avoid underflow in clickhouse code

[uzhastik]

Changelog entry

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[github-actions]

⚪ 2025-01-09 15:55:47 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3570574 has started.
⚪ 2025-01-09 15:56:30 UTC Artifacts will be uploaded here
⚪ 2025-01-09 16:00:02 UTC ya make is running...
🟡 2025-01-09 16:51:45 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
25634	23125	0	3	2384	122

⚪ 2025-01-09 16:54:00 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-01-09 17:05:50 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
182 (only retried tests)	60	0	0	0	122

🟢 2025-01-09 17:05:58 UTC Build successful.
🟢 2025-01-09 17:06:17 UTC ydbd size 2.1 GiB changed* by 0 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 275b86e	merge: 3570574	diff	diff %
ydbd size	2 244 709 424 Bytes	2 244 709 424 Bytes	0 Bytes	0.000%
ydbd stripped size	472 409 936 Bytes	472 409 936 Bytes	0 Bytes	0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-01-09 15:56:46 UTC Pre-commit check linux-x86_64-release-asan for 3570574 has started.
⚪ 2025-01-09 15:56:59 UTC Artifacts will be uploaded here
⚪ 2025-01-09 16:00:03 UTC ya make is running...
🟡 2025-01-09 16:56:29 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
11719	11648	0	40	4	27

⚪ 2025-01-09 16:57:51 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-01-09 17:10:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
121 (only retried tests)	88	0	6	3	24

⚪ 2025-01-09 17:10:15 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-01-09 17:21:45 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
60 (only retried tests)	30	0	3	2	25

🟢 2025-01-09 17:21:52 UTC Build successful.
🟢 2025-01-09 17:22:22 UTC ydbd size 3.6 GiB changed* by -96 Bytes, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 14a7b7e	merge: 3570574	diff	diff %
ydbd size	3 874 456 216 Bytes	3 874 456 120 Bytes	-96 Bytes	-0.000%
ydbd stripped size	1 350 840 112 Bytes	1 350 840 048 Bytes	-64 Bytes	-0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}