From: Nikita Pettik <korablev@tarantool.org>
To: Konstantin Osipov <kostja.osipov@gmail.com>,
tarantool-patches@dev.tarantool.org, v.shpilevoy@tarantool.org
Subject: Re: [Tarantool-patches] [PATCH v2 11/16] sql: introduce sql_stmt_sizeof() function
Date: Fri, 13 Dec 2019 16:56:38 +0300 [thread overview]
Message-ID: <20191213135638.GA92278@tarantool.org> (raw)
In-Reply-To: <20191204115954.GM6592@atlas>
On 04 Dec 14:59, Konstantin Osipov wrote:
> * Nikita Pettik <korablev@tarantool.org> [19/11/21 10:00]:
> > To implement memory quota of prepared statement cache, we have to
> > estimate size of prepared statement. This function attempts at that.
>
> I suggest sql_stmt_est_size() as the name.
OK, renamed.
> I would add size-caching right away, to make this function cheap.
>
> if (size != 0)
> return size;
Does it make any sense? Now for one VM instance it can be called at
most three times: twice during insertion and once during deletion.
> I wonder if we could use another region for the bytecode to
> make this quick & cheap to maintain...
>
> I don't want to sidetrack this work, though.
>
> So lgtm.
>
>
> --
> Konstantin Osipov, Moscow, Russia
next prev parent reply other threads:[~2019-12-13 13:56 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-20 21:27 [Tarantool-patches] [PATCH v2 00/16] sql: prepared statements Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 01/16] sql: remove sql_prepare_v2() Nikita Pettik
2019-12-04 11:36 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 02/16] sql: refactor sql_prepare() and sqlPrepare() Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-04 11:36 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 03/16] sql: move sql_prepare() declaration to box/execute.h Nikita Pettik
2019-12-04 11:37 ` Konstantin Osipov
2019-12-05 13:32 ` Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 04/16] sql: rename sqlPrepare() to sql_compile() Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-13 13:49 ` Nikita Pettik
2019-12-04 11:39 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 05/16] sql: move sql_finalize() to execute.h Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-04 11:39 ` Konstantin Osipov
2019-12-13 13:49 ` Nikita Pettik
2019-12-04 11:40 ` Konstantin Osipov
2019-12-05 13:37 ` Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 06/16] port: increase padding of struct port Nikita Pettik
2019-12-04 11:42 ` Konstantin Osipov
2019-12-13 13:54 ` Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 07/16] port: add dump format and request type to port_sql Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-13 13:55 ` Nikita Pettik
2019-12-04 11:52 ` Konstantin Osipov
2019-12-13 13:53 ` Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 08/16] sql: resurrect sql_bind_parameter_count() function Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-04 11:54 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 09/16] sql: resurrect sql_bind_parameter_name() Nikita Pettik
2019-12-04 11:55 ` Konstantin Osipov
2019-12-04 11:55 ` Konstantin Osipov
2019-12-13 13:55 ` Nikita Pettik
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 10/16] sql: add sql_stmt_schema_version() Nikita Pettik
2019-12-04 11:57 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 11/16] sql: introduce sql_stmt_sizeof() function Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-13 13:56 ` Nikita Pettik
2019-12-04 11:59 ` Konstantin Osipov
2019-12-13 13:56 ` Nikita Pettik [this message]
2019-12-13 14:15 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 12/16] box: increment schema_version on ddl operations Nikita Pettik
2019-12-04 12:03 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 13/16] sql: introduce sql_stmt_query_str() method Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-04 12:04 ` Konstantin Osipov
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 14/16] sql: introduce cache for prepared statemets Nikita Pettik
2019-12-03 22:51 ` Vladislav Shpilevoy
2019-12-04 12:11 ` Konstantin Osipov
2019-12-17 14:43 ` Kirill Yukhin
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 15/16] box: introduce prepared statements Nikita Pettik
2019-12-04 12:13 ` Konstantin Osipov
2019-12-06 23:18 ` Vladislav Shpilevoy
2019-11-20 21:28 ` [Tarantool-patches] [PATCH v2 16/16] netbox: " Nikita Pettik
2019-12-06 23:18 ` Vladislav Shpilevoy
2019-12-03 22:51 ` [Tarantool-patches] [PATCH v2 00/16] sql: " Vladislav Shpilevoy
2019-12-17 15:58 ` Georgy Kirichenko
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