[Spring Data Cosmos] Implement Query by Example support (#45919)#48785
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jeet1995 wants to merge 1 commit intoAzure:mainfrom
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[Spring Data Cosmos] Implement Query by Example support (#45919)#48785jeet1995 wants to merge 1 commit intoAzure:mainfrom
jeet1995 wants to merge 1 commit intoAzure:mainfrom
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…e#45919) Add QueryByExampleExecutor<T> to CosmosRepository and ReactiveQueryByExampleExecutor<T> to ReactiveCosmosRepository, enabling dynamic queries via probe entities and ExampleMatcher. New components: - CosmosExampleCriteriaBuilder: converts Example<T> to Criteria tree using CosmosPersistentEntity metadata (not raw reflection). Supports string matching modes (exact, containing, starts/ends with), case-insensitive matching, null handling (INCLUDE/IGNORE), ignored paths, and nested object dot-notation. Skips @transient, null @id, and @Version fields. Falls back to CriteriaType.ALL for empty probes. - SimpleCosmosRepository QBE methods: findOne, findAll, findAll(Sort), findAll(Pageable), count, exists via existing template operations. - SimpleReactiveCosmosRepository QBE methods: reactive equivalents returning Mono/Flux via ReactiveCosmosOperations. - 16 unit tests covering all ExampleMatcher configurations. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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Issue
Fixes #45919
Feature
Implemented Query by Example (QBE) for Spring Data Cosmos, enabling dynamic queries via probe entities and \ExampleMatcher\ — a standard Spring Data feature that dramatically reduces code needed for dynamic searches.
Implementation
Supported operations
Testing
Community
Built upon the direction from community PR #45918 by @javiersvg, with fixes for critical bugs (wrong CriteriaType for non-strings, NPE risk, raw reflection).