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From "Sven Boden (JIRA)" <ibatis-...@incubator.apache.org>
Subject [jira] Commented: (IBATIS-303) SqlMapExecutor.executeBatch() returns 0
Date Wed, 07 Jun 2006 10:14:30 GMT
    [ http://issues.apache.org/jira/browse/IBATIS-303?page=comments#action_12415107 ] 

Sven Boden commented on IBATIS-303:
-----------------------------------

It's a known problem, and it's not going to be solved. It's not in iBATIS, it's a problem
with Oracle's driver. 

The JDBC spec allows vendors to skip certain functionality in executeBatch and this is what
Oracle does, they return -2 for updates in executeBatch which iBATIS translates to 0. Oracle
just doesn't return the number of rows being updated for prepared statements.

>From the Oracle 9i documentation: "For a prepared statement batch, it is not possible
to know the number of rows affected in the database by each individual statement in the batch.
Therefore, all array elements have a value of -2. According to the JDBC 2.0 specification,
a value of -2 indicates that the operation was successful but the number of rows affected
is unknown."



> SqlMapExecutor.executeBatch() returns 0
> ---------------------------------------
>
>          Key: IBATIS-303
>          URL: http://issues.apache.org/jira/browse/IBATIS-303
>      Project: iBatis for Java
>         Type: Bug

>   Components: SQL Maps
>     Versions: 2.1.7
>  Environment: Oracle 9, OCI driver
>     Reporter: george apostolov

>
> SqlMapExecutor.executeBatch() returns 0 on Oracle 9 using the oci jdbc driver.
>  I saw someone had the same issue before but this still seems to be a problem
> Thanks,
> George

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