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spd_param.cc
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/* Copyright (C) 2008-2019 Kentoku Shiba
Copyright (C) 2019 MariaDB corp
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
#define MYSQL_SERVER 1
#include <my_global.h>
#include "mysql_version.h"
#include "spd_environ.h"
#if MYSQL_VERSION_ID < 50500
#include "mysql_priv.h"
#include <mysql/plugin.h>
#else
#include "sql_priv.h"
#include "probes_mysql.h"
#include "sql_class.h"
#include "sql_partition.h"
#endif
#include <my_getopt.h>
#include "spd_err.h"
#include "spd_db_include.h"
#include "spd_include.h"
#include "ha_spider.h"
#include "spd_table.h"
#include "spd_trx.h"
extern struct st_mysql_plugin spider_i_s_alloc_mem;
extern struct st_mysql_plugin spider_i_s_wrapper_protocols;
#ifdef MARIADB_BASE_VERSION
extern struct st_maria_plugin spider_i_s_alloc_mem_maria;
extern struct st_maria_plugin spider_i_s_wrapper_protocols_maria;
#endif
#ifdef SPIDER_REWRITE_AVAILABLE
extern struct st_mysql_plugin spider_audit_rewrite;
#ifdef MARIADB_BASE_VERSION
extern struct st_maria_plugin spider_audit_rewrite_maria;
#endif
#endif
extern volatile ulonglong spider_mon_table_cache_version;
extern volatile ulonglong spider_mon_table_cache_version_req;
#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS
static int spider_direct_update(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_direct_update");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->direct_update_count;
DBUG_RETURN(error_num);
}
static int spider_direct_delete(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_direct_delete");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->direct_delete_count;
DBUG_RETURN(error_num);
}
#endif
static int spider_direct_order_limit(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_direct_order_limit");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->direct_order_limit_count;
DBUG_RETURN(error_num);
}
static int spider_direct_aggregate(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_direct_aggregate");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->direct_aggregate_count;
DBUG_RETURN(error_num);
}
static int spider_parallel_search(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_parallel_search");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->parallel_search_count;
DBUG_RETURN(error_num);
}
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
static int spider_hs_result_free(THD *thd, SHOW_VAR *var, char *buff)
{
int error_num = 0;
SPIDER_TRX *trx;
DBUG_ENTER("spider_hs_result_free");
var->type = SHOW_LONGLONG;
if ((trx = spider_get_trx(thd, TRUE, &error_num)))
var->value = (char *) &trx->hs_result_free_count;
DBUG_RETURN(error_num);
}
#endif
struct st_mysql_show_var spider_status_variables[] =
{
{"Spider_mon_table_cache_version",
(char *) &spider_mon_table_cache_version, SHOW_LONGLONG},
{"Spider_mon_table_cache_version_req",
(char *) &spider_mon_table_cache_version_req, SHOW_LONGLONG},
#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS
#ifdef SPIDER_HAS_SHOW_SIMPLE_FUNC
{"Spider_direct_update", (char *) &spider_direct_update, SHOW_SIMPLE_FUNC},
{"Spider_direct_delete", (char *) &spider_direct_delete, SHOW_SIMPLE_FUNC},
#else
{"Spider_direct_update", (char *) &spider_direct_update, SHOW_FUNC},
{"Spider_direct_delete", (char *) &spider_direct_delete, SHOW_FUNC},
#endif
#endif
#ifdef SPIDER_HAS_SHOW_SIMPLE_FUNC
{"Spider_direct_order_limit",
(char *) &spider_direct_order_limit, SHOW_SIMPLE_FUNC},
{"Spider_direct_aggregate",
(char *) &spider_direct_aggregate, SHOW_SIMPLE_FUNC},
{"Spider_parallel_search",
(char *) &spider_parallel_search, SHOW_SIMPLE_FUNC},
#else
{"Spider_direct_order_limit",
(char *) &spider_direct_order_limit, SHOW_FUNC},
{"Spider_direct_aggregate",
(char *) &spider_direct_aggregate, SHOW_FUNC},
{"Spider_parallel_search",
(char *) &spider_parallel_search, SHOW_FUNC},
#endif
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
#ifdef SPIDER_HAS_SHOW_SIMPLE_FUNC
{"Spider_hs_result_free", (char *) &spider_hs_result_free, SHOW_SIMPLE_FUNC},
#else
{"Spider_hs_result_free", (char *) &spider_hs_result_free, SHOW_FUNC},
#endif
#endif
{NullS, NullS, SHOW_LONG}
};
typedef DECLARE_MYSQL_THDVAR_SIMPLE(thdvar_int_t, int);
#if MYSQL_VERSION_ID < 50500
extern bool throw_bounds_warning(THD *thd, bool fixed, bool unsignd,
const char *name, long long val);
#else
extern bool throw_bounds_warning(THD *thd, const char *name, bool fixed,
bool is_unsignd, longlong v);
#endif
static my_bool spider_support_xa;
static MYSQL_SYSVAR_BOOL(
support_xa,
spider_support_xa,
PLUGIN_VAR_OPCMDARG | PLUGIN_VAR_READONLY,
"XA support",
NULL,
NULL,
TRUE
);
my_bool spider_param_support_xa()
{
DBUG_ENTER("spider_param_support_xa");
DBUG_RETURN(spider_support_xa);
}
static my_bool spider_connect_mutex;
static MYSQL_SYSVAR_BOOL(
connect_mutex,
spider_connect_mutex,
PLUGIN_VAR_OPCMDARG,
"Use mutex at connecting",
NULL,
NULL,
FALSE
);
my_bool spider_param_connect_mutex()
{
DBUG_ENTER("spider_param_connect_mutex");
DBUG_RETURN(spider_connect_mutex);
}
static uint spider_connect_error_interval;
/*
0-: interval
*/
static MYSQL_SYSVAR_UINT(
connect_error_interval,
spider_connect_error_interval,
PLUGIN_VAR_RQCMDARG,
"Return same error code until interval passes if connection is failed",
NULL,
NULL,
1,
0,
4294967295U,
0
);
uint spider_param_connect_error_interval()
{
DBUG_ENTER("spider_param_connect_error_interval");
DBUG_RETURN(spider_connect_error_interval);
}
static uint spider_table_init_error_interval;
/*
0-: interval
*/
static MYSQL_