Simplify internal async callback code #2091
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## main #2091 +/- ##
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+ Coverage 70.67% 70.69% +0.01%
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Files 306 306
Lines 61995 62071 +76
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+ Hits 43816 43878 +62
- Misses 18179 18193 +14
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src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlCommand.cs
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src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/SqlCommand.cs
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DavoudEshtehari
requested review from
David-Engel,
JRahnama,
DavoudEshtehari,
Kaur-Parminder and
arellegue
David-Engel
approved these changes
Aug 4, 2023
cheenamalhotra
approved these changes
Aug 9, 2023
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In previous PR's I optimized async paths to use state objects and cached delegates to static functions to avoid instance delegate invocations. The c# compiler now implements delegate caching directly for static lambdas and produces easier to read code. This PR converts the existing manual delegate caching to the compiler provided method.
It converts ExecuteXmlReaderAsync to use the cached context object pattern.
It converts ExecuteNonQueryAsync to use a cached context object, it was already using a context object so this just adds caching.
I suggest reviewing each commit individually. Side by side diffs make the changes look more confusing than they really are. Netcore only because when sqlcommand is merged I expect the netcore versions to be used since they're generally better for perf.