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Fix sorting issue - #39

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lpandzic merged 4 commits into
infobip:masterfrom
dirkluijk:fix-sorting-issue
Sep 9, 2021
Merged

Fix sorting issue#39
lpandzic merged 4 commits into
infobip:masterfrom
dirkluijk:fix-sorting-issue

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@dirkluijk

@dirkluijk dirkluijk commented Sep 8, 2021

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Fixes #38

First I created a test that replicates the issue, and added a possible fix in a separate commit.
Do I need to add the same tests for the other packages (JPA/R2DBC)?

@dirkluijk dirkluijk mentioned this pull request Sep 8, 2021
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@dirkluijk

dirkluijk commented Sep 8, 2021 •
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It took me a while to figure out what's going on.

It seems that the sorting currently does not take the mapping into account. However, with the PascalNamingStrategy this bug is hard to spot because otherField and OtherField are considered the same column if your DBMS is case-insensitive (which seems the case in the tests).

However, with custom column names, it breaks.

In the fix I pass the RelationalPathBase (which contains the column mapping) to QueryDSL and convert the Sort to a QSort using the columns.

I just pushed a new fix which makes use of the RelationalPersistentProperty, which is closer to the default Spring behaviour.

lpandzic
lpandzic previously approved these changes Sep 9, 2021
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@lpandzic

lpandzic commented Sep 9, 2021

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You don't have to add tests for JPA as there's no custom logic for it in this project.
Please do add tests for R2DBC.

@dirkluijk

dirkluijk commented Sep 9, 2021

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Will do!

@dirkluijk

dirkluijk commented Sep 9, 2021

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Done!

@lpandzic
lpandzic merged commit 8967499 into infobip:master Sep 9, 2021
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lpandzic reviewed Sep 9, 2021
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Comment thread ...dbc-querydsl/src/main/java/com/infobip/spring/data/r2dbc/QuerydslR2dbcRepositoryFactory.java
return RepositoryFragment.implemented(simpleJPAQuerydslFragment);
}

@SuppressWarnings("unchecked")

@lpandzic lpandzic Sep 9, 2021

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this can be moved above line 97 to minimize the scope (since it's merged I'll do it on master)

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How to apply Sort instead of QSort

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@dirkluijk @lpandzic