[jira] [Updated] (OPENJPA-2131) Missing IN or OUT parameter exception with OracleDictionary

["Zilin Chen (Updated) (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-2131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Zilin Chen updated OPENJPA-2131:
--------------------------------

    Attachment: OracleInOutParameterIssue.patch
    
> Missing IN or OUT parameter exception with OracleDictionary
> -----------------------------------------------------------
>
>                 Key: OPENJPA-2131
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-2131
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 2.1.1
>         Environment: Windows with Oracle 11g
>            Reporter: Zilin Chen
>         Attachments: OracleInOutParameterIssue.patch
>
>
> We have generate query with 
> Query q = em.createQuery("select e._name, e._id, sum(case when e._status=:pending then e._count else 0 end) from Exceptions e, Historty h where e._guid = :guid and .....
> then set paramenters for both :pending (in select) and :guid (in where), and call q.setMaxResults(100);
> with DB2, everything works fine, and DBDictionary.getSelects() and SQLBuffer.append() will invoke correctly and set parameter of :pending
> with Oracle implementation, OracleDictionary.getSelects(Select sel, boolean distinctIdentifiers, boolean forUpdate) will invoke and SQLBuffer.getSQL() get to call (as two if checks are not satisfied and gos to create a new SQLBuffer instance), but this time :pending parameter will missing to add to _param List,
> Eventually, we'll get Missing IN or OUT parameter exception from to execute query by preparedStatement 
> This bug exist in both this branch and trunk.
> We have a work around, after SQLBuffer.getSQL() call, add some code to reset _param list.

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