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大家好,我有以下設置:iOS二進制數據列沒有出現在Sqlite數據庫中?
這是我的定義
@interface Item : NSManagedObject
@property (nonatomic, retain) NSNumber * cid;
@property (nonatomic, retain) NSData * image_data;
@property (nonatomic, retain) NSString * image_url;
@property (nonatomic, retain) NSNumber * order_id;
@property (nonatomic, retain) NSNumber * status;
@property (nonatomic, retain) NSString * title;
@property (nonatomic, retain) NSString * url;
然而,不知何故,我只看到我的sqlite3數據庫中的以下內容:
sqlite> .schema ZITEM
CREATE TABLE ZITEM (Z_PK INTEGER PRIMARY KEY, Z_ENT INTEGER, Z_OPT INTEGER, ZCID INTEGER, ZORDER_ID INTEGER, ZSTATUS INTEGER, ZIMAGE_URL VARCHAR, ZTITLE VARCHAR, ZURL VARCHAR);
任何人這裏知道爲什麼沒有ZIMAGE_DATA作爲這些列之一?
您是否啓用了外部存儲? – Bushbert 2013-02-17 02:51:10