From: Vladislav Shpilevoy via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: imeevma@tarantool.org, tsafin@tarantool.org
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH v5 14/52] sql: introduce mem_copy_as_ephemeral()
Date: Sun, 11 Apr 2021 20:10:19 +0200 [thread overview]
Message-ID: <0dc519d0-2c2c-4d88-0efa-f1dff782b9cc@tarantool.org> (raw)
In-Reply-To: <91cec4dbcc1d931b70cdba3c70d77e7c58a00675.1617984948.git.imeevma@gmail.com>
Thanks for working on this!
>>> @@ -593,9 +598,12 @@ sqlVdbeMemAboutToChange(Vdbe * pVdbe, Mem * pMem)
>>> int i;
>>> Mem *pX;
>>> for (i = 0, pX = pVdbe->aMem; i < pVdbe->nMem; i++, pX++) {
>>> - if (pX->pScopyFrom == pMem) {
>>> - pX->flags |= MEM_Undefined;
>>> - pX->pScopyFrom = 0;
>>> + if ((pX->flags & (MEM_Blob | MEM_Str)) != 0 &&
>>> + (pX->flags & (MEM_Ephem | MEM_Static)) == 0) {
>>> + if (pX->pScopyFrom == pMem) {
>>> + pX->flags |= MEM_Undefined;
>>> + pX->pScopyFrom = 0;
>>> + }
>>
>> 2. Why did you change that?
>>
> This check is only useful for strings and binaries, since they may be lost due
> to change of another MEM. Also, due to this function it was possible that value
> of type other than MEM_Blob or MEM_Str will have MEM_Ephem set. This is wrong, I
> believe.
Due to which function? sqlVdbeMemAboutToChange() does not set MEM_Ephem.
next prev parent reply other threads:[~2021-04-11 18:10 UTC|newest]
Thread overview: 107+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-09 16:51 [Tarantool-patches] [PATCH v5 00/52] Move mem-related functions to mem.c/mem.h Mergen Imeev via Tarantool-patches
2021-04-09 16:51 ` [Tarantool-patches] [PATCH v5 01/52] sql: enhance vdbe_decode_msgpack_into_mem() Mergen Imeev via Tarantool-patches
2021-04-11 17:42 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 12:01 ` Mergen Imeev via Tarantool-patches
2021-04-13 12:12 ` Mergen Imeev via Tarantool-patches
2021-04-13 23:22 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 23:34 ` Mergen Imeev via Tarantool-patches
2021-04-09 16:51 ` [Tarantool-patches] [PATCH v5 02/52] sql: disable unused code in sql/analyze.c Mergen Imeev via Tarantool-patches
2021-04-09 16:51 ` [Tarantool-patches] [PATCH v5 03/52] sql: disable unused code in sql/legacy.c Mergen Imeev via Tarantool-patches
2021-04-09 16:51 ` [Tarantool-patches] [PATCH v5 04/52] sql: remove NULL-termination in OP_ResultRow Mergen Imeev via Tarantool-patches
2021-04-14 22:23 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 22:37 ` Mergen Imeev via Tarantool-patches
2021-04-09 16:51 ` [Tarantool-patches] [PATCH v5 05/52] sql: move MEM-related functions to mem.c/mem.h Mergen Imeev via Tarantool-patches
2021-04-09 16:59 ` [Tarantool-patches] [PATCH v5 06/52] sql: refactor port_vdbemem_*() functions Mergen Imeev via Tarantool-patches
2021-04-09 16:59 ` [Tarantool-patches] [PATCH v5 07/52] sql: remove unused MEM-related functions Mergen Imeev via Tarantool-patches
2021-04-09 16:59 ` [Tarantool-patches] [PATCH v5 08/52] sql: disable unused code in sql/vdbemem.c Mergen Imeev via Tarantool-patches
2021-04-09 16:59 ` [Tarantool-patches] [PATCH v5 09/52] sql: introduce mem_str() Mergen Imeev via Tarantool-patches
2021-04-11 17:44 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 12:36 ` Mergen Imeev via Tarantool-patches
2021-04-14 22:23 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 22:42 ` Mergen Imeev via Tarantool-patches
2021-04-09 16:59 ` [Tarantool-patches] [PATCH v5 10/52] sql: introduce mem_create() Mergen Imeev via Tarantool-patches
