chore: batch example #38419

[asukaminato0721]

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2. Ensure there is an associated issue and you have been assigned to it
3. Use the correct syntax to link this PR: Fixes #<issue number>.

Summary

#38419

Screenshots

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Checklist

• This change requires a documentation update, included: Dify Document
• I understand that this PR may be closed in case there was no previous discussion or issues. (This doesn't apply to typos!)
• I've added a test for each change that was introduced, and I tried as much as possible to make a single atomic change.
• I've updated the documentation accordingly.
• I ran make lint && make type-check (backend) and cd web && pnpm exec vp staged (frontend) to appease the lint gods

[github-actions]

Pyrefly Type Coverage

Metric	Base	PR	Delta
Type coverage	52.58%	52.58%	-0.00%
Strict coverage	52.09%	52.09%	-0.00%
Typed symbols	32,521	32,520	-1
Untyped symbols	29,605	29,605	0
Modules	2981	2981	0

[Copilot]

Pull request overview

Updates the backend summary indexing service to disable DocumentSegmentSummary rows using a bulk SQLAlchemy UPDATE, aligning with the linked issue’s goal of improving ORM update performance for batch operations.

Changes:

• Replaces per-row ORM attribute updates with a single bulk UPDATE statement when disabling summaries.
• Adds the SQLAlchemy update import to support the new bulk operation.

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[github-actions]

Pyrefly Diff

base → PR

--- /tmp/pyrefly_base.txt	2026-07-08 15:24:09.372046527 +0000
+++ /tmp/pyrefly_pr.txt	2026-07-08 15:24:00.154981076 +0000
@@ -8085,19 +8085,25 @@
 ERROR Argument `SimpleNamespace` is not assignable to parameter `snippet` with type `CustomizedSnippet` in function `services.snippet_service.SnippetService.increment_use_count` [bad-argument-type]
    --> tests/unit_tests/services/test_snippet_service.py:678:65
 ERROR Missing required key `enable` for TypedDict `SummaryIndexSettingDict` [bad-typed-dict-key]
-  --> tests/unit_tests/services/test_summary_index_service.py:98:93
+   --> tests/unit_tests/services/test_summary_index_service.py:101:93
 ERROR Key `a` is not defined in TypedDict `SummaryIndexSettingDict` [bad-typed-dict-key]
-  --> tests/unit_tests/services/test_summary_index_service.py:98:94
+   --> tests/unit_tests/services/test_summary_index_service.py:101:94
 ERROR Missing required key `enable` for TypedDict `SummaryIndexSettingDict` [bad-typed-dict-key]
-   --> tests/unit_tests/services/test_summary_index_service.py:118:82
+   --> tests/unit_tests/services/test_summary_index_service.py:121:82
 ERROR Key `a` is not defined in TypedDict `SummaryIndexSettingDict` [bad-typed-dict-key]
-   --> tests/unit_tests/services/test_summary_index_service.py:118:83
+   --> tests/unit_tests/services/test_summary_index_service.py:121:83
+ERROR Object of class `FromClause` has no attribute `create` [missing-attribute]
+   --> tests/unit_tests/services/test_summary_index_service.py:662:5
+ERROR Object of class `FromClause` has no attribute `insert` [missing-attribute]
+   --> tests/unit_tests/services/test_summary_index_service.py:686:28
+ERROR Argument `SimpleNamespace` is not assignable to parameter `dataset` with type `Dataset` in function `services.summary_index_service.SummaryIndexService.disable_summaries_for_segments` [bad-argument-type]
+   --> tests/unit_tests/services/test_summary_index_service.py:691:56
 ERROR Object of class `NoneType` has no attribute `status` [missing-attribute]
-    --> tests/unit_tests/services/test_summary_index_service.py:1024:12
+    --> tests/unit_tests/services/test_summary_index_service.py:1043:12
 ERROR Object of class `NoneType` has no attribute `error` [missing-attribute]
-    --> tests/unit_tests/services/test_summary_index_service.py:1025:39
+    --> tests/unit_tests/services/test_summary_index_service.py:1044:39
 ERROR Object of class `NoneType` has no attribute `endswith` [missing-attribute]
-    --> tests/unit_tests/services/test_summary_index_service.py:1086:12
+    --> tests/unit_tests/services/test_summary_index_service.py:1105:12
 ERROR Cannot set item in `dict[str, int]` [unsupported-operation]
    --> tests/unit_tests/services/test_variable_truncator.py:142:31
 ERROR Argument `dict[str, dict[Unknown, Unknown]]` is not assignable to parameter `node_config` with type `NodeConfigDict` in function `services.trigger.webhook_service.WebhookService.generate_webhook_response` [bad-argument-type]