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| Change By: |
Gustavo Almeida |
| Affects Version/s: |
5.2.5 |
| Environment: |
Hibernate 5.2.5, Java 8, Oracle 9i r2 |
| Priority: |
Major Trivial |
| Issue Type: |
Bug Task |
| Summary: |
Hibernate binds more parameters to a DELETE statement than the statement accepts. Delete this |
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In a specific combination of entities, Hibernate tries to bind more parameters to a delete statement (generated by itself) than the statement supports, causing an SQLException in Oracle and possibly other databases.
Summarizing: Entity F has entities A and M as @ManyToOne @Ids. Both A and M have multiple attributes as @Ids. Some attributes of F are @JoinColumn for the relation with both A and M. When you try to delete F, Hibernate tries to bind these "shared" parameters twice, causing the error.
In the forum post below, there is a very simple example written specifically to reproduce this bug. It has all the code and logs needed.
[http://stackoverflow.com/questions/41678855/hibernate-binding-more-parameters-to-a-query-than-it-should]
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