Lock mode "optupdate" with SQL92

JDeveloper and ADF 11.1.1.4.0

I'm having trouble getting the mode of locking < police = "Courier New" > optupdate < / police > work in my webapplication to update the lines. The app should work with two different database: DB Oracle and MySQL, so < police = "Courier New" > SQL92 < / police > is used in the Houston. SQLBuilder < / police > property. Type mapping is set to < police = "Courier New" > Java < / police >. Almost everything as described in http://www.oracle.com/technetwork/developer-tools/jdev/multidatabaseapp-085183.html is done.

The following error occurs on the DB Oracle and MySQL (< police = "Courier New" > # < / police > is a number):

Oracle DB: < police = "Courier New" > java.sql.SQLException: parameter IN or OUT to missing index: # < / make >
MySQL: < police = "Courier New" > java.sql.SQLException: no value specified for the parameter # < / make >

I will return to shortly logging. As a test case, I built a minimal application with the following properties:

-Connects to Oracle DB;
-Locking mode < police = "Courier New" > optupdate < / police > is defined via < police = "Courier New" > adf-config. XML < / police >;
-Module a single application, a single entity, subject of a point of view, built declaratively (no expert mode);
-A JSPX page with just a form of the current line (first).

The only property I have change is < police = "Courier New" > Houston. SQLBuilder < / police > adf - config.xml < / police >, in order to simulate different databases. When it is defined < police = "Courier New" > Oracle < / police >, update a line works as expected. When it is set < police = "Courier New" > SQL92 < / police >, it gives the above error. When the lock is set to < police = "Courier New" > optimist < / police >, it works as expected, regardless of the < police = "Courier New" > Houston. SQLBuilder < / police > property.

Now, what I see in the logging is that ADF trying to bind parameters identification and update the line. The difference lies in the way that ADF is trying to identify the line. When the lock mode is x < / police >, it uses the primary key, such as defined in the entity, which works very well. When the lock mode is optupdate < / police >, it uses all the attributes of the entity to identify the line. Most of these attributes require liaison. When < police = "Courier New" > Houston. SQLBuilder < / police > is set to < police = "Courier New" > Oracle < / police >, all these links are used. This is not the case with SQL92 < / police >. For example:

jbo.locking.mode = "optupdate"
jbo.SQLBuilder = "Oracle"

[625] UPDATE TEST Test SET CODE=:1 WHERE ID=:2 AND CODE=:3 AND NAME=:4
[626] Update binding param 1: Test2
[627] Where binding param 2: 1
[628] Where binding param 3: Test
[629] Where binding param 4: TestName
[630] TestView notify COMMIT ... 
[631] DBG: afterActionPerformed :Commit

jbo.locking.mode = "optupdate"
jbo.SQLBuilder = "SQL92":

[625] UPDATE TEST Test SET CODE=? WHERE ID=? AND CODE=? AND NAME=?
[626] Update binding param 1: Test2
[627] Where binding param 2: 1
[628] SQL92SQLBuilderImpl.doEntityDML failed...
[629] X/Open SQL State is: 99999
[630] java.sql.SQLException: Missing IN or OUT parameter at index.: 3

It does not fill the rest of the settings. Note that this also happens with MySQL. Derivative, < police = "Courier New" > Houston. SQLBuilder < / police > to < police = "Courier New" > Oracle < / police > for this database does not work due to differences in the syntax.

How am I supposed to get this working correctly? I don't know why she is doing this. Maybe it's something in the definition of the entity? I hope you can give me an overview of this issue. Thanks in advance.

Update now seems to work fine with your suggestions! However, I get an error when you remove lines

This is another bug - the buildDeleteStatement (...) method does not add the non-key columns in the WHERE clause, but the bindDeleteStatement (...) method binds the values (slots parameter SQL does not exist). Unfortunately, there is no easy way to work around this bug (generalizing the method of buildDeleteStatement (...)) because he would need to access the protected and package the methods of the classes EntityImpl and EntityDefImpl (which is not possible to a custom class SQLBuilder).

However, you can override the bindDeleteStatement (...) method for not linking the prepared SQL statement nonkey attribute values:

package model;

import java.sql.PreparedStatement;
import java.sql.SQLException;

import java.util.HashMap;

import oracle.jbo.Transaction;
import oracle.jbo.server.AttributeDefImpl;
import oracle.jbo.server.DBTransaction;
import oracle.jbo.server.DBTransactionImpl;
import oracle.jbo.server.EntityDefImpl;
import oracle.jbo.server.EntityImpl;
import oracle.jbo.server.SQL92SQLBuilderImpl;
import oracle.jbo.server.SQLBuilder;

public class CustomSQL92Builder extends SQL92SQLBuilderImpl
{
  public static SQLBuilder getInterface()
  {
    return new CustomSQL92Builder();
  }    

  public int bindUpdateStatement( EntityImpl entityContext,
                                  PreparedStatement stmt,
                                  AttributeDefImpl[] cols,
                                  AttributeDefImpl[] retrCols,
                                  AttributeDefImpl[] retrKeyCols,
                                  HashMap retrList,
                                  boolean batchMode) throws SQLException
  {
    int bindIndex = super.bindUpdateStatement(entityContext, stmt, cols, retrCols, retrKeyCols, retrList, batchMode);

    DBTransaction trans = entityContext.getDBTransaction();
    boolean isLockOptUpdate = (trans.getLockingMode() == Transaction.LOCK_OPTUPDATE);
    if (isLockOptUpdate) {
       bindIndex = bindOptUpdateWhereClause(entityContext, stmt, bindIndex);
    }
    return bindIndex;
  }

  public int bindDeleteStatement(EntityImpl entityContext, PreparedStatement stmt)
     throws SQLException
  {
     int bindIndex = bindWhereClause(entityContext, stmt, null, 1);
     return bindIndex;
  }
}

The disadvantage of this approach is that UPDATE operations will be a 'optupdate' impementing - approach, but DELETE operations will implement a standard non - approach "optupdate". Hope agree you.

Also, is this a bug with the updating and deleting lines fixed in more recent versions of the ADF?

These bugs are not resolved in more recent versions of ADF, the new ADF versions have the same problems.

Dimitar

Tags: Java

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