At the very least we should implement it by calling {{SearchResult.getHitCount()}}.
If necessary, we can think about a better performing solution that would not fetch hits when we only need the result count. We could take advantage of a new, dedicated SPI such as {{SearchQuery.executeCount()}}, we could set the {{SearchQuery}} result limit to 0 before executing it in that specific case.
For testing, see org/hibernate/search/v6poc/integrationtest/orm/OrmAnnotationMappingIT.java:398 and org/hibernate/search/v6poc/integrationtest/orm/OrmProgrammaticMappingIT.java:393 |
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