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Add sort operator to $search stage #2554

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merged 5 commits into from Nov 23, 2023
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alcaeus
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@alcaeus alcaeus commented Oct 18, 2023

Q A
Type improvement
BC Break no
Fixed issues

Summary

This adds the missing sort operator to the builder for the $search aggregation pipeline stage.

@alcaeus alcaeus changed the title Add sort operator to stage Add sort operator to $search stage Oct 18, 2023
@alcaeus alcaeus marked this pull request as ready for review November 6, 2023 09:41
@alcaeus alcaeus requested a review from malarzm November 6, 2023 09:41
@alcaeus alcaeus self-assigned this Nov 6, 2023
@alcaeus alcaeus added this to the 2.6.0 milestone Nov 6, 2023
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@malarzm malarzm left a comment

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I don't really like the dynamic nature of sort's arguments. Or maybe there's already a precedence in our API that I don't recall :)

@@ -434,8 +434,10 @@ public function sortByCount(string $expression): Stage\SortByCount
*
* @param array<string, int|string>|string $fieldName Field name or array of field/order pairs
* @param int|string $order Field order (if one field is specified)
*
* @return Stage\Sort
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What's wrong with native return type?

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The sort method for a Search stage does not return a sort stage, but handles this internally. We've had this with other stages (e.g. GeoNear::limit), but I believe I can still use a native type of Stage and refine it using the @return annotation.

/**
* @psalm-type CountType = 'lowerBound'|'total'
* @psalm-type SortMetaKeywords = 'searchScore'
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This looks odd, name suggests there can be multiple keywords yet this is a string. Is this coming from MongoDB itself?

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I used the same strategy we use in the Sort stage itself, where there are multiple meta sort options. In the $search aggregation pipeline stage, the only allowed meta sort is on the search score, hence the single keyword here. I can also change the naming to SortMetaKeywordType or something similar.

@@ -128,6 +143,27 @@ public function returnStoredSource(bool $returnStoredSource = true): static
return $this;
}

public function sort($fieldName, $order = null): static
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@malarzm malarzm Nov 6, 2023

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Please add PHPDoc, especially given multiple meanings of $fieldName. Or maybe there's a way to get rid of this overloading? Maybe we should encourage multiple calls to sort instead?

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This all grew out of the query builder, which allows for precisely that:

$builder
    ->sort('foo', 1)
    ->sort('bar', -1);

// Equivalent to the above
$builder
    ->sort(['foo' => 1, 'bar' => -1]);

I've kept this strategy when creating the egg builder, and now it continues in the $search stage.

In the new aggregation pipeline builder we're creating we're instead leveraging named arguments for this:

Stage::sort(foo: 1, bar: -1)

Long story short, this is going to change once the MongoDB-supported builder is stable enough for us to use it underneath and deprecate ODM's builder :)

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Stage::sort(foo: 1, bar: -1)

this looks nice :) looking forward to it!

@@ -35,6 +35,11 @@ public function returnStoredSource(bool $returnStoredSource): Search
return $this->search->returnStoredSource($returnStoredSource);
}

public function sort($fieldName, $order = null): Search
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PHPDoc is missing here too

@alcaeus alcaeus requested a review from malarzm November 8, 2023 08:42
@@ -128,6 +143,27 @@ public function returnStoredSource(bool $returnStoredSource = true): static
return $this;
}

public function sort($fieldName, $order = null): static
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Stage::sort(foo: 1, bar: -1)

this looks nice :) looking forward to it!

@malarzm malarzm merged commit 3cec5e3 into doctrine:2.6.x Nov 23, 2023
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malarzm commented Nov 23, 2023

Thanks @alcaeus!

@alcaeus alcaeus deleted the add-search-sort branch November 24, 2023 08:10
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2 participants