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Subject: [tarantool-patches] Re: [PATCH v1 2/3] sql: rework diag_set() in OP_Halt
References: <cover.1555072183.git.imeevma@gmail.com>
 <79e3d0e51a64bf35cf5b505d2541996f60b02b8c.1555072183.git.imeevma@gmail.com>
 <28C698E1-979F-4148-942E-38DCAE4AE0DD@tarantool.org>
From: Imeev Mergen <imeevma@tarantool.org>
Message-ID: <5d156e98-7b9c-09ec-b14f-3150a6e515c8@tarantool.org>
Date: Mon, 22 Apr 2019 11:24:42 +0300
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To: "n.pettik" <korablev@tarantool.org>, tarantool-patches@freelists.org


On 4/15/19 6:21 PM, n.pettik wrote:
>
>> On 12 Apr 2019, at 15:34, imeevma@tarantool.org wrote:
>>
>> Before this patch it was possible to have an error code with wrong
>> error description. This patch fixes it.
> Could you please supply this statement with an example(s)?

Here it is:

tarantool> box.execute("CREATE TABLE t(a INT PRIMARY KEY, b INT);")
---
- row_count: 1
...

tarantool> box.execute("INSERT INTO t VALUES (1,2), (3,4);")
---
- row_count: 2
...

tarantool> box.execute("SELECT b FROM t WHERE a = (SELECT a FROM t);")
---
- error: 'SQL error: Expression subquery returned more than 1 row'
...

tarantool> box.error.last().code
---
- 159
...


 From the error message, we can say that this is an ER_SQL(160)
error. But this is wrong, as this is an ER_SQL_EXECUTE(159) error.