HHH-19396 cannot select the same column twice with different aliases while using cte #10158
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Previous change was always setting |
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mbellade
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…wice in same (sub)query
…mporary tables and subqueries
Selection items representing same column in (sub)query will be represented with single instance, this will hide real alias
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@mbellade Should I backport this to 6.6? |
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@cigaly sure you can try |
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Jira issue HHH-19396
When creating
SqlAstQueryPartProcessingStateImplin methodorg.hibernate.query.sqm.sql.BaseSqmToSqlAstConverter#visitQuerySpecparameterdeduplicateSelectionItemsmust be set tofalse(see comment in moved code block)When
selectStatementcontains same column more than once in methodorg.hibernate.query.sqm.tree.cte.SqmCteTable#createStatementTable,SqmCteTableconstructor will be unable to properly resolve aliases. To prevent this alias in select clause selection should be used if exist, one from selectable node should be used otherwise.By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license
and can be relicensed under the terms of the LGPL v2.1 license in the future at the maintainers' discretion.
For more information on licensing, please check here.
https://hibernate.atlassian.net/browse/HHH-19396