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From: Vladislav Shpilevoy <v.shpilevoy@tarantool.org>
To: Nikita Pettik <korablev@tarantool.org>,
	tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH 2/6] sql: fix possible null dereference in sql_expr_coll()
Date: Thu, 28 Nov 2019 23:42:02 +0100	[thread overview]
Message-ID: <e2f296f9-a140-b9a8-c578-0fa3b006ec89@tarantool.org> (raw)
In-Reply-To: <1ca68695d7cd7d3d83f4b6829363ef533a23be38.1574846892.git.korablev@tarantool.org>

Thanks for the patch!

Is it possible to test this?

On 27/11/2019 13:15, Nikita Pettik wrote:
> ---
>  src/box/sql/expr.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/src/box/sql/expr.c b/src/box/sql/expr.c
> index 648b7170e..0bdcfe576 100644
> --- a/src/box/sql/expr.c
> +++ b/src/box/sql/expr.c
> @@ -332,7 +332,8 @@ sql_expr_coll(Parse *parse, Expr *p, bool *is_explicit_coll, uint32_t *coll_id,
>  				sql_func_by_signature(p->u.zToken, arg_count);
>  			if (func == NULL)
>  				break;
> -			if (sql_func_flag_is_set(func, SQL_FUNC_DERIVEDCOLL)) {
> +			if (sql_func_flag_is_set(func, SQL_FUNC_DERIVEDCOLL) &&
> +			    arg_count > 0) {
>  				/*
>  				 * Now we use quite straightforward
>  				 * approach assuming that resulting
> 

  reply	other threads:[~2019-11-28 22:42 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-27 12:15 [Tarantool-patches] [PATCH 0/6] sql: extend response metadata Nikita Pettik
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 1/6] sql: refactor resulting set metadata Nikita Pettik
2019-11-28 22:41   ` Vladislav Shpilevoy
2019-12-05 11:39     ` Nikita Pettik
2019-12-05 23:58       ` Vladislav Shpilevoy
2019-12-06 12:48         ` Nikita Pettik
2019-12-17 13:23   ` Sergey Ostanevich
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 2/6] sql: fix possible null dereference in sql_expr_coll() Nikita Pettik
2019-11-28 22:42   ` Vladislav Shpilevoy [this message]
2019-12-05 11:40     ` Nikita Pettik
2019-12-05 23:59       ` Vladislav Shpilevoy
2019-12-06 12:48         ` Nikita Pettik
2019-12-17 13:30           ` Sergey Ostanevich
2019-12-17 14:44             ` Nikita Pettik
2019-12-17 19:53               ` Nikita Pettik
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 3/6] sql: extend result set with collation Nikita Pettik
2019-11-28 22:41   ` Vladislav Shpilevoy
2019-12-05 11:50     ` Nikita Pettik
2019-12-18 11:08   ` Sergey Ostanevich
2019-12-24  0:44     ` Nikita Pettik
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 4/6] sql: extend result set with nullability Nikita Pettik
2019-11-28 22:41   ` Vladislav Shpilevoy
2019-12-05 11:50     ` Nikita Pettik
2019-12-06  0:00       ` Vladislav Shpilevoy
2019-12-06 12:49         ` Nikita Pettik
2019-12-18 13:31   ` Sergey Ostanevich
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 5/6] sql: extend result set with autoincrement Nikita Pettik
2019-11-28 22:41   ` Vladislav Shpilevoy
2019-12-05 11:51     ` Nikita Pettik
2019-12-18 15:17   ` Sergey Ostanevich
2019-12-24  0:47     ` Nikita Pettik
2019-11-27 12:15 ` [Tarantool-patches] [PATCH 6/6] sql: extend result set with alias Nikita Pettik
2019-11-28 22:41   ` Vladislav Shpilevoy
2019-12-05 11:51     ` Nikita Pettik
2019-12-06  0:02       ` Vladislav Shpilevoy
2019-12-06 12:50         ` Nikita Pettik
2019-12-06 21:52           ` Vladislav Shpilevoy
2019-12-19 15:17   ` Sergey Ostanevich
2019-12-24  0:27     ` Nikita Pettik
2019-11-28 22:55 ` [Tarantool-patches] [PATCH 0/6] sql: extend response metadata Vladislav Shpilevoy

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