fixed CDC write to the autopartitioning topic

[nshestakov]

Changelog entry

If the CDC stream was recorded in an auto-partitioned topic, then it could stop after several splits of the topic. In this case, modification of rows in the table would result in the error that the table is overloaded.

Changelog category

• Bugfix

Description for reviewers

LBREQUESTS-4468

[github-actions]

🟢 2025-06-26 14:32:28 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-06-26 14:05:51 UTC Pre-commit check linux-x86_64-release-asan for fcd075c has started.
⚪ 2025-06-26 14:06:03 UTC Artifacts will be uploaded here
⚪ 2025-06-26 14:08:57 UTC ya make is running...
🟡 2025-06-26 15:23:29 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?
12392	12216	0	99	22	55

⚪ 2025-06-26 15:24:41 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-06-26 15:46:45 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?
241 (only retried tests)	176	0	11	1	53

⚪ 2025-06-26 15:46:57 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-06-26 16:07:22 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?
112 (only retried tests)	49	0	9	1	53

🟢 2025-06-26 16:07:34 UTC Build successful.
🟢 2025-06-26 16:08:16 UTC ydbd size 3.7 GiB changed* by -176 Bytes, which is <= 0 Bytes vs stable-25-1: OK

ydbd size dash	stable-25-1: 941f9c7	merge: fcd075c	diff	diff %
ydbd size	4 011 735 248 Bytes	4 011 735 072 Bytes	-176 Bytes	-0.000%
ydbd stripped size	1 400 119 352 Bytes	1 400 119 224 Bytes	-128 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]

⚪ 2025-06-26 14:06:00 UTC Pre-commit check linux-x86_64-relwithdebinfo for fcd075c has started.
⚪ 2025-06-26 14:06:11 UTC Artifacts will be uploaded here
⚪ 2025-06-26 14:09:05 UTC ya make is running...
🟡 2025-06-26 15:12:52 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?
19507	18198	0	5	1237	67

⚪ 2025-06-26 15:14:38 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-06-26 15:35:08 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
146 (only retried tests)	85	0	0	1	60

🟢 2025-06-26 15:35:15 UTC Build successful.
🟢 2025-06-26 15:35:34 UTC ydbd size 2.1 GiB changed* by -64 Bytes, which is <= 0 Bytes vs stable-25-1: OK

ydbd size dash	stable-25-1: 941f9c7	merge: fcd075c	diff	diff %
ydbd size	2 304 369 784 Bytes	2 304 369 720 Bytes	-64 Bytes	-0.000%
ydbd stripped size	484 635 584 Bytes	484 635 584 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}