YDB FQ: support REGEXP pushdown for Generic provider

[vitalyisaev2]

Changelog entry

• YDB FQ: support REGEXP pushdown for Generic provider

Changelog category

• New feature

Description for reviewers

...

[github-actions]

⚪ 2025-05-29 14:08:44 UTC Pre-commit check linux-x86_64-relwithdebinfo for f205aee has started.
⚪ 2025-05-29 14:08:55 UTC Artifacts will be uploaded here
⚪ 2025-05-29 14:11:50 UTC ya make is running...
🟡 2025-05-29 15:27:40 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?
28809	26122	0	4	2651	32

⚪ 2025-05-29 15:30:00 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-05-29 16:04:37 UTC Tests successful.

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

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
349 (only retried tests)	320	0	0	0	29

🟢 2025-05-29 16:35:04 UTC Build successful.
🔴 2025-05-29 16:35:22 UTC ydbd size 2.2 GiB changed* by +4.0 MiB, which is >= 2.0 MiB vs main: Alert

ydbd size dash	main: d617cc1	merge: f205aee	diff	diff %
ydbd size	2 358 248 400 Bytes	2 362 414 968 Bytes	+4.0 MiB	+0.177%
ydbd stripped size	495 390 920 Bytes	496 025 064 Bytes	+619.3 KiB	+0.128%

^{*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]

🟢 2025-05-29 14:12:46 UTC The validation of the Pull Request description is successful.

[github-actions]

⚪ 2025-05-29 14:13:30 UTC Pre-commit check linux-x86_64-release-asan for f205aee has started.
⚪ 2025-05-29 14:13:41 UTC Artifacts will be uploaded here
⚪ 2025-05-29 14:16:40 UTC ya make is running...
🟡 2025-05-29 15:51:02 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?
13838	13639	0	86	88	25

⚪ 2025-05-29 15:52:15 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-05-29 16:24:50 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?
1546 (only retried tests)	1464	0	50	7	25

⚪ 2025-05-29 16:25:07 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-05-29 16:57:51 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?
1355 (only retried tests)	1234	0	93	7	21

🟢 2025-05-29 16:58:05 UTC Build successful.
🔴 2025-05-29 16:58:34 UTC ydbd size 3.9 GiB changed* by +7.3 MiB, which is >= 2.0 MiB vs main: Alert

ydbd size dash	main: d617cc1	merge: f205aee	diff	diff %
ydbd size	4 147 273 176 Bytes	4 154 919 960 Bytes	+7.3 MiB	+0.184%
ydbd stripped size	1 440 065 016 Bytes	1 442 218 968 Bytes	+2.1 MiB	+0.150%

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