Add YAML integration tests and documentation for cross-schema joins (cross-schema 6/6)#4217

Draft

arnaud-lacurie wants to merge 25 commits into

FoundationDB:mainfrom

arnaud-lacurie:cross-schema/pr6

Commits on May 25, 2026

Add SchemaIdentifier tag to scan expressions
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Add EvaluationContext auxiliary stores and RecordQueryStoreBindingPlan
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Multi-schema MetaDataPlanContext and cross-schema store binding in NLJ rule
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Wire cross-schema table resolution and store injection end-to-end
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Fix WHERE predicate drop in cross-schema correlated scan and add join tests
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Introduce PlanCacheSchemaKey and multi-schema QueryCacheKey
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Fix AbstractDataAccessRule secondary-schema scan wrapping and add proto serialization to RecordQueryStoreBindingPlan
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Wire secondary-schema stores into the execution context at connection time
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Namespace secondary-schema proto types and enumerate all schemas in catalog metadata
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Add integration tests for cross-schema join and type-namespace collision avoidance
arnaud-lacurie
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Add YAML integration tests and documentation for cross-schema joins
arnaud-lacurie
committed

Commits on May 26, 2026