2021-04-09 17:36 ` [Tarantool-patches] [PATCH v5 11/52] sql: introduce mem_destroy() Mergen Imeev via Tarantool-patches
2021-04-11 17:46 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 12:42 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:36 ` [Tarantool-patches] [PATCH v5 12/52] sql: introduce mem_is_*() functions() Mergen Imeev via Tarantool-patches
2021-04-11 17:59 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 16:09 ` Mergen Imeev via Tarantool-patches
2021-04-14 22:48 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 23:07 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:36 ` [Tarantool-patches] [PATCH v5 13/52] sql: introduce mem_copy() Mergen Imeev via Tarantool-patches
2021-04-11 18:06 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 16:18 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:36 ` [Tarantool-patches] [PATCH v5 14/52] sql: introduce mem_copy_as_ephemeral() Mergen Imeev via Tarantool-patches
2021-04-11 18:10 ` Vladislav Shpilevoy via Tarantool-patches [this message]
2021-04-13 16:31 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:37 ` [Tarantool-patches] [PATCH v5 15/52] sql: rework mem_move() Mergen Imeev via Tarantool-patches
2021-04-11 18:10 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 16:38 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:57 ` [Tarantool-patches] [PATCH v5 16/52] sql: rework vdbe_decode_msgpack_into_mem() Mergen Imeev via Tarantool-patches
2021-04-09 17:57 ` [Tarantool-patches] [PATCH v5 17/52] sql: remove sql_column_to_messagepack() Mergen Imeev via Tarantool-patches
2021-04-14 22:58 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 23:14 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:57 ` [Tarantool-patches] [PATCH v5 18/52] sql: introduce mem_concat() Mergen Imeev via Tarantool-patches
2021-04-11 18:11 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 16:57 ` Mergen Imeev via Tarantool-patches
2021-04-14 23:04 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 23:22 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:57 ` [Tarantool-patches] [PATCH v5 19/52] sql: introduce arithmetic operations for MEM Mergen Imeev via Tarantool-patches
2021-04-11 18:13 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 17:06 ` Mergen Imeev via Tarantool-patches
2021-04-14 23:10 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 23:33 ` Mergen Imeev via Tarantool-patches
2021-04-09 17:57 ` [Tarantool-patches] [PATCH v5 20/52] sql: introduce mem_compare() Mergen Imeev via Tarantool-patches
2021-04-11 18:16 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 18:33 ` Mergen Imeev via Tarantool-patches
2021-04-14 23:20 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-14 23:40 ` Mergen Imeev via Tarantool-patches
2021-04-09 18:11 ` [Tarantool-patches] [PATCH v5 21/52] sql: introduce bitwise operations for MEM Mergen Imeev via Tarantool-patches
2021-04-12 23:31 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 20:49 ` Mergen Imeev via Tarantool-patches
2021-04-09 18:11 ` [Tarantool-patches] [PATCH v5 22/52] sql: Initialize MEM in sqlVdbeAllocUnpackedRecord() Mergen Imeev via Tarantool-patches
2021-04-09 18:11 ` [Tarantool-patches] [PATCH v5 23/52] sql: introduce mem_set_null() Mergen Imeev via Tarantool-patches
2021-04-09 18:11 ` [Tarantool-patches] [PATCH v5 24/52] sql: introduce mem_set_int() Mergen Imeev via Tarantool-patches
2021-04-12 23:32 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 20:56 ` Mergen Imeev via Tarantool-patches
