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From Trevor Brosnan <trevor.bros...@gmail.com>
Subject Re: Batching Stored Procedures
Date Tue, 10 May 2005 04:19:31 GMT
Anyone from the development team have a definitive answer to this, before I 
delve deep into the code to find the answer or possibly make the changes so 
that iBatis can correctly batch stored procedure invocations?
 Thanks in advance,

 On 5/1/05, Trevor Brosnan <trevor.brosnan@gmail.com> wrote: 
> Is it possible in iBatis to batch stored procedure invocations?
> Many JDBC Drivers support the batching of callable statements (e.g. recent 
> DB2 Drivers, Sybase jConnect etc). This feature is essential for the domain 
> I work in where we will be doing some intensive insert/update operations â€" 
> perhaps 5-10% of the data access operations contained in our applications 
> will need to be batch operations for performance reasons. 
> However, from some preliminary testing, I have been unable to get iBatis 
> to execute stored procedures in a batch. I plan to use Spring Framework's 
> support for iBatis in front of the iBatis API, but even without this layer 
> of abstraction I have been unable to execute stored procedures in a batch. 
> For example, the following code will execute a batch if the mapped 
> statement 'InsertBusinessDomain' is a direct SQL string specified via an 
> <insert> element. However, if it is a <procedure>, then the procedure is

> executed each time we call sqlMapClient.insert() â€" and 
> sqlMapClient.executeBatch() returns 0:
> *String resource = "sqlMapConfig.traditional.xml";
> Reader reader = Resources.getResourceAsReader(resource);
> SqlMapClient sqlMapClient = SqlMapClientBuilder.buildSqlMapClient(reader);
> sqlMapClient.startTransaction();
> sqlMapClient.startBatch();
> for(Iterator itr = coll.iterator(); itr.hasNext();){
> sqlMapClient.insert("InsertBusinessDomain", itr.next());
> }
> int results = sqlMapClient.executeBatch();
> sqlMapClient.commitTransaction();
> sqlMapClient.endTransaction();*
> Stored procedure access is mandated, thus we cannot use direct SQL. The 
> stored procedure itself is stripped down to a single insert statement. 
> I am using P6Spy (configured to log to a Log4j SocketAppender) in 
> conjunction with the SQL Profiler tool to verify exactly what SQL is being 
> executed by the JDBC Driver. 
> Any clarification or assistance with this issue is greatly appreciated. 
> Thanks in advance,
> Trevor
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