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 Sun,  3 May 2020 21:47:16 +0300 (MSK)
References: <20200428161137.20536-1-gorcunov@gmail.com>
 <20200428161137.20536-11-gorcunov@gmail.com>
From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
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Date: Sun, 3 May 2020 20:47:15 +0200
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Subject: Re: [Tarantool-patches] [PATCH 10/17] recovery: recovery_scan --
 don't throw exception
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To: Cyrill Gorcunov <gorcunov@gmail.com>, tml <tarantool-patches@dev.tarantool.org>

Thanks for the patch!

See 2 comments below.

> diff --git a/src/box/recovery.cc b/src/box/recovery.cc
> index 1c7665f87..af7910bdf 100644
> --- a/src/box/recovery.cc
> +++ b/src/box/recovery.cc
> @@ -134,12 +135,19 @@ recovery_scan(struct recovery *r, struct vclock *end_vclock,
>  
>  	/* Scan the last xlog to find end vclock. */
>  	struct xlog_cursor cursor;
> -	if (xdir_open_cursor(&r->wal_dir, vclock_sum(end_vclock), &cursor) != 0)
> -		return;
> +	if (xdir_open_cursor(&r->wal_dir, vclock_sum(end_vclock), &cursor) != 0) {

1. This becomes out of 80 symbols now. I propose to wrap '&cursor'
on the next line.

> +		/*
> +		 * FIXME: Why do we ignore errors?!

2. Since we are talking about this, we also skip
xlog_cursor_next() returning -1 below.

> +		 */
> +		return 0;
> +	}
> +
>  	struct xrow_header row;
>  	while (xlog_cursor_next(&cursor, &row, true) == 0)
>  		vclock_follow_xrow(end_vclock, &row);
> +
>  	xlog_cursor_close(&cursor, false);
> +	return 0;
>  }