Question

我正在编写一个android应用程序，进行一些sqllite处理。这是我的表创建语句。

    TABLE_CREATE_REVOKED_TOKENS = "CREATE TABLE IF NOT EXISTS " + TABLE_REVOKED_TOKENS + " (";
    TABLE_CREATE_REVOKED_TOKENS += "resource varchar(20) NOT NULL,";
    TABLE_CREATE_REVOKED_TOKENS += "base int(11) NOT NULL,";
    TABLE_CREATE_REVOKED_TOKENS += "delta int(11) NOT NULL,";
    TABLE_CREATE_REVOKED_TOKENS += "data blob NOT NULL,";
    TABLE_CREATE_REVOKED_TOKENS += "PRIMARY KEY (resource, base, delta));";

表格中有以下数据。

resource    base delta  data
"Safe 1"    "1"  "0"    "�<]FSb>�/���Z���d�J�"����E�"
"Safe 1"    "1"  "1"    "�������.���V�����X ��wE���"

当我尝试在表格中插入新行时。我得到以下异常。

Error inserting data=[B@41a99f98 base=1 resource=Safe 1 delta=2
android.database.sqlite.SQLiteConstraintException: columns resource, base, delta, data are not unique (code 19)

这是插入语句的代码。

private int insertNewRevocationList(RevocationList rl) {
    String TABLE = TABLE_REVOKED_TOKENS;
    ContentValues initialValues = new ContentValues();
    initialValues.put("resource", new String(rl.getResource()));
    initialValues.put("base", rl.getBase());
    initialValues.put("delta", rl.getDelta());
    initialValues.put("data", rl.getData());

    Log.d(TAG, "create new entry for:");
    Log.d(TAG, "resource: " + new String(rl.getResource()) + "\tbase: " + rl.getBase() + "\tdelta: " + rl.getDelta());
    return (int) getDb().insert(TABLE, null, initialValues);
}

SQLite约束异常

0 个答案: