Question

这是我的错误编码我创建了一个名为'details'的表，以下是该表的数据库代码，insert方法为'insertDescription'

public void insertDescription(int rid, String name, String phoneno, String email, String subject, String desc){
    ContentValues cv = new ContentValues();
    cv.put("_rid", rid);
    cv.put("name", name);
    cv.put("phoneno", phoneno);
    cv.put("email", email);
    cv.put("subject", subject);
    cv.put("desc", desc);
    Log.d("DB", "Record is here!");
    sdb.insert("details", null, cv);
}
@Override
public void onCreate(SQLiteDatabase arg0) {
arg0.execSQL("CREATE TABLE users ( _uid INTEGER PRIMARY KEY, name TEXT, mail TEXT, password TEXT, hint TEXT);");
arg0.execSQL("CREATE TABLE details (_rid INTEGER PRIMARY KEY, name TEXT, " +
            "phoneno VARCHAR(10) CONSTRAINT phone CHECK(phoneno LIKE '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]')," +
" email TEXT, subject TEXT, desc TEXT);");
}

使用上面的代码我将通过以下java代码将值插入数据库

String rnos = rno.getText().toString();
int rnoz = Integer.parseInt(rnos);
String names = name.getText().toString();
String mobiles = mobile.getText().toString();
String emailids = emailid.getText().toString();
String subjects = subject.getText().toString();
String descs = desc.getText().toString();
String dates = date.getText().toString();
if(rnos.isEmpty() || names.isEmpty() || mobiles.isEmpty()
    || emailids.isEmpty() || subjects.isEmpty()|| descs.isEmpty() || dates.isEmpty()){
    Toast.makeText(getApplicationContext(), "All Fields are Mandatory", Toast.LENGTH_LONG).show();
    }else{
        mdb.openDB();
        mdb.insertDescription(rnoz, names, mobiles, emailids, subjects, descs);
        Toast.makeText(getApplicationContext(), "Record Saved Successfully!", Toast.LENGTH_LONG).show();
        }
        mdb.closeDB();

发生以下错误。我不知道我刚刚从我的朋友那里得到了这个查询约束查询的SQL查询。无论如何，表成功创建我在程序执行后看到了表结构。以下是我的错误日志

07-30 22:06:23.215: E/SQLiteDatabase(876): Error inserting desc=uuuu email=uuuu subject=uuuu phoneno=99808 name=uuuu _rid=1234
07-30 22:06:23.215: E/SQLiteDatabase(876): android.database.sqlite.SQLiteConstraintException: constraint failed (code 19)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteConnection.nativeExecuteForLastInsertedRowId(Native Method)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteConnection.executeForLastInsertedRowId(SQLiteConnection.java:775)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteSession.executeForLastInsertedRowId(SQLiteSession.java:788)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteStatement.executeInsert(SQLiteStatement.java:86)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1469)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1339)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at in.blogspot.pcnlap.sha_college_guide.MyDataBase.insertDescription(MyDataBase.java:47)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at in.blogspot.pcnlap.sha_college_guide.DescriptionPage.onClick(DescriptionPage.java:51)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at java.lang.reflect.Method.invokeNative(Native Method)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at java.lang.reflect.Method.invoke(Method.java:511)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.view.View$1.onClick(View.java:3593)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.view.View.performClick(View.java:4091)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.view.View$PerformClick.run(View.java:17072)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.os.Handler.handleCallback(Handler.java:615)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.os.Handler.dispatchMessage(Handler.java:92)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.os.Looper.loop(Looper.java:153)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at android.app.ActivityThread.main(ActivityThread.java:5086)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at java.lang.reflect.Method.invokeNative(Native Method)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at java.lang.reflect.Method.invoke(Method.java:511)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:821)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
07-30 22:06:23.215: E/SQLiteDatabase(876):  at dalvik.system.NativeStart.main(Native Method)

我希望错误发生是由于我在查询中给出的约束语句。在Java'insertDescription（）'的插入方法中，我试图将所有内容保存为String。如果有任何更好的查询或替代品可用，建议我给我完整的项目zip不完整（我在查询的中间位置）skydrive

Answer 1

您遇到phoneno VARCHAR(10) CONSTRAINT phone CHECK(phoneno LIKE '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]')

的问题

以下代码

arg0.execSQL("CREATE TABLE details (_rid INTEGER PRIMARY KEY, name TEXT, " +
            "phoneno VARCHAR(10) CONSTRAINT phone CHECK(phoneno LIKE '[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]')," +
" email TEXT, subject TEXT, desc TEXT);");

Answer 2

LIKE不支持字符类。您收到错误的原因是您的电话号码的第一个字符不是[，或者第二个字符不是0，或者第三个字符不是-等。

将LIKE替换为GLOB。

Android SQLite约束错误

2 个答案: