTS。第二個數據庫表是CONTACTS_FTS。我正在搜索的所有內容都是「COL_NAME」,所以我需要在我的CONTACTS_FTS表中填寫所有內容?我想知道是否有人可以檢查我的觸發器是否有效?
public static final String DATABASE_NAME = "CONTACT";
public static final String DATABASE_TABLE = "CONTACTS";
private static final String DATABASE_TABLE_FTS = "CONTACTS_FTS";
private static final int DATABASE_VERSION = 20;
private Context ourContext;
private DbHelper DBHelper;
private static SQLiteDatabase db;
private static final String DATABASE_CREATE =
"CREATE TABLE " + DATABASE_TABLE + " (" +
COL_ID + " INTEGER PRIMARY KEY AUTOINCREMENT, " +
COL_NAME + " TEXT NOT NULL, " +
COL_EMAIL + " TEXT NOT NULL, " +
COL_CELL + " TEXT NOT NULL, " +
COL_ARRIVAL + " TEXT NOT NULL, " +
COL_DEPARTURE + " TEXT NOT NULL, " +
COL_FLIGHT_NUMBER + " TEXT NOT NULL, " +
COL_HOTEL_ROOM_NUMBER + " TEXT NOT NULL, " +
COL_EVENT1 + " TEXT NOT NULL, " +
COL_EVENT2 + " TEXT NOT NULL, " +
COL_EVENT1_ROOM + " TEXT NOT NULL, " +
COL_EVENT2_ROOM + " TEXT NOT NULL);";
private static final String DATABASE_CREATE_FTS =
"CREATE VIRTUAL TABLE " + DATABASE_TABLE_FTS + " USING fts3(" +
"content=" + "\"CONTACTS\", " +
COL_NAME + ");";
private static final String Trigger =
"CREATE TRIGGER contacts_Trigger " +
"AFTER INSERT "+ "ON " + DATABASE_TABLE +
" BEGIN " +
"INSERT " + DATABASE_TABLE_FTS + " SET " + COL_NAME + " = new.COL_NAME WHERE " + COL_ID + " = old.COL_ID;" +
" END;";
您找到答案? – Lion789 2014-02-20 00:23:05