Question

我正在尝试使用kotlin中的override fun onCreate(db: SQLiteDatabase?) { db!!.createTable(PersonTable.Name, true, Pair(PersonTable.ID, INTEGER + PRIMARY_KEY + AUTOINCREMENT), Pair(PersonTable.PersonName, TEXT), Pair(PersonTable.Domain, TEXT), Pair(PersonTable.MobileNumber, REAL)) }库创建表格，如下所示

AUTOINCREMENT

我在向ID添加AUTOINCREMENT时遇到错误。它没有AUTOINCREMENT。使用anko库将任何属性设置为E/AndroidRuntime: FATAL EXCEPTION: main Process: com.williamsro.fourthdemo, PID: 4799 java.lang.RuntimeException: Unable to start activity ComponentInfo{com.williamsro.fourthdemo/com.williamsro.fourthdemo.MainActivity}: android.database.sqlite.SQLiteException: near "org": syntax error (code 1): , while compiling: CREATE TABLE IF NOT EXISTS `Person`(id INTEGER PRIMARY KEY org.jetbrains.anko.db.SqlTypeModifierImpl@7d0b905, person_name TEXT, domain TEXT, mobile_number REAL); at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2646) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6077) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755) Caused by: android.database.sqlite.SQLiteException: near "org": syntax error (code 1): , while compiling: CREATE TABLE IF NOT EXISTS `Person`(id INTEGER PRIMARY KEY org.jetbrains.anko.db.SqlTypeModifierImpl@7d0b905, person_name TEXT, domain TEXT, mobile_number REAL); at android.database.sqlite.SQLiteConnection.nativePrepareStatement(Native Method) at android.database.sqlite.SQLiteConnection.acquirePreparedStatement(SQLiteConnection.java:889) at android.database.sqlite.SQLiteConnection.prepare(SQLiteConnection.java:500) at android.database.sqlite.SQLiteSession.prepare(SQLiteSession.java:588) at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:58) at android.database.sqlite.SQLiteStatement.<init>(SQLiteStatement.java:31) at android.database.sqlite.SQLiteDatabase.executeSql(SQLiteDatabase.java:1675) at android.database.sqlite.SQLiteDatabase.execSQL(SQLiteDatabase.java:1606) at org.jetbrains.anko.db.DatabaseKt.createTable(Database.kt:80) at com.williamsro.fourthdemo.AppDbHelpler.onCreate(AppDbHelpler.kt:17) at android.database.sqlite.SQLiteOpenHelper.getDatabaseLocked(SQLiteOpenHelper.java:251) at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:163) at org.jetbrains.anko.db.ManagedSQLiteOpenHelper.openDatabase(Database.kt:166) at org.jetbrains.anko.db.ManagedSQLiteOpenHelper.use(Database.kt:157) at com.williamsro.fourthdemo.MainActivity.insertPerson(MainActivity.kt:44) at com.williamsro.fourthdemo.MainActivity.onCreate(MainActivity.kt:72) at android.app.Activity.performCreate(Activity.java:6664) at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1118) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2599) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2707) at android.app.ActivityThread.-wrap12(ActivityThread.java) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1460) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:154) at android.app.ActivityThread.main(ActivityThread.java:6077) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:865) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)的方法是什么。

c:\somefolder\someotherfolder\somefile.eml

Answer 1

您似乎正在使用过时的Anko版本。对于版本 0.10 ，修复了连接修饰符的问题，并再次使用版本 0.10.1 还原。

在代码的相关部分为"$modifier $m"之前，其中$m是修饰符的字符串表示形式。由于它没有定义toString()方法，因此使用了实例的Java表示。

修复代码为"$modifiers ${m.modifier}"。这里${m.modifier}实际上是一个字符串。

如果最新修补程序与您无关，请使用版本 0.10 。

Answer 2

我遇到了同样的问题并找到了解决方法。我能够使用SqlType.create函数对SQL语句的那部分进行硬编码。

override fun onCreate(db: SQLiteDatabase) {
    db.createTable(CrimeTable.TABLE_NAME, true,
            CrimeTable.ID to SqlType.create("INTEGER PRIMARY KEY AUTOINCREMENT"),
            CrimeTable.UUID to TEXT,
            CrimeTable.TITLE to TEXT,
            CrimeTable.DATE to INTEGER,
            CrimeTable.IS_SOLVED to TEXT
    )
}

我在数据库浏览器中检查了生成的SQL，它运行正常。从那以后我再也没有犯过这个错误。

CREATE TABLE `crimes`(_id INTEGER PRIMARY KEY AUTOINCREMENT, uuid TEXT, title TEXT, date INTEGER, isSolved TEXT)

引起：android.database.sqlite.SQLiteException：near＆＃34; org＆＃34 ;:语法错误（代码1）:,同时编译：

2 个答案: