【问题标题】:handeling querying an item with a single quote in it处理查询带有单引号的项目
【发布时间】:2012-01-05 17:35:23
【问题描述】:

每当我尝试查询包含引号的短语时都会收到错误消息,例如John's day。我该如何处理?

这是我的查询

Cursor c = db.query(EVENTS_TABLE, new String[] {ID,EVENT,DATE,REAL_START_TIME,REAL_END_TIME}
    ,EVENT + "='" +name+"'",null,null,null,null);

名字是John's day

Logcat

01-05 12:25:17.551: E/AndroidRuntime(17085): android.database.sqlite.SQLiteException: near "s": syntax error: , while compiling: SELECT _id, event, date, rstime, retime FROM Events_Table WHERE event='Martin Luther King, Jr's Day'
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteCompiledSql.native_compile(Native Method)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteCompiledSql.<init>(SQLiteCompiledSql.java:64)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteProgram.compileSql(SQLiteProgram.java:143)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteProgram.compileAndbindAllArgs(SQLiteProgram.java:361)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:127)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteProgram.<init>(SQLiteProgram.java:94)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteQuery.<init>(SQLiteQuery.java:53)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:47)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1564)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1449)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1405)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1485)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at com.app.notifyme.CalendarDB.getId(CalendarDB.java:243)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at com.app.notifyme.Calendar.getRow(Calendar.java:378)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at com.app.notifyme.Calendar$3.onItemLongClick(Calendar.java:85)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.widget.AbsListView.performLongPress(AbsListView.java:2580)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.widget.AbsListView$CheckForLongPress.run(AbsListView.java:2530)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.os.Handler.handleCallback(Handler.java:605)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.os.Handler.dispatchMessage(Handler.java:92)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.os.Looper.loop(Looper.java:137)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at android.app.ActivityThread.main(ActivityThread.java:4340)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at java.lang.reflect.Method.invokeNative(Native Method)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at java.lang.reflect.Method.invoke(Method.java:511)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-05 12:25:17.551: E/AndroidRuntime(17085):    at dalvik.system.NativeStart.main(Native Method)

【问题讨论】:

标签: android sqlite


【解决方案1】:

来自http://orafaq.com/faq/

每显示一个就使用两个引号。例子:

SELECT 'Frank''s Oracle site' AS text FROM DUAL;

文字: Franks 的 Oracle 网站

还有:Android quotes within an sql query string

【讨论】:

  • 所以基本上我必须复制字符串,找到引号所在的位置,然后将字符串复制到另一个字符串,同时添加另一个引号?
  • 好吧,这取决于您想要哪种解决方案,如果 '' 有效,您可以替换字符串上的字符
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