fix: CustomItemSerializer not applied correctly in queries and SqlParameter [Cosmos]#48702

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xinlian12 wants to merge 21 commits intoAzure:mainfrom

xinlian12:fix/issue-45521-custom-item-serializer

Commits on Apr 7, 2026

fix: ensure CustomItemSerializer is not applied to internal query pipeline structures and is applied to SqlParameter serialization

Annie Liang
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fix: address review iteration 1 initialize rawValue in ObjectNode constructor

Annie Liang
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fix: clone SqlQuerySpec before applying serializer to prevent race condition

Annie Liang
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chore: add reevaluation output for F2 finding

Annie Liang
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fix: address PR review forceSerialization, remove ModelBridgeInternal method, use ImplementationBridgeHelpers accessor

Annie Liang
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test: add coverage for CustomItemSerializer with ORDER BY, GROUP BY, aggregate, DISTINCT, and SqlParameter queries

Annie Liang
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fix: guard SqlParameter.applySerializer against unimplemented serialize()

Annie Liang
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Commits on Apr 9, 2026

fix: use DEFAULT_SERIALIZER for aggregate/distinct/groupby query tests

xinlian12
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