Patch to Village (Oracle Clobs)

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Hi,

I have been trying to use Torque as a database abstraction layer for an Oracle 
database containing CLOBs.  However, Village does not properly retrieve or set 
CLOB values with Oracle.  This is because Village uses the ResultSet.getString 
method to read the CLOB value from the database and the 
PreparedStatement.setString method to set the CLOB value.  This approach will 
work for many JDBC drivers because they support the handling of CLOBs as 
Strings.  However, the Oracle JDBC driver does not support this conversition.  
I have modified Value.java to properly handle Oracle clobs.  This file is 
attached to this email.  I am not sure of the proper avenue to submit a patch 
for Village, so I am hoping that someone can advise me on the best course of 
action.  The rest of this email is devoted to a brief explanation of the code 
change.

Because Oracle's JDBC driver does not support the CLOB to String conversion, 
you need to actually use the java.sql.Clob interface, which is implemented by 
oracle.sql.CLOB.  You can refer to the Clob object by the java.sql.Clob 
interface during data retrieval, because there is no need to instantiate an 
instance of the Class.  The constructor of the Value class was modified to 
handle retrieval by simply adding a Types.CLOB case to the switch statement.  

Unfortunately, you need to create an instance of the clob object when you want 
to set the CLOB data, so you must refer to the oracle.sql.CLOB class.  
However, in order to not rely on the Oracle JDBC driver at compile time, I 
have writted the code to use reflection to create an instance of 
oracle.sql.CLOB and set the value.  This code is located in the 
setPreparedStatementValue method of the Value class.

Any advice on how to submit this update would be appreciated.

Thanks,

Scott




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