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perf(query-core): clear query's revertState once fetching ends successfully #9265

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Merged
merged 2 commits into from
Jun 19, 2025

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LoicDavid
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The #revertState attribute of the Query class is used as a fallback for fetching failure.
Clearing it once fetching ends successfully improve memory usage, particularly with queries returning large amount of data.

More context in this discussion: #9264

NB: I didn't add unit tests for this modification. Indeed, as #revertState is a hash private attribute, I see no way to access it in unit tests to check if it is properly reset.

…sfully

revertState is used as a fallback for fetching failure.
Clearing it once fetching ends successfully improve memory usage, particularly with queries
returning large amount of data.
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☁️ Nx Cloud last updated this comment at 2025-06-19 08:42:55 UTC

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commit: 4f69310

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codecov bot commented Jun 19, 2025

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 59.69%. Comparing base (af1de4d) to head (4f69310).
Report is 1 commits behind head on main.

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@@             Coverage Diff             @@
##             main    #9265       +/-   ##
===========================================
+ Coverage   45.37%   59.69%   +14.31%     
===========================================
  Files         207      136       -71     
  Lines        8276     5515     -2761     
  Branches     1870     1486      -384     
===========================================
- Hits         3755     3292      -463     
+ Misses       4080     1925     -2155     
+ Partials      441      298      -143     
Components Coverage Δ
@tanstack/angular-query-devtools-experimental ∅ <ø> (∅)
@tanstack/angular-query-experimental 85.00% <ø> (ø)
@tanstack/eslint-plugin-query ∅ <ø> (∅)
@tanstack/query-async-storage-persister 43.85% <ø> (ø)
@tanstack/query-broadcast-client-experimental 24.39% <ø> (ø)
@tanstack/query-codemods ∅ <ø> (∅)
@tanstack/query-core 98.15% <100.00%> (+<0.01%) ⬆️
@tanstack/query-devtools 3.55% <ø> (ø)
@tanstack/query-persist-client-core 79.47% <ø> (ø)
@tanstack/query-sync-storage-persister 84.61% <ø> (ø)
@tanstack/query-test-utils ∅ <ø> (∅)
@tanstack/react-query 95.93% <ø> (ø)
@tanstack/react-query-devtools 10.00% <ø> (ø)
@tanstack/react-query-next-experimental ∅ <ø> (∅)
@tanstack/react-query-persist-client 100.00% <ø> (ø)
@tanstack/solid-query 78.13% <ø> (ø)
@tanstack/solid-query-devtools ∅ <ø> (∅)
@tanstack/solid-query-persist-client 100.00% <ø> (ø)
@tanstack/svelte-query 88.07% <ø> (ø)
@tanstack/svelte-query-devtools ∅ <ø> (∅)
@tanstack/svelte-query-persist-client 100.00% <ø> (ø)
@tanstack/vue-query 71.10% <ø> (ø)
@tanstack/vue-query-devtools ∅ <ø> (∅)
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@TkDodo TkDodo merged commit fa48673 into TanStack:main Jun 19, 2025
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