* test: add openapi regression test for values_count on missing fields
Reproduces https://github.com/qdrant/qdrant/issues/9586 where points with
a missing payload field are not matched by values_count filters that should
treat the count as 0.
Co-authored-by: Cursor <cursoragent@cursor.com>
* test: use module fixture for values_count missing field test
Follow the standard openapi test structure with setup/teardown fixture
instead of explicit drop_collection calls in the test body.
Co-authored-by: Cursor <cursoragent@cursor.com>
* fix: treat missing field as count 0 for values_count filter (#9607)
`FieldCondition::check_empty()` ignored the `values_count` condition, so a
point with a missing payload field was never matched by a `values_count`
filter. The desired semantics (and the existing `ValuesCount::check_empty`)
treat a missing field as having a value count of 0.
Forward the empty check to `values_count.check_empty()` so bounds like
`lt: 1`, `gte: 0` and `lte: 0` correctly match points whose field is absent.
Fixes#9586
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---------
Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Andrey Vasnetsov <andrey@vasnetsov.com>
Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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