[tarantool-patches] Re: [PATCH 1/2] sql: allow key_def to be NULL for ephemeral create

[Vladislav Shpilevoy <v.shpilevoy@tarantool.org>]

Thanks for review fixes! See 4 comments below.

On 17/05/2018 18:49, Kirill Yukhin wrote:
> Hi Vlad,
> 
> On 16 мая 18:24, Kirill Yukhin wrote:
>> There're many cases in SQL FE, where exact key def passed to
>> doesn't ephemeral table matter. It is used to store data only.

1. Can't read. Maybe 'where exact key def passed to ephemeral table doesn't matter' ?

>> Only field count makes sense in such a case. Hoewever it is

2. However.

>> passed separately (in P2). So, allow P4 field to be NULL for
>> OP_OpenTEphemeral. Update delte from routine from sql/delete.c

3. delete.

>> accordingly.
>>
>> Part of #3235
> Pasting updated patch from 1st round of review of 1/2 patch.
> 
> diff --git a/src/box/sql/insert.c b/src/box/sql/insert.c
> index 22130ef..1ad7469 100644
> --- a/src/box/sql/insert.c
> +++ b/src/box/sql/insert.c
> @@ -566,13 +566,8 @@ sqlite3Insert(Parse * pParse,	/* Parser context */
>   			regRec = sqlite3GetTempReg(pParse);
>   			regCopy = sqlite3GetTempRange(pParse, nColumn);
>   			regTempId = sqlite3GetTempReg(pParse);
> -			struct key_def *def = key_def_new(nColumn + 1);
> -			if (def == NULL) {
> -				sqlite3OomFault(db);
> -				goto insert_cleanup;
> -			}
>   			sqlite3VdbeAddOp4(v, OP_OpenTEphemeral, srcTab, nColumn+1,
> -					  0, (char*)def, P4_KEYDEF);
> +					  0, (char*)NULL, P4_KEYDEF);

4. In the OP_OpenTEphemeral code you check for P4_KEYDEF absence, so you can use
AddOp2 here. And in other places.