相关疑难解决方法(0)

我有一个sqlite数据库结构如下:

CREATE TABLE IF NOT EXISTS Patient 
( PatientId INTEGER PRIMARY KEY AUTOINCREMENT );

CREATE TABLE IF NOT EXISTS Event 
( 
PatientId INTEGER REFERENCES Patient( PatientId ),
DateTime TEXT,
EventTypeCode TEXT,
PRIMARY KEY( PatientId, DateTime, EventTypeCode )
);

CREATE TABLE IF NOT EXISTS Reading 
( 
PatientId INTEGER REFERENCES Patient( PatientId ),
DateTime TEXT REFERENCES Event (DateTime),
EventTypeCode TEXT REFERENCES Event (EventTypeCode),
Value REAL,
PRIMARY KEY( PatientId, DateTime, EventTypeCode )
);

我插入患有Id#1的患者

然后我跑:

INSERT INTO Event (PatientId, DateTime, EventTypeCode) VALUES (1, …