From f626b6620021a6f3417692412abea32776e17ce3 Mon Sep 17 00:00:00 2001
From: Wonsuk Choi <sukvvon@gmail.com>
Date: Mon, 23 Feb 2026 01:50:48 +0900
Subject: [PATCH 1/2] test(solid-query/useQuery): add test for string
 'reconcile' option maintaining referential equality

---
 .../src/__tests__/useQuery.test.tsx           | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/packages/solid-query/src/__tests__/useQuery.test.tsx b/packages/solid-query/src/__tests__/useQuery.test.tsx
index 745621d1715..b7ec3d06e20 100644
--- a/packages/solid-query/src/__tests__/useQuery.test.tsx
+++ b/packages/solid-query/src/__tests__/useQuery.test.tsx
@@ -1048,6 +1048,61 @@ describe('useQuery', () => {
     expect(states[1]).toMatchObject({ data: 'test' })
   })
 
+  it('should maintain referential equality when reconcile option is a string key', async () => {
+    const key = queryKey()
+    const states: Array<Array<{ id: string; done: boolean }>> = []
+
+    let count = 0
+
+    function Page() {
+      const state = useQuery(() => ({
+        queryKey: key,
+        queryFn: async () => {
+          await sleep(10)
+          count++
+          return [
+            { id: '1', done: false },
+            { id: '2', done: count > 1 },
+          ]
+        },
+        reconcile: 'id',
+      }))
+
+      createEffect(() => {
+        if (state.data) {
+          states.push(state.data)
+        }
+      })
+
+      const { refetch } = state
+
+      return (
+        <div>
+          <button onClick={() => refetch()}>refetch</button>
+          <h2>Data: {JSON.stringify(state.data)}</h2>
+        </div>
+      )
+    }
+
+    const rendered = render(() => (
+      <QueryClientProvider client={queryClient}>
+        <Page />
+      </QueryClientProvider>
+    ))
+
+    await vi.advanceTimersByTimeAsync(10)
+    expect(rendered.getByText('Data: [{"id":"1","done":false},{"id":"2","done":false}]')).toBeInTheDocument()
+    expect(states).toHaveLength(1)
+
+    fireEvent.click(rendered.getByRole('button', { name: /refetch/i }))
+    await vi.advanceTimersByTimeAsync(10)
+    expect(rendered.getByText('Data: [{"id":"1","done":false},{"id":"2","done":true}]')).toBeInTheDocument()
+
+    // reconcile by 'id' updates in-place, so the array reference stays the same
+    // and the effect is not triggered again
+    expect(states).toHaveLength(1)
+  })
+
   it('should share equal data structures between query results', async () => {
     const key = queryKey()
     const result1 = [

From 0b0f835a926e400c44de9623650aae0c7a40192b Mon Sep 17 00:00:00 2001
From: "autofix-ci[bot]" <114827586+autofix-ci[bot]@users.noreply.github.com>
Date: Sun, 22 Feb 2026 16:52:36 +0000
Subject: [PATCH 2/2] ci: apply automated fixes

---
 packages/solid-query/src/__tests__/useQuery.test.tsx | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/packages/solid-query/src/__tests__/useQuery.test.tsx b/packages/solid-query/src/__tests__/useQuery.test.tsx
index b7ec3d06e20..00be7926241 100644
--- a/packages/solid-query/src/__tests__/useQuery.test.tsx
+++ b/packages/solid-query/src/__tests__/useQuery.test.tsx
@@ -1091,12 +1091,20 @@ describe('useQuery', () => {
     ))
 
     await vi.advanceTimersByTimeAsync(10)
-    expect(rendered.getByText('Data: [{"id":"1","done":false},{"id":"2","done":false}]')).toBeInTheDocument()
+    expect(
+      rendered.getByText(
+        'Data: [{"id":"1","done":false},{"id":"2","done":false}]',
+      ),
+    ).toBeInTheDocument()
     expect(states).toHaveLength(1)
 
     fireEvent.click(rendered.getByRole('button', { name: /refetch/i }))
     await vi.advanceTimersByTimeAsync(10)
-    expect(rendered.getByText('Data: [{"id":"1","done":false},{"id":"2","done":true}]')).toBeInTheDocument()
+    expect(
+      rendered.getByText(
+        'Data: [{"id":"1","done":false},{"id":"2","done":true}]',
+      ),
+    ).toBeInTheDocument()
 
     // reconcile by 'id' updates in-place, so the array reference stays the same
     // and the effect is not triggered again