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fix(hana): Ensure xpr with logical operator to only contain comparisons #452

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merged 3 commits into from
Feb 16, 2024

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BobdenOs
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Expressions have many different behavior based upon their context. There for an issue was created when using logical operator (OR, AND) inside an xpr.

It is allowed for expressions to return a value and be converted into a comparison on the higher layer. Unless the expression contains a logical operator which forces all side to contain comparisons. For example:

SELECT * FROM DUMMY 
WHERE (TRUE) = TRUE -- Expression returns the value TRUE and is converted into a comparison on the higher level

SELECT * FROM DUMMY
WHERE (TRUE = TRUE OR TRUE = TRUE) -- Both hand sides of the OR operator have to be self container comparisons

SELECT * FROM DUMMY
WHERE (TRUE = TRUE OR TRUE) = TRUE -- Fails to compile as the closing bracket is before the comparison operator

@johannes-vogel johannes-vogel merged commit a2ecb22 into main Feb 16, 2024
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@johannes-vogel johannes-vogel deleted the cap/15398 branch February 16, 2024 11:07
@cap-bots cap-bots mentioned this pull request Feb 16, 2024
johannes-vogel pushed a commit that referenced this pull request Feb 16, 2024
🤖 I have created a release *beep* *boop*
---


<details><summary>db-service: 1.6.2</summary>

##
[1.6.2](db-service-v1.6.1...db-service-v1.6.2)
(2024-02-16)


### Fixed

* ** `infer`:** unique alias for scoped subqueries
([#465](#465))
([5dbaa8e](5dbaa8e))
* Allow only for array of arrays as data for plain SQL
([#449](#449))
([22e1c43](22e1c43))
* dont insert structured elements
([#461](#461))
([f3f688d](f3f688d))
* ignore virtual keys in
UPSERT([#463](#463))
([49adbf3](49adbf3))
* INSERT entries containing undefined values
([#453](#453))
([d3aad75](d3aad75))
* select without columns from unknown entity
([#466](#466))
([eb857de](eb857de))
</details>

<details><summary>sqlite: 1.5.1</summary>

##
[1.5.1](sqlite-v1.5.0...sqlite-v1.5.1)
(2024-02-16)


### Fixed

* **`sqlite`:** Retain Error object for unique constraint violation
([#446](#446))
([d27ee79](d27ee79))
</details>

<details><summary>postgres: 1.5.1</summary>

##
[1.5.1](postgres-v1.5.0...postgres-v1.5.1)
(2024-02-16)


### Fixed

* **`sqlite`:** Retain Error object for unique constraint violation
([#446](#446))
([d27ee79](d27ee79))
</details>

<details><summary>hana: 0.0.5</summary>

##
[0.0.5](hana-v0.0.4...hana-v0.0.5)
(2024-02-16)


### Fixed

* **`sqlite`:** Retain Error object for unique constraint violation
([#446](#446))
([d27ee79](d27ee79))
* **hana:** ensure the database connection does not enable auto commit
([#448](#448))
([b2ca1da](b2ca1da))
* **hana:** Ensure xpr with logical operator to only contain comparisons
([#452](#452))
([a2ecb22](a2ecb22))
* ignore virtual keys in
UPSERT([#463](#463))
([49adbf3](49adbf3))
* select without columns from unknown entity
([#466](#466))
([eb857de](eb857de))
</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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