Add transactional batch support for Cosmos DB Spark connector#47478

Merged

TheovanKraay merged 16 commits intoAzure:mainfrom

TheovanKraay:spark-transactional-batch-support-v2

Jan 13, 2026

Commits on Jan 12, 2026

Cosmos Spark transactional batch support
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Add per-row operation type support for transactional batch
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Simplify config: remove bulkEnableTransactions, use ItemTransactionalBatch only
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refactored to use CosmosBatch, removed operationType per row, and added docs to ingestion.md
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Address PR feedback: fix resource leak, improve logging, clarify docs
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Remove read many parts
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Remove item patch parts
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Revert operation type changes
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Refactor semaphore to limit batches not operations
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Add batch size validation for transactional batches. Refactored calculateTotalSerializedLength to validate 2MB payload limit and return HTTP 413 errors with clear messages when exceeded.
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Fix transactional batch diagnostics prefix, simplify validation, rename test fields
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batch-level semantics, remove client validation, update test titles
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Use standard Loan pattern for resource management
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refactor error handling to be at batch level and add tests
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Fix Scala 2.12/2.13 cross-compilation
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fix broken link since doc refresh
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