Most relevant changes are in include/caosdb/transaction.h and src/caosdb/transaction.cpp.
New class MultiResultSet represents a result set with multiple entities. Is this a good name?
New enum TransactionType restricts the kind of sub-transactions (Insert, Delete, Retrieve) which can be added to a transaction.
Macros are used to check whether InsertEntity, DeleteById or RetrieveById can be called on a transaction (given the TransactionStatus and 'TransactionType`).
Test Environment
Test with server in branch f-grpc-f-multi-retrieve
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All automated tests pass
Reference related Issues
Up-to-date CHANGELOG.md
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Check List for the Reviewer
I understand the intent of this MR
All automated tests pass
Up-to-date CHANGELOG.md
The test environment setup works and the intended behavior is
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Check: Are there specifications? Are they satisfied?
