[hibernate-issues] [Hibernate-JIRA] Created: (HHH-3389) HQL generates wrong sql when using subquery on the same table

[Roman Makowski (JIRA)]

HQL generates wrong sql when using subquery on the same table
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                 Key: HHH-3389
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-3389
             Project: Hibernate3
          Issue Type: Bug
          Components: query-hql
    Affects Versions: 3.2.6
            Reporter: Roman Makowski


I've got following insert in my code:

String queryString = "INSERT INTO Regg (index, code) "
                + "SELECT ( SELECT cast(count(*) - 1 as int) "
                + "      FROM Code c2 "
                + "      WHERE c2.parent.id = c1.parent.id AND c2.id <= c1.id), c1.code "
                + "FROM Code c1 "
                + "WHERE c1.parent.id = :DIM_ID";
Query q = session.createQuery(queryString);
q.setParameter(DIM_ID, dimId, Hibernate.LONG);
q.executeUpdate();

Unfortunately HQLQueryPlan returns following SQL query to the database:

insert into REG_G ( C_SEQ, C_VALUE )
select (
select cast(count(*)-1 as int)
from REG_CODE code1_
where code1_.C_DIM_ID=REG_CODE.C_DIM_ID and code1_.C_ID<=REG_CODE.C_ID) as col_0_0_,
code0_.C_CODE as col_1_0_
from REG_CODE code0_
where code0_.C_DIM_ID=?

where REG_CODE.C_DIM_ID and REG_CODE.C_ID are not resolved to code0_.C_DIM_ID and code0_.C_ID 

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