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Inherit source part serialization info settings during mutation in MergeTree#92419

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Inherit source part serialization info settings during mutation in MergeTree#92419

Avogar wants to merge2 commits intoClickHouse:masterfromAvogar:fix-serialization-settings-in-mutation

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Avogar commentedDec 17, 2025

Changelog category (leave one):

Critical Bug Fix (crash, data loss, RBAC) or LOGICAL_ERROR

Changelog entry (auser-readable short description of the changes that goes into CHANGELOG.md):

Inherit source part serialization info settings during mutation in MergeTree. It fixes possible incorrect result of the query over mutated part after changes in data types serialization.

Documentation entry for user-facing changes

Documentation is written (mandatory for new features)

Inherit source part serialization info settings during mutation in Me…

d7a2b53

…rgeTree

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clickhouse-ghbot commentedDec 17, 2025•
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Workflow [PR], commit [b4e3dac]

Summary: ❌

job_name	test_name	status	info
Integration tests (amd_asan, db disk, old analyzer, 5/6)		failure
	test_external_http_authenticator/test.py::test_user_from_config_basic_auth_pass	FAIL	cidb
	test_external_http_authenticator/test.py::test_user_create_basic_auth_pass	FAIL	cidb
	test_external_http_authenticator/test.py::test_basic_auth_failed	FAIL	cidb
	test_external_http_authenticator/test.py::test_header_failed	FAIL	cidb
	test_external_http_authenticator/test.py::test_session_settings_from_auth_response	FAIL	cidb
BuzzHouse (amd_debug)		failure
	Logical error: 'Inconsistent AST formatting in Function_divide: the query: (STID: 1941-1bfa)	FAIL	cidb,issue