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From: Imeev Mergen <imeevma@tarantool.org>
Message-ID: <82bed7d2-2d0b-f76e-bcf7-797abf9ef14a@tarantool.org>
Date: Fri, 10 Apr 2020 20:06:54 +0300
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Subject: Re: [Tarantool-patches] [PATCH v4 1/3] sql: fix CAST() from STRING
	to INTEGER
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To: Nikita Pettik <korablev@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org


On 4/10/20 4:05 PM, Nikita Pettik wrote:
> On 10 Apr 13:43, Mergen Imeev wrote:
>> Sorry, forgot to answer one question.
>>
>> On Fri, Apr 10, 2020 at 01:39:45PM +0300, Mergen Imeev wrote:
>>> Hi! Thank you for review. My answers and new patch below.
>>>
>>> On Fri, Mar 27, 2020 at 04:46:04PM +0000, Nikita Pettik wrote:
>>>> On 27 Mar 14:33, imeevma@tarantool.org wrote:
>>>>
>>>> Could you please find Peter's table containing current/expected cast
>>>> behaviours and verify that this patch doesn't contradict it?
>>>>
>> Here:
>> https://github.com/tarantool/doc/blob/pgulutzan-2.3/doc/reference/reference_sql/sql.rst
>>
>> ~                To BOOLEAN | To INTEGER | To NUMBER | To STRING | To VARBINARY
>> ---------------  ----------   ----------   ---------   ---------   ------------
>>  From BOOLEAN   | AAA        | A--        | ---       | A--       | ---
>>  From INTEGER   | A--        | AAA        | AAA       | AAA       | ---
>>  From NUMBER    | A--        | SSA        | AAA       | AAA       | ---
>>  From STRING    | S--        | SSS        | SSS       | AAA       | A--
>>  From VARBINARY | ---        | ---        | ---       | A--       | AAA
>>
>> Should be fine since we have S for CAST() and implicit
>> cast from STRING to INTEGER.
> This table describes current behaviour. Could you also find the table
> which shows expected one?
>   
I'm sorry, not sure that I have seen such table for CAST(). Should
I ask Peter?