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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 v4 31/53] sql: introduce mem_copy_binary()
Date: Tue, 30 Mar 2021 01:05:32 +0200	[thread overview]
Message-ID: <929d12f8-5ef1-ddbd-19cd-08b9007700f3@tarantool.org> (raw)
In-Reply-To: <a4399ec4df74dfbf7345e0730365f53d34507630.1616491731.git.imeevma@gmail.com>

Thanks for the patch!

On 23.03.2021 10:36, Mergen Imeev via Tarantool-patches wrote:
> This patch introduces mem_copy_binary() function. Function
> mem_copy_binary() clears MEM, allocates enough memory and copies given
> binary to allocated memory.
> 
> Part of #5818
> ---
>  src/box/sql/mem.c      | 14 ++++++++++++++
>  src/box/sql/mem.h      |  3 +++
>  src/box/sql/vdbe.c     |  7 ++-----
>  src/box/sql/vdbeapi.c  |  4 ++--
>  src/box/sql/vdbesort.c |  6 +-----
>  5 files changed, 22 insertions(+), 12 deletions(-)
> 
> diff --git a/src/box/sql/mem.c b/src/box/sql/mem.c
> index 5ee49cdca..99beec9ad 100644
> --- a/src/box/sql/mem.c
> +++ b/src/box/sql/mem.c
> @@ -465,6 +465,20 @@ mem_set_allocated_binary(struct Mem *mem, char *value, uint32_t size)
>  	mem_set_dyn_bin(mem, value, size, 0);
>  }
>  
> +int
> +mem_copy_binary(struct Mem *mem, const char *value, uint32_t size)
> +{

What if mem is not a binary now? What if it is a frame? Why don't you clear it?

> +	bool is_own_value = (mem->flags & MEM_Blob) != 0 && mem->z == value;
> +	if (sqlVdbeMemGrow(mem, size, is_own_value) != 0)
> +		return -1;
> +	if (!is_own_value)
> +		memcpy(mem->z, value, size);
> +	mem->n = size;
> +	mem->flags = MEM_Blob;
> +	mem->field_type = FIELD_TYPE_VARBINARY;
> +	return 0;
> +}

  reply	other threads:[~2021-03-29 23:07 UTC|newest]

