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fix: reject all path expressions w/o foreign keys #806
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For a draft enabled model: ``` namespace my; entity Books { key ID : Integer; title : String; stock : Integer; author : Association to Authors; } entity Authors { key ID : Integer; name : String; alive : Boolean; } service CatalogService { @odata.draft.enabled @readonly entity Books as projection on my.Books; @readonly entity Authors as projection on my.Authors; } ``` `my.Books` will have a field: ``` "IsActiveEntity": { "type": "cds.Boolean", "key": true, "default": { "val": true }, "@UI.Hidden": true }, ``` which is marked as virtual by the lean draft implementation. This virtual key must not be part of the primary key matching which is done for a path expression in a `UPDATE.where`: https://github.com/cap-js/cds-dbs/blob/982b8b796da4b577c5641039d2036816209c0437/db-service/test/cqn4sql/UPDATE.test.js#L73-L97 TODO: - [] test this
reject all path expressions which navigate along a managed association which does not provide foreign keys. In this case, we can't construct join conditions, where exists subqueries or correlated subqueries for expands.
patricebender
requested review from
danjoa,
johannes-vogel,
stewsk,
BobdenOs and
sjvans
as code owners
September 11, 2024 15:17
stewsk
reviewed
Sep 13, 2024
stewsk
approved these changes
Sep 25, 2024
title : String; | ||
stock : Integer; | ||
author : Association to Authors; | ||
authorWithExplicitForeignKey: Association to Authors { ID }; |
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If there was a calculated element
authorName : author.name;
Would selecting authorName
in a query have to be handled separately?
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good point, I added this as a test case → does not need to be handled separately :)
Merged
johannes-vogel
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Oct 1, 2024
🤖 I have created a release *beep* *boop* --- <details><summary>db-service: 1.13.0</summary> ## [1.13.0](db-service-v1.12.1...db-service-v1.13.0) (2024-10-01) ### Added * Add quoted mode support ([#681](#681)) ([43c7a6c](43c7a6c)) ### Fixed * **deep-queries:** properly return insert result ([#803](#803)) ([8d800e2](8d800e2)) * dont use virtual key for `UPDATE … where (<key>) in <subquery>` ([#800](#800)) ([d25af70](d25af70)) * reject all path expressions w/o foreign keys ([#806](#806)) ([cd271a8](cd271a8)) </details> <details><summary>hana: 1.3.0</summary> ## [1.3.0](hana-v1.2.0...hana-v1.3.0) (2024-10-01) ### Added * Add quoted mode support ([#681](#681)) ([43c7a6c](43c7a6c)) </details> --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
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reject all path expressions which navigate along a managed association which does not provide foreign keys. In this case, we can't construct join conditions, where exists subqueries or correlated subqueries for expands.