E/SQLiteLog: (1) "CREATE TABLE FILES_TABLE 中的输入不完整

Question

我想创建 table 来选择文件、标题和日期。单击保存按钮后出现此错误。我程序中的错误是这样的：-

2022-03-22 12:09:06.679 7545-7545/com.example.ca E/SQLiteLog: (1) incomplete input in "CREATE TABLE FILES_TABLE(_id INTEGER PRIMARY KEY,title TEXT, date TEXT, filepath TEXT, filename TEXT"
2022-03-22 12:09:06.681 7545-7545/com.example.ca D/AndroidRuntime: Shutting down VM
2022-03-22 12:09:06.685 7545-7545/com.example.ca E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.example.ca, PID: 7545
    android.database.sqlite.SQLiteException: incomplete input (code 1 SQLITE_ERROR[1]): , while compiling: CREATE TABLE FILES_TABLE(_id INTEGER PRIMARY KEY,title TEXT, date TEXT, filepath TEXT, filename TEXT
        at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method)
        at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:1463)
        at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:901)
        at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:590)
        at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:62)
        at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:33)
        at android.database.sqlite.SQLiteDatabase.executeSql(SQLiteDatabase.java:2437)
        at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:2359)
        at com.example.ca.database.FilesDatabase.onCreate(FilesDatabase.kt:31)
        at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:482)
        at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:387)
        at com.example.ca.database.FilesDatabase.addAuditDatabase(FilesDatabase.kt:40)
        at com.example.ca.Datafunction.onCreate$lambda-1(Datafunction.kt:56)
        at com.example.ca.Datafunction.$r8$lambda$GgvsgvkXlLceSKUS2Jr-7Wv4XgM(Unknown Source:0)
        at com.example.ca.Datafunction$$ExternalSyntheticLambda0.onClick(Unknown Source:2)
        at android.view.View.performClick(View.java:8160)
        at android.widget.TextView.performClick(TextView.java:16222)
        at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1131)
        at android.view.View.performClickInternal(View.java:8137)
        at android.view.View.access00(View.java:888)
        at android.view.View$PerformClick.run(View.java:30236)
        at android.os.Handler.handleCallback(Handler.java:938)
        at android.os.Handler.dispatchMessage(Handler.java:99)
        at android.os.Looper.loop(Looper.java:246)
        at android.app.ActivityThread.main(ActivityThread.java:8653)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:602)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1130)
2022-03-22 12:09:06.724 7545-7545/com.example.ca I/Process: Sending signal. PID: 7545 SIG: 9

这是我的数据函数 activity 代码，我试图在其中使用 button.setonClickListner 标题、日期和文件路径进行保存：-

class Datafunction : AppCompatActivity() {

    private var cal = Calendar.getInstance()
    private var filepath: String? = null
    private var namedata: String? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_datafunction)

        val myFormat = "dd/MM/yyyy" // mention the format you need
        val sdf = SimpleDateFormat(myFormat, Locale.getDefault()) // A date format
        file_date.setText(sdf.format(cal.time)?.toString())

        btn_select_file.setOnClickListener {
            val intent = Intent(Intent.ACTION_GET_CONTENT)
            intent.setType("*/*")
            startActivityForResult(intent, 1)
        }

        save.setOnClickListener {
            when {
                file_title.text.isNullOrEmpty() -> {
                    Toast.makeText(this, "Please enter title", Toast.LENGTH_SHORT).show()
                }
                file_name.text.isNullOrEmpty() -> {
                    Toast.makeText(this, "Please add file.", Toast.LENGTH_SHORT)
                        .show()
                }
                else -> {
                    val filedata = FilesData(
                        0,
                        file_title.text.toString(),
                        file_date.text.toString(),
                        filepath!!,
                        namedata!!
                    )

                    val filedbhandler = FilesDatabase(this, "Files_Database")
                    val addfiledata = filedbhandler.addFilesdatabase(filedata)
                    if (addfiledata > 0){
                        Toast.makeText(this, "Details saved successfully", Toast.LENGTH_SHORT).show()
                        finish()
                    }
                    }
                }
            }

        }

    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
        super.onActivityResult(requestCode, resultCode, data)

        if (requestCode == 1) {
            if (resultCode == RESULT_OK) {
                val imagedata = data?.data
                val name = imagedata.toString()
                namedata = name.substringAfterLast("/")
                filepath = imagedata!!.path
                file_name.text = filepath
                file_name.visibility = View.VISIBLE
            }
        }
    }
}

这是我的模型class代码：-

data class FilesData(
    val id: Int,
    val title: String,
    val date: String,
    val filepath: String,
    val fileName: String
) : Serializable

这是我的数据库处理程序代码：-

class FilesDatabase(context: Context, SQLname: String) :
    SQLiteOpenHelper(context, SQLname, null, DATABASE_VERSION) {

    companion object{
        private const val DATABASE_VERSION = 2
        private const val TABLE_FILES_DATABASE ="FILES_TABLE"

        private const val KEY_ID = "_id"
        private const val KEY_TITLE = "title"
        private const val KEY_DATE = "date"
        private const val KEY_FILE_PATH = "filepath"
        private const val KEY_FILE_NAME = "filename"
    }


    override fun onCreate(db: SQLiteDatabase?) {
        val CREATE_TABLE = ( "CREATE TABLE " + TABLE_FILES_DATABASE + "("
                + KEY_ID + " INTEGER PRIMARY KEY,"
                + KEY_TITLE + " TEXT, "
                + KEY_DATE + " TEXT, "
                + KEY_FILE_PATH + " TEXT, "
                + KEY_FILE_NAME + " TEXT")
        db?.execSQL(CREATE_TABLE)
    }

    override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
        db!!.execSQL("DROP TABLE IF EXISTS $TABLE_FILES_DATABASE")
        onCreate(db)
    }

    fun addFilesdatabase(filesdata: FilesData): Long {
        val db = this.writableDatabase

        val contentValues = ContentValues()
        contentValues.put(KEY_TITLE, filesdata.title)
        contentValues.put(KEY_DATE, filesdata.date)
        contentValues.put(KEY_FILE_PATH, filesdata.filepath)
        contentValues.put(KEY_FILE_NAME, filesdata.fileName)

        // Inserting Row
        val result = db.insert(TABLE_FILES_DATABASE, null, contentValues)
        //2nd argument is String containing nullColumnHack

        db.close() // Closing database connection
        return result
    }
}

我找不到这段代码中的错误。我找不到错误。有人可以帮我吗？

Answer 1

您似乎忘记了 CREATE 末尾的 ')' TABLE:

override fun onCreate(db: SQLiteDatabase?) {
        val CREATE_TABLE = ( "CREATE TABLE " + TABLE_FILES_DATABASE + "("
                + KEY_ID + " INTEGER PRIMARY KEY,"
                + KEY_TITLE + " TEXT, "
                + KEY_DATE + " TEXT, "
                + KEY_FILE_PATH + " TEXT, "
                + KEY_FILE_NAME + " TEXT);")
        db?.execSQL(CREATE_TABLE)
    }

E/SQLiteLog: (1) "CREATE TABLE FILES_TABLE 中的输入不完整

E/SQLiteLog: (1) incomplete input in "CREATE TABLE FILES_TABLE

sqlite

android

sqliteopenhelper

kotlin

android-sqlite