John,
The SQL transformer that ships with cocoon is much different than the
one that we use at DOTech. We made a lot of improvements, such as
transaction handling, batch inserts, parameter passing (and probably
other things Irv can list).
Did you have some problem getting stuff working with the
DOTechSQLTransformer?
David
PS. I've been laying low this morning due to this head cold. I'm getting
ready to come into the office now.
Thus Spoke John F. Walsh:
Greetings,
I'm using Cocoon 2.1.6. I need the SQL transformer to use Java
prepared statements and do the parameter substitution after the
prepared statement declaration so that the Oracle execution plan
developed for one query works for the next query with different
parameter values.
The sql:substitute-value substitution looked promising, but it does
the substitution using string buffer manipulation before the prepared
statement is created, so that doesn't solve my problem. Calling the
query a stored procedure and using sql:in-parameters also looked
promising, but since I don't have any out parameters,
SQLTransformer.Query.serializeStoredProcedure returns without
serializing the result set (because outParamaetersNames == null), so I
don't get the result set.
Has anyone had any success using the SQLTransformer to run stored
procedures with parameters?
Thanks,
John Walsh
Background / example:
It's important to the database guys that the query be
select customer_name from order where order_id = ?
with order_id being set after the prepared statement declaration, so
that Oracle can use the same execution plan on subsequent executions
of the query with different order IDs.
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