Hazırlanan Bildirimi SQL İstisna "Hayır Giriş Parametreleri"

Question

yüzden bir DB'den veri almak için çalışıyorum. Belki de çok fazla baktım ama sorunu bulamıyorum.

Bağlantı Tablosu gayet, gayet (statik verilerle çalışır) ve Item nesneden veri doğrudur. Beni anlatıyor

deyimi için bir giriş parametreleri vardır. Özel durum, getSelectPrepareStatement() yönteminde atılıyor. kodudur:

public Result[] getItemsFromInput(Item item) throws SQLException { 
    PreparedStatement statement; 
    ArrayList<Result> results = new ArrayList<Result>(); 
    String query = "SELECT Code1, Name, A.Code2 " + 
        "FROM ItemTable A " + 
        "INNER JOIN CategoryTable B " + 
        "ON A.CatCode = B.CatCode" + 
        "AND B.ID LIKE '?'"; 
    statement = getSelectPrepareStatement(query, item.getTail().getId()+"%"); 

    ... 

    rs = queryForResultSet(statement); 

    while(rs.next()) { 
     results.add(new Result(
       rs.getString("ItemName"), 
       rs.getInt("ItemCode"), 
       rs.getString("ClassCode"))); 
    } 

    return results.toArray(new Result[results.size()]); 
} 

burada ayarlanan Değerleri ile PreparedStatement alınıyor: Ben parametresine sahip olmak deyimi ayarlamak rağmen

private PreparedStatement getSelectPrepareStatement(String SQL, String data) throws SQLException { 
    PreparedStatement pStmt = conn.prepareStatement(SQL); 
    pStmt.setString(1, data); 

    return pStmt; 
} 

eexception pStmt.setString(1, data); çağrısı atılıyor.

hatadır:

java.sql.SQLException: No input parameters. 
     at org.apache.derby.impl.jdbc.SQLExceptionFactory40.getSQLException(Unknown Source) 
     at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source) 
     at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source) 
     at org.apache.derby.impl.jdbc.EmbedResultSet.noStateChangeException(Unknown Source) 
     at org.apache.derby.impl.jdbc.EmbedPreparedStatement.setString(Unknown Source) 
     at connection.Communicator.getSelectPrepareStatement(Communicator.java:306) 
     at connection.Communicator.getItemsFromInput(Communicator.java:56) 
     at frame.PromotionsDialog$1.propertyChange(PromotionsDialog.java:126) 
     at java.beans.PropertyChangeSupport.fire(PropertyChangeSupport.java:335) 
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:328) 
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:263) 
     at java.beans.PropertyChangeSupport.firePropertyChange(PropertyChangeSupport.java:303) 
     at java.awt.Component.firePropertyChange(Component.java:8402) 
     at javax.swing.JComponent.firePropertyChange(JComponent.java:4494) 
     at frame.DataPanel$1.actionPerformed(DataPanel.java:130) 
     at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2018) 
     at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2341) 
     at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) 
     at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) 
     at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) 
     at java.awt.Component.processMouseEvent(Component.java:6505) 
     at javax.swing.JComponent.processMouseEvent(JComponent.java:3321) 
     at java.awt.Component.processEvent(Component.java:6270) 
     at java.awt.Container.processEvent(Container.java:2229) 
     at java.awt.Component.dispatchEventImpl(Component.java:4861) 
     at java.awt.Container.dispatchEventImpl(Container.java:2287) 
     at java.awt.Component.dispatchEvent(Component.java:4687) 
     at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832) 
     at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4492) 
     at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422) 
     at java.awt.Container.dispatchEventImpl(Container.java:2273) 
     at java.awt.Window.dispatchEventImpl(Window.java:2719) 
     at java.awt.Component.dispatchEvent(Component.java:4687) 
     at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:729) 
     at java.awt.EventQueue.access$200(EventQueue.java:103) 
     at java.awt.EventQueue$3.run(EventQueue.java:688) 
     at java.awt.EventQueue$3.run(EventQueue.java:686) 
     at java.security.AccessController.doPrivileged(Native Method) 
     at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
     at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87) 
     at java.awt.EventQueue$4.run(EventQueue.java:702) 
     at java.awt.EventQueue$4.run(EventQueue.java:700) 
     at java.security.AccessController.doPrivileged(Native Method) 
     at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76) 
     at java.awt.EventQueue.dispatchEvent(EventQueue.java:699) 
     at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242) 
     at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161) 
     at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150) 
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146) 
     at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138) 
     at java.awt.EventDispatchThread.run(EventDispatchThread.java:91) 
    Caused by: java.sql.SQLException: No input parameters. 
     at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source) 
     at org.apache.derby.impl.jdbc.SQLExceptionFactory40.wrapArgsForTransportAcrossDRDA(Unknown Source) 
     ... 51 more 
    Caused by: ERROR 07009: No input parameters. 
     at org.apache.derby.iapi.error.StandardException.newException(Unknown Source) 
     at org.apache.derby.impl.sql.GenericParameterValueSet.checkPosition(Unknown Source) 
     at org.apache.derby.impl.sql.GenericParameterValueSet.getParameterForSet(Unknown Source) 
     ... 47 more 

Answer 1

Bu SQL, sorundur. o tırnak çünkü o, ? bir değer belirterek oluyor - bir parametre ekleyerek değil

AND B.ID LIKE '?' 

. Temel olarak, B.ID'un tek bir soru işareti olduğu bir satır bulmak istediğinizi söylüyorsunuz.

Sen istiyorum:

AND B.ID LIKE ? 

Böylece hiç gerçekten bir parametre belirterek ediyoruz.

Answer 2

bağlama parametresine yerindeki tek tırnak işaretlerini kaldırmayı deneyin. PreparedStatement sizin için ne yapar.

String query = "SELECT Code1, Name, A.Code2 " + 
       "FROM ItemTable A " + 
       "INNER JOIN CategoryTable B " + 
       "ON A.CatCode = B.CatCode" + 
       "AND B.ID LIKE ?"; 

Answer 3

?

için tek tırnak gerek yok deneyin

String query = "SELECT Code1, Name, A.Code2 " + 
        "FROM ItemTable A " + 
        "INNER JOIN CategoryTable B " + 
        "ON A.CatCode = B.CatCode" + 
        "AND B.ID LIKE ?%"; 
    statement = getSelectPrepareStatement(query, item.getTail().getId()+"");