[hibernate-issues] [Hibernate-JIRA] Created: (HHH-5919) criteria loader runs into ArrayIndexOutOfBoundsException caused by wrong condition handling for column span zero

[Christoph Weißenborn (JIRA)]

criteria loader runs into ArrayIndexOutOfBoundsException caused by wrong condition handling for column span zero
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                 Key: HHH-5919
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5919
             Project: Hibernate Core
          Issue Type: Bug
    Affects Versions: 3.6.1, 3.5.4, 3.3.2, 3.2.7, 3.1.2, 3.0.5
            Reporter: Christoph Weißenborn
         Attachments: org.hibernate.loader.criteria.criterialoader.patch

Retriving results from a query with a last column with zero column span we run into ArrayOutOfBoundsException.

An easy fix:
org.hibernate.loader.criteria.CriteriaLoader (revision 20078) method getResultColumnOrRow(Object[], ResultTransformer, ResultSet, SessionImplementor)
In line 143 condition ">" should change to "!=". The variable pos is not a valid index for columnAlias when numColumns (=column span) is 0. ArrayHelper.slice handles condition numColumns zero correctly.

Alternative workaround:
Change how the query is built. The last column should be at another position in the query.

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