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Editorial Team
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Asked: 2026-05-28T16:12:05+00:00

Consider I have such SQL query: SELECT t1.* FROM table1 t1 LEFT JOIN table2

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Consider I have such SQL query:

SELECT t1.* FROM table1 t1 LEFT JOIN table2 t2 ON t1.table2_id = t2.id
WHERE t2.value = 'something' OR t1.value = 'something';

I need the same thing done in HQL query.
More info: Say I have classes Table1 and Table2 both having field named value and Table1 having a field table2 of class Table2. What I want is to get a list of Table1 objects that have certain value or it’s member table2 has certain value and I know that table2 field might be null.

I have tried to formulate the question as clearly as I could without trying to explain every single way I tried to do that without success. Sorry if it is not very clear.

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1 Answer

  1. Editorial Team

    Working example:

    select t1 from Table1 as t1 left outer join t1.table2 as t2
where t1.value = :value or t2.value = :value

    Additional note:
    If using grails one has to use executeQuery method as findAll will not be enough.

    There may be other solutions that I do not know. If you want to share a better solution, please do.

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