Thread overview: 90+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-23  9:34 [Tarantool-patches] [PATCH v4 00/53] Move mem-related functions to mem.c/mem.h Mergen Imeev via Tarantool-patches
2021-03-23  9:34 ` [Tarantool-patches] [PATCH v4 01/53] sql: enchance vdbe_decode_msgpack_into_mem() Mergen Imeev via Tarantool-patches
2021-03-29 22:57   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:34 ` [Tarantool-patches] [PATCH v4 02/53] sql: disable unused code in sql/analyze.c Mergen Imeev via Tarantool-patches
2021-03-23  9:34 ` [Tarantool-patches] [PATCH v4 03/53] sql: disable unused code in sql/legacy.c Mergen Imeev via Tarantool-patches
2021-03-23  9:34 ` [Tarantool-patches] [PATCH v4 04/53] sql: remove NULL-termination in OP_ResultRow Mergen Imeev via Tarantool-patches
2021-03-23  9:34 ` [Tarantool-patches] [PATCH v4 05/53] sql: move MEM-related functions to mem.c/mem.h Mergen Imeev via Tarantool-patches
2021-03-29 22:58   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 06/53] sql: remove unused MEM-related functions Mergen Imeev via Tarantool-patches
2021-03-29 22:58   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 07/53] sql: disable unused code in sql/vdbemem.c Mergen Imeev via Tarantool-patches
2021-03-29 22:58   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 08/53] sql: introduce mem_str() Mergen Imeev via Tarantool-patches
2021-03-29 22:58   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 09/53] sql: introduce mem_create() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 10/53] sql: introduce mem_destroy() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 11/53] sql: introduce mem_is_*() functions() Mergen Imeev via Tarantool-patches
2021-03-29 23:01   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 12/53] sql: introduce mem_copy() Mergen Imeev via Tarantool-patches
2021-03-29 23:01   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 13/53] sql: introduce mem_copy_as_ephemeral() Mergen Imeev via Tarantool-patches
2021-03-29 23:01   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 14/53] sql: rework mem_move() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 15/53] sql: rework vdbe_decode_msgpack_into_mem() Mergen Imeev via Tarantool-patches
2021-03-29 23:02   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 16/53] sql: remove sql_column_to_messagepack() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 17/53] sql: introduce mem_concat() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 18/53] sql: introduce mem_arithmetic() Mergen Imeev via Tarantool-patches
2021-03-29 23:02   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 19/53] sql: introduce mem_compare() Mergen Imeev via Tarantool-patches
2021-03-29 23:03   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 20/53] sql: introduce mem_bitwise() Mergen Imeev via Tarantool-patches
2021-03-29 23:03   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 21/53] sql: introduce mem_bit_not() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 22/53] sql: Initialize MEM in sqlVdbeAllocUnpackedRecord() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 23/53] sql: introduce mem_set_null() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 24/53] sql: introduce mem_set_integer() Mergen Imeev via Tarantool-patches
2021-03-29 23:04   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 25/53] sql: introduce mem_set_unsigned() Mergen Imeev via Tarantool-patches
2021-03-29 23:04   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 26/53] sql: introduce mem_set_boolean() Mergen Imeev via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 27/53] sql: refactor mem_set_double() Mergen Imeev via Tarantool-patches
2021-03-29 23:04   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 28/53] sql: refactor mem_set_*_string() Mergen Imeev via Tarantool-patches
2021-03-29 23:05   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:35 ` [Tarantool-patches] [PATCH v4 29/53] sql: introduce mem_copy_string() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 30/53] sql: introduce mem_set_*_binary() Mergen Imeev via Tarantool-patches
2021-03-29 23:05   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 31/53] sql: introduce mem_copy_binary() Mergen Imeev via Tarantool-patches
2021-03-29 23:05   ` Vladislav Shpilevoy via Tarantool-patches [this message]
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 32/53] sql: introduce mem_set_zerobinary() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 33/53] sql: introduce mem_append_to_binary() Mergen Imeev via Tarantool-patches
2021-03-29 23:05   ` Vladislav Shpilevoy via Tarantool-patches
2021-04-09 19:52     ` Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 34/53] sql: introduce mem_set_*_map() and mem_set_*_array() Mergen Imeev via Tarantool-patches
2021-03-29 23:05   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 35/53] sql: introduce mem_set_undefined() Mergen Imeev via Tarantool-patches
2021-03-29 23:06   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 36/53] sql: introduce mem_set_pointer() Mergen Imeev via Tarantool-patches
2021-03-29 23:06   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 37/53] sql: introduce mem_set_frame() Mergen Imeev via Tarantool-patches
2021-03-29 23:06   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 38/53] sql: introduce mem_*_aggregate() Mergen Imeev via Tarantool-patches
2021-03-29 23:06   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 39/53] sql: introduce mem_set_cleared() Mergen Imeev via Tarantool-patches
2021-03-29 23:07   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 40/53] sql: move MEM flags to mem.c Mergen Imeev via Tarantool-patches
2021-03-29 23:07   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 41/53] sql: introduce mem_convert_to_integer() Mergen Imeev via Tarantool-patches
2021-03-29 23:07   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 42/53] sql: introduce mem_convert_to_double() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 43/53] sql: introduce mem_convert_to_number() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 44/53] sql: introduce mem_convert_to_string() Mergen Imeev via Tarantool-patches
2021-03-29 23:07   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 45/53] sql: introduce mem_explicit_cast() Mergen Imeev via Tarantool-patches
2021-03-29 23:08   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 46/53] sql: introduce mem_implicit_cast() Mergen Imeev via Tarantool-patches
2021-03-29 23:08   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 47/53] sql: introduce mem_get_integer() Mergen Imeev via Tarantool-patches
2021-03-29 23:08   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 48/53] sql: introduce mem_get_unsigned() Mergen Imeev via Tarantool-patches
2021-03-29 23:08   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 49/53] sql: introduce mem_get_double() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 50/53] sql: introduce mem_get_boolean() Mergen Imeev via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 51/53] sql: introduce mem_get_string0() Mergen Imeev via Tarantool-patches
2021-03-29 23:08   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 52/53] sql: introduce mem_get_binary() Mergen Imeev via Tarantool-patches
2021-03-29 23:09   ` Vladislav Shpilevoy via Tarantool-patches
2021-03-23  9:36 ` [Tarantool-patches] [PATCH v4 53/53] sql: introduce mem_get_length() Mergen Imeev via Tarantool-patches
2021-03-29 23:09   ` Vladislav Shpilevoy via Tarantool-patches

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