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Add MYSQL_OPT_ZSTD_COMPRESSION_LEVEL

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The compression level was always hard-coded to 3.
This commit is contained in:
Markus Mäkelä
2024-11-07 06:47:21 +02:00
parent 721103eba1
commit a2213b89d4
4 changed files with 14 additions and 1 deletions
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1
include/ma_common.h
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@@ -87,6 +87,7 @@ struct st_mysql_options_extension {
void (*status_callback)(void *ptr, enum enum_mariadb_status_info type, ...);
void *status_data;
my_bool tls_verify_server_cert;
char zstd_compression_level;
};
typedef struct st_connection_handler

1
include/mysql.h
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@@ -223,6 +223,7 @@ extern const char *SQLSTATE_UNKNOWN;
MYSQL_OPT_MAX_ALLOWED_PACKET,
MYSQL_OPT_NET_BUFFER_LENGTH,
MYSQL_OPT_TLS_VERSION,
MYSQL_OPT_ZSTD_COMPRESSION_LEVEL,
/* MariaDB specific */
MYSQL_PROGRESS_CALLBACK=5999,

4
libmariadb/mariadb_lib.c
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@@ -711,6 +711,7 @@ struct st_default_options mariadb_defaults[] =
{{MYSQL_OPT_SSL_ENFORCE}, MARIADB_OPTION_BOOL, "tls-enforce"},
{{MYSQL_OPT_SSL_VERIFY_SERVER_CERT}, MARIADB_OPTION_BOOL,"tls-verify-peer"},
{{MARIADB_OPT_RESTRICTED_AUTH}, MARIADB_OPTION_STR, "restricted-auth"},
{{MYSQL_OPT_ZSTD_COMPRESSION_LEVEL}, MARIADB_OPTION_INT, "zstd-compression-level"},
{{0}, 0, NULL}
};
@@ -3836,6 +3837,9 @@ mysql_optionsv(MYSQL *mysql,enum mysql_option option, ...)
}
}
break;
case MYSQL_OPT_ZSTD_COMPRESSION_LEVEL:
OPT_SET_EXTENDED_VALUE_INT(&mysql->options, zstd_compression_level, *((unsigned int *)arg1));
break;
default:
va_end(ap);
SET_CLIENT_ERROR(mysql, CR_NOT_IMPLEMENTED, SQLSTATE_UNKNOWN, 0);

9
plugins/auth/my_auth.c
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@@ -407,7 +407,14 @@ static int send_client_reply_packet(MCPVIO_EXT *mpvio,
*/
if (mysql->client_flag & CLIENT_ZSTD_COMPRESSION)
{
*end++= 3;
uchar compression_level= 3;
if (mysql->options.extension &&
mysql->options.extension->zstd_compression_level >= 1 &&
mysql->options.extension->zstd_compression_level <= 20)
{
compression_level= mysql->options.extension->zstd_compression_level;
}
*end++= compression_level;
}
/* Write authentication package */