Hi, Oleksandr!
Looks good. Thanks for tests.
Ok to push.
One comment, see below.
On Mar 25, Oleksandr Byelkin wrote:
> revision-id: fc90a39426c (mariadb-10.2.31-87-gfc90a39426c)
> parent(s): fb74de97287
> author: Oleksandr Byelkin <sa...@mariadb.com>
> committer: Oleksandr Byelkin <sa...@mariadb.com>
> timestamp: 2020-03-24 10:34:14 +0100
> message:
>
> MDEV-20604: Duplicate key value is silently truncated to 64 characters in
> print_keydup_error
>
> Added indication of truncated string for "s" and "M" formats
>
> diff --git a/unittest/mysys/my_vsnprintf-t.c b/unittest/mysys/my_vsnprintf-t.c
> index 6ba0a42cf7e..872e88ddd7e 100644
> --- a/unittest/mysys/my_vsnprintf-t.c
> +++ b/unittest/mysys/my_vsnprintf-t.c
> @@ -168,14 +184,14 @@ int main(void)
> test1("M with positional: 0 \"Internal error/check (Not system error)\"",
> "M with positional: %1$M", 0);
>
> - test1("M with width: 0 \"Internal error/ch",
> + test1("M with width: 0 \"Internal error...",
> "M with width: %.20M", 0);
> - test1("M with width positional: 0 \"Internal error/ch",
> + test1("M with width positional: 0 \"Internal error...",
> "M with width positional: %2$.*1$M", 20, 0);
>
> - test_w_len("M small buf: 0 \"In",
> + test_w_len("M small buf: 0 \"..",
> 19, "M small buf: %M", 0);
> - test_w_len("M small buf positional: 0 \"In",
> + test_w_len("M small buf positional: 0 \"..",
> 30, "M small buf positional: %1$M", 0);
>
> return exit_status();
We didn't discuss truncation when the buffer is too small, only
truncation by width. It's not at all clear why truncation by small
buffer should also use ellipsis. But it's not clear that it shouldn't
either. I don't have a strong opinion in favor of either, so feel free
to keep it your way.
Regards,
Sergei
VP of MariaDB Server Engineering
and secur...@mariadb.org
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