[stable-25-2-1] Solomon external data source bugfixes & feature requests

[evanevanevanevannnn]

Changelog entry

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Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

bugfixes and feature requests for solomon external data source

[github-actions]

⚪ 2025-10-08 13:22:26 UTC Pre-commit check linux-x86_64-relwithdebinfo for 0a0e8e7 has started.
⚪ 2025-10-08 13:22:41 UTC Artifacts will be uploaded here
⚪ 2025-10-08 13:25:46 UTC ya make is running...
🟡 2025-10-08 14:30:29 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?
34074	31546	0	5	2472	51

⚪ 2025-10-08 14:33:42 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-10-08 14:56:02 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
104 (only retried tests)	62	0	0	5	37

🟢 2025-10-08 14:56:10 UTC Build successful.
🟢 2025-10-08 14:56:27 UTC ydbd size 2.2 GiB changed* by +11.6 KiB, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: 8e1dd06	merge: 0a0e8e7	diff	diff %
ydbd size	2 326 719 760 Bytes	2 326 731 656 Bytes	+11.6 KiB	+0.001%
ydbd stripped size	487 545 416 Bytes	487 547 592 Bytes	+2.1 KiB	+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]

🟢 2025-10-08 13:41:53 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-10-08 13:23:49 UTC Pre-commit check linux-x86_64-release-asan for 0a0e8e7 has started.
⚪ 2025-10-08 13:24:29 UTC Artifacts will be uploaded here
⚪ 2025-10-08 13:27:42 UTC ya make is running...
🟡 2025-10-08 14:45:51 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?
12997	12784	0	65	116	32

⚪ 2025-10-08 14:47:01 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-08 15:06:27 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?
261 (only retried tests)	188	0	3	41	29

⚪ 2025-10-08 15:06:37 UTC ya make is running... (failed tests rerun, try 3)
🟢 2025-10-08 15:21:10 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
100 (only retried tests)	69	0	0	3	28

🟢 2025-10-08 15:21:19 UTC Build successful.
🟢 2025-10-08 15:21:42 UTC ydbd size 3.8 GiB changed* by +25.7 KiB, which is < 100.0 KiB vs stable-25-2-1: OK

ydbd size dash	stable-25-2-1: 8e1dd06	merge: 0a0e8e7	diff	diff %
ydbd size	4 049 401 736 Bytes	4 049 428 056 Bytes	+25.7 KiB	+0.001%
ydbd stripped size	1 409 486 296 Bytes	1 409 493 880 Bytes	+7.4 KiB	+0.001%

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