[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-1123) Cannot put more than 1000 elements in a InExpression

[guillaume mathias (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-1123?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_28048 ] 

guillaume mathias commented on HHH-1123:
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I have a similar error with SQL Server : "Prepared or callable statement has more than 2000 parameter markers"
Even I split the "in" expression, this exception is thrown when the total parameter markers count exceeds the limit parameterized in DBMS (2000 here).


> Cannot put more than 1000 elements in a InExpression
> ----------------------------------------------------
>
>                 Key: HHH-1123
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1123
>             Project: Hibernate3
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.1 rc2, 3.2.0.alpha1
>         Environment: Oracle 9i
>            Reporter: Alexis Seigneurin
>         Attachments: patch.txt
>
>   Original Estimate: 1 hour
>  Remaining Estimate: 1 hour
>
> The number of elements that we can put in a "in" expression is limited to a certain amount (1000 for Oracle, for instance). When creating a criteria query, the org.hibernate.criterion.InExpression class should split the expression into several smaller ones.
> Attached is a patch which splits the expression by slices of 500 elements. For example, if we have 1001 elements to put in the "in" expression, the result would be :
> (entity.field in (?, ?, ?...) or entity.field in (?, ?, ?...) or entity.field in (?))
> The surrounding parantheses are useful to avoid problems with other conditions (a "and" condition taking over the one of the "or" conditions).

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