[stable-25-3] 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 13:38:26 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3f0793c has started.
⚪ 2025-10-08 13:38:40 UTC Artifacts will be uploaded here
⚪ 2025-10-08 13:42:21 UTC ya make is running...
🟡 2025-10-08 15:17:56 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
38309	35628	0	4	2651	26

⚪ 2025-10-08 15:21:29 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-10-08 15:47:36 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
576 (only retried tests)	551	0	1	1	23

⚪ 2025-10-08 15:47:47 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-10-08 16:08:35 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
560 (only retried tests)	539	0	1	2	18

🟢 2025-10-08 16:08:45 UTC Build successful.
🟢 2025-10-08 16:09:12 UTC ydbd size 2.3 GiB changed* by +13.7 KiB, which is < 100.0 KiB vs stable-25-3: OK

ydbd size dash	stable-25-3: 9596710	merge: 3f0793c	diff	diff %
ydbd size	2 431 923 336 Bytes	2 431 937 344 Bytes	+13.7 KiB	+0.001%
ydbd stripped size	520 956 264 Bytes	520 958 952 Bytes	+2.6 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}

[github-actions]

⚪ 2025-10-08 13:38:56 UTC Pre-commit check linux-x86_64-release-asan for 3f0793c has started.
⚪ 2025-10-08 13:39:09 UTC Artifacts will be uploaded here
⚪ 2025-10-08 13:42:41 UTC ya make is running...
🟡 2025-10-08 15:45:38 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
15651	15217	0	167	246	21

🟢 2025-10-08 15:47:01 UTC Build successful.
🟢 2025-10-08 15:47:24 UTC ydbd size 3.8 GiB changed* by +23.2 KiB, which is < 100.0 KiB vs stable-25-3: OK

ydbd size dash	stable-25-3: 9596710	merge: 3f0793c	diff	diff %
ydbd size	4 046 244 848 Bytes	4 046 268 576 Bytes	+23.2 KiB	+0.001%
ydbd stripped size	1 507 294 720 Bytes	1 507 302 176 Bytes	+7.3 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 13:42:06 UTC The validation of the Pull Request description is successful.