[Cosmos] Adds support for non streaming ORDER BY#35468
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simorenoh merged 69 commits intoAzure:mainfrom May 15, 2024
Merged
[Cosmos] Adds support for non streaming ORDER BY#35468simorenoh merged 69 commits intoAzure:mainfrom
simorenoh merged 69 commits intoAzure:mainfrom
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Python follow-up to the .NET PR: Azure/azure-cosmos-dotnet-v3#4362
Using the flag for
nonStreamingOrderBythat is now present in the query plan, we choose to create a separate query execution context for these types of operations.The process starts as a normal order-by query, creating one document producer per physical partition involved. However since there's no ordering guarantees, in this case we first need to drain the results from these document producers. The current approach is to initialize a priority queue that will serve as the ordering mechanism, receiving a document producer's batch of items one at a time, and then re-balancing with every new document producer being processed. This makes it so we hold 2*items_per_partition items in memory at most at any given time. Once fully drained, we return a priority queue with only the top k items in it.
This PR includes changes for the following:
This branch was made on top of this one that includes just the changes for the vector policies: #34882 please ignore those files