bonsoir,

je tente d'inserer un enregistrement dans ma table patient qui est comme ceci:

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create table patient (ref INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1,INCREMENT BY 1), nomp varchar(20), prenomp varchar(20), adresse varchar(50), Cp varchar(5), ville varchar(20), telephone varchar(10), suivi_par varchar(20), type_diabete varchar(1), diagnostic varchar(80));
j'ai mit INTEGER NOT NULL GENERATED ALWAYS AS IDENTITY (START WITH 1,INCREMENT BY 1)pour que cela m'incrémente ref qui était ref varchar(10) primary key auparavant et donc n'incremente pas .

maintenant quand j'enregistre un enregistrement voici l'erreur que l'on m'affiche:
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java.sql.SQLSyntaxErrorException: Tentative de modification d'une colonne d'identité 'REF'. 
	at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
	at org.apache.derby.client.am.Connection.prepareStatement(Unknown Source)
	at ado.ADO.ajouterp(ADO.java:75)
	at modeles.Fenetre.actionPerformed(Fenetre.java:378)
	at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
	at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
	at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
	at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
	at java.awt.Component.processMouseEvent(Unknown Source)
	at javax.swing.JComponent.processMouseEvent(Unknown Source)
	at java.awt.Component.processEvent(Unknown Source)
	at java.awt.Container.processEvent(Unknown Source)
	at java.awt.Component.dispatchEventImpl(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
	at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
	at java.awt.Container.dispatchEventImpl(Unknown Source)
	at java.awt.Window.dispatchEventImpl(Unknown Source)
	at java.awt.Component.dispatchEvent(Unknown Source)
	at java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.awt.EventDispatchThread.run(Unknown Source)
Caused by: org.apache.derby.client.am.SqlException: Tentative de modification d'une colonne d'identité 'REF'. 
	at org.apache.derby.client.am.Statement.completeSqlca(Unknown Source)
	at org.apache.derby.client.net.NetStatementReply.parsePrepareError(Unknown Source)
	at org.apache.derby.client.net.NetStatementReply.parsePRPSQLSTTreply(Unknown Source)
	at org.apache.derby.client.net.NetStatementReply.readPrepareDescribeOutput(Unknown Source)
	at org.apache.derby.client.net.StatementReply.readPrepareDescribeOutput(Unknown Source)
	at org.apache.derby.client.net.NetStatement.readPrepareDescribeOutput_(Unknown Source)
	at org.apache.derby.client.am.Statement.readPrepareDescribeOutput(Unknown Source)
	at org.apache.derby.client.am.PreparedStatement.readPrepareDescribeInputOutput(Unknown Source)
	at org.apache.derby.client.am.PreparedStatement.flowPrepareDescribeInputOutput(Unknown Source)
	at org.apache.derby.client.am.PreparedStatement.prepare(Unknown Source)
	at org.apache.derby.client.am.Connection.prepareStatementX(Unknown Source)
	... 28 more
si quelqu'un sait pkoi merci!

nb: j'utilise derby