2021-04-09 18:11 ` [Tarantool-patches] [PATCH v5 25/52] sql: introduce mem_set_uint() Mergen Imeev via Tarantool-patches
2021-04-09 19:45 ` [Tarantool-patches] [PATCH v5 26/52] sql: move mem_set_bool() and mem_set_double() Mergen Imeev via Tarantool-patches
2021-04-09 19:45 ` [Tarantool-patches] [PATCH v5 27/52] sql: introduce mem_set_str_*() functions Mergen Imeev via Tarantool-patches
2021-04-12 23:34 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 21:36 ` Mergen Imeev via Tarantool-patches
2021-04-14 23:49 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-15 1:25 ` Mergen Imeev via Tarantool-patches
2021-04-09 19:45 ` [Tarantool-patches] [PATCH v5 28/52] sql: introduce mem_copy_str() and mem_copy_str0() Mergen Imeev via Tarantool-patches
2021-04-12 23:35 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:00 ` Mergen Imeev via Tarantool-patches
2021-04-14 23:54 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-15 0:30 ` Mergen Imeev via Tarantool-patches
2021-04-09 19:45 ` [Tarantool-patches] [PATCH v5 29/52] sql: introduce mem_set_bin_*() functions Mergen Imeev via Tarantool-patches
2021-04-09 19:45 ` [Tarantool-patches] [PATCH v5 30/52] sql: introduce mem_copy_bin() Mergen Imeev via Tarantool-patches
2021-04-12 23:36 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:06 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:05 ` [Tarantool-patches] [PATCH v5 31/52] sql: introduce mem_set_zerobin() Mergen Imeev via Tarantool-patches
2021-04-09 20:05 ` [Tarantool-patches] [PATCH v5 32/52] sql: introduce mem_set_*() for map and array Mergen Imeev via Tarantool-patches
2021-04-12 23:36 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:08 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:05 ` [Tarantool-patches] [PATCH v5 33/52] sql: introduce mem_set_invalid() Mergen Imeev via Tarantool-patches
2021-04-09 20:05 ` [Tarantool-patches] [PATCH v5 34/52] sql: refactor mem_set_ptr() Mergen Imeev via Tarantool-patches
2021-04-09 20:05 ` [Tarantool-patches] [PATCH v5 35/52] sql: introduce mem_set_frame() Mergen Imeev via Tarantool-patches
2021-04-12 23:37 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:19 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:25 ` [Tarantool-patches] [PATCH v5 36/52] sql: introduce mem_set_agg() Mergen Imeev via Tarantool-patches
2021-04-12 23:37 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:46 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:25 ` [Tarantool-patches] [PATCH v5 37/52] sql: introduce mem_set_null_clear() Mergen Imeev via Tarantool-patches
2021-04-12 23:38 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:50 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:25 ` [Tarantool-patches] [PATCH v5 38/52] sql: move MEM flags to mem.c Mergen Imeev via Tarantool-patches
2021-04-13 20:42 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:25 ` [Tarantool-patches] [PATCH v5 39/52] sql: introduce mem_to_int*() functions Mergen Imeev via Tarantool-patches
2021-04-12 23:39 ` Vladislav Shpilevoy via Tarantool-patches
2021-04-13 22:58 ` Mergen Imeev via Tarantool-patches
2021-04-13 23:10 ` Mergen Imeev via Tarantool-patches
2021-04-09 20:26 ` [Tarantool-patches] [PATCH v5 40/52] sql: introduce mem_to_double() Mergen Imeev via Tarantool-patches
2021-04-13 23:21 ` Mergen Imeev via Tarantool-patches
2021-04-15 0:39 ` [Tarantool-patches] [PATCH v5 00/52] Move mem-related functions to mem.c/mem.h Vladislav Shpilevoy via Tarantool-patches
2021-04-15 6:49 ` Kirill Yukhin via Tarantool-patches
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