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From: Nikita Pettik <korablev@tarantool.org>
To: tarantool-patches@dev.tarantool.org
Cc: v.shpilevoy@tarantool.org
Subject: [Tarantool-patches] [PATCH 2/6] sql: fix possible null dereference in sql_expr_coll()
Date: Wed, 27 Nov 2019 15:15:42 +0300	[thread overview]
Message-ID: <1ca68695d7cd7d3d83f4b6829363ef533a23be38.1574846892.git.korablev@tarantool.org> (raw)
In-Reply-To: <cover.1574846892.git.korablev@tarantool.org>
In-Reply-To: <cover.1574846892.git.korablev@tarantool.org>

---
 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
-- 
2.15.1

  parent reply	other threads:[~2019-11-27 12:15 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 ` Nikita Pettik [this message]
2019-11-28 22:42   ` [Tarantool-patches] [PATCH 2/6] sql: fix possible null dereference in sql_expr_coll() Vladislav Shpilevoy
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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