verify in show create table

[maximyurchuk]

Changelog entry

...

Changelog category

• New feature
• Experimental feature
• Improvement
• Performance improvement
• User Interface
• Bugfix
• Backward incompatible change
• Documentation (changelog entry is not required)
• Not for changelog (changelog entry is not required)

Description for reviewers

...

[ydbot]

Run Extra Tests

Run additional tests for this PR. You can customize:

• Test Size: small, medium, large (default: all)
• Test Targets: any directory path (default: ydb/)
• Sanitizers: ASAN, MSAN, TSAN
• Coredumps: enable for debugging (default: off)
• Additional args: custom ya make arguments

[github-actions]

⚪ 2025-12-08 19:00:03 UTC Pre-commit check linux-x86_64-relwithdebinfo for 7443637 has started.
⚪ 2025-12-08 19:00:21 UTC Artifacts will be uploaded here
⚪ 2025-12-08 19:02:26 UTC ya make is running...
🟡 2025-12-08 19:14:17 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
9	5	0	4	0	0

⚪ 2025-12-08 19:14:23 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-12-08 19:27:14 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?
5 (only retried tests)	1	0	4	0	0

⚪ 2025-12-08 19:27:22 UTC ya make is running... (failed tests rerun, try 3)
🔴 2025-12-08 19:38:50 UTC Some tests failed, follow the links below.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
5 (only retried tests)	1	0	4	0	0

🟢 2025-12-08 19:38:57 UTC Build successful.
🟢 2025-12-08 19:39:12 UTC ydbd size 2.3 GiB changed* by -1.6 MiB, which is <= 0 Bytes vs main: OK

ydbd size dash	main: 33bff08	merge: 7443637	diff	diff %
ydbd size	2 467 827 992 Bytes	2 466 169 536 Bytes	-1.6 MiB	-0.067%
ydbd stripped size	525 130 656 Bytes	524 847 552 Bytes	-276.5 KiB	-0.054%

^{*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]

🔴 2025-12-08 19:00:09 UTC The validation of the Pull Request description has failed. Please update the description.

Only one category can be selected at a time.

[github-actions]

⚪ 2025-12-08 19:00:37 UTC Pre-commit check linux-x86_64-release-asan for 7443637 has started.
⚪ 2025-12-08 19:00:53 UTC Artifacts will be uploaded here
⚪ 2025-12-08 19:03:05 UTC ya make is running...
🟡 2025-12-08 19:15:17 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?
5	1	0	4	0	0

🟢 2025-12-08 19:15:24 UTC Build successful.
🟢 2025-12-08 19:15:43 UTC ydbd size 3.8 GiB changed* by +47.9 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 4921cae	merge: 7443637	diff	diff %
ydbd size	4 129 997 880 Bytes	4 130 046 976 Bytes	+47.9 KiB	+0.001%
ydbd stripped size	1 533 169 816 Bytes	1 533 185 496 Bytes	+15.3 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}