[hibernate-issues] [Hibernate-JIRA] Created: (ANN-707) Erroneous SQL goes to Oracle when using operator IN with composite key

[botWi (JIRA)]

Erroneous SQL goes to Oracle when using operator IN with composite key
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                 Key: ANN-707
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/ANN-707
             Project: Hibernate Annotations
          Issue Type: Bug
    Affects Versions: 3.3.1.CR1
         Environment: Hibernate 3.2.6
Hibernate Annotations 3.3.1.CR1
Hibernate EntityManager 3.3.2.CR1
Oracle 10g
            Reporter: botWi


entity Footballer has composite primary key defined via @IdClass and @Id getters (see http://www.hibernate.org/hib_docs/annotations/reference/en/html_single/#entity-mapping-identifier)

entity Goal has property 'footballer' defined via @ManyToOne

query
  select g from Goal g where g.footballer in (select f from Footballer f where f.age=22)

is translated to erroneous SQL

  select goal0_.id as col_0_0_ from tgoal goal0_ where (goal0_.fb_firstname, goal0_.fb_lastname) in (select (footballer1_.fb_firstname, footballer1_.fb_lastname) from tfootballer footballer1_ where footballer1_.age=22)

it's strange, but the slightly modified query
  select g from Goal g where g.footballer.id in (select f.id from Footballer f where f.age=22)

is translated to valid SQL

  select goal0_.id as col_0_0_ from tgoal goal0_ where (goal0_.fb_firstname, goal0_.fb_lastname) in (select footballer1_.fb_firstname, footballer1_.fb_lastname from tfootballer footballer1_ where footballer1_.age=22)



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