Fix incorrect DC comparison

[alexvru]

Changelog entry

Fix incorrect DC comparison

Changelog category

• Not for changelog (changelog entry is not required)

Additional information

Fixed incorrect TString comparison with numeric 0.

[github-actions]

⚪ 2024-09-04 14:30:34 UTC Pre-commit check linux-x86_64-release-clang14 for ed2dbde has started.
⚫ 2024-09-04 14:31:55 UTC Check cancelled

[github-actions]

⚪ 2024-09-04 14:33:27 UTC Pre-commit check linux-x86_64-relwithdebinfo for e9ef4e0 has started.
⚪ 2024-09-04 14:36:15 UTC ya make is running...
🟡 2024-09-04 15:37:42 UTC Some tests failed, follow the links below. Going to retry failed tests...

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14700	13245	0	71	1363	21

⚪ 2024-09-04 15:39:15 UTC ya make is running... (failed tests rerun, try 2)
🟢 2024-09-04 15:48:14 UTC Tests successful.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
104 (only retried tests)	89	0	0	0	15

🟢 2024-09-04 15:48:21 UTC Build successful.
🟡 2024-09-04 15:49:02 UTC ydbd size 8.3 GiB changed* by +186.0 KiB, which is >= 100.0 KiB vs main: Warning

ydbd size dash	main: dfa0721	merge: e9ef4e0	diff	diff %
ydbd size	8 922 565 592 Bytes	8 922 756 032 Bytes	+186.0 KiB	+0.002%
ydbd stripped size	481 974 600 Bytes	481 976 840 Bytes	+2.2 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]

⚪ 2024-09-04 14:35:05 UTC Pre-commit check linux-x86_64-release-asan for e9ef4e0 has started.
⚪ 2024-09-04 14:37:49 UTC ya make is running...
🔴 2024-09-04 16:14:29 UTC Some tests failed, follow the links below.

Test history | Ya make output

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
10085	10013	0	19	28	25

🟢 2024-09-04 16:15:23 UTC Build successful.
🟢 2024-09-04 16:15:51 UTC ydbd size 5.5 GiB changed* by +1.4 KiB, which is < 100.0 KiB vs main: OK

ydbd size dash	main: 0ba24ba	merge: e9ef4e0	diff	diff %
ydbd size	5 957 884 688 Bytes	5 957 886 144 Bytes	+1.4 KiB	+0.000%
ydbd stripped size	1 490 148 432 Bytes	1 490 148 368 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}

[github-actions]

⚪ 2024-09-04 14:35:26 UTC Pre-commit check linux-x86_64-release-clang14 for e9ef4e0 has started.
⚪ 2024-09-04 14:38:32 UTC ya make is running...
🟢 2024-09-04 14:44:31 UTC Build successful.