[Backport stable-25-3] PR #30140: Support ext date types in DqMergeCh

[ydbot]

Changelog entry

Support ext date types in DqMergeCh

Changelog category

• Not for changelog (changelog entry is not required)

Description for reviewers

Original PR(s)

• PR Support ext date types in DqMergeCh #30140

Metadata

• Original PR author(s): @dahbka-lis
• Cherry-picked by: @dahbka-lis
• Related issues: Bug: ORDER BY does not work for Date32 columns #29389

Git Cherry-Pick Log

=== Cherry-picking 34c1681 ===
[cherry-pick-stable-25-3-251206-180119 b98bf7c1de0] Support ext date types in DqMergeCh (#30140)
 Author: Daniil Timižev <[email protected]>
 Date: Sat Dec 6 20:13:29 2025 +0300
 2 files changed, 175 insertions(+), 31 deletions(-)

---

PR was created by cherry-pick workflow run

[github-actions]

🟢 2025-12-06 18:04:37 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-12-06 18:05:24 UTC Pre-commit check linux-x86_64-relwithdebinfo for 7b58d05 has started.
⚪ 2025-12-06 18:05:38 UTC Artifacts will be uploaded here
⚪ 2025-12-06 18:09:11 UTC ya make is running...
🟡 2025-12-06 19:37:34 UTC Some tests failed, follow the links below. Going to retry failed tests...

Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
39243	36567	0	6	2650	20

⚪ 2025-12-06 19:40:38 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-12-06 19:55:38 UTC Tests successful.

Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
556 (only retried tests)	544	0	0	0	12

🟢 2025-12-06 19:55:46 UTC Build successful.
🟢 2025-12-06 19:55:59 UTC ydbd size 2.3 GiB changed* by 0 Bytes, which is <= 0 Bytes vs stable-25-3: OK

ydbd size dash	stable-25-3: 22845bd	merge: 7b58d05	diff	diff %
ydbd size	2 443 670 080 Bytes	2 443 670 080 Bytes	0 Bytes	0.000%
ydbd stripped size	522 989 480 Bytes	522 989 480 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]

⚪ 2025-12-06 18:05:58 UTC Pre-commit check linux-x86_64-release-asan for 7b58d05 has started.
⚪ 2025-12-06 18:06:13 UTC Artifacts will be uploaded here
⚪ 2025-12-06 18:09:48 UTC ya make is running...
🟡 2025-12-06 20:15:19 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?
16368	15917	0	180	241	30

🟢 2025-12-06 20:16:35 UTC Build successful.
🟢 2025-12-06 20:17:04 UTC ydbd size 3.8 GiB changed* by -112 Bytes, which is <= 0 Bytes vs stable-25-3: OK

ydbd size dash	stable-25-3: 22845bd	merge: 7b58d05	diff	diff %
ydbd size	4 067 113 544 Bytes	4 067 113 432 Bytes	-112 Bytes	-0.000%
ydbd stripped size	1 515 153 760 Bytes	1 515 153 696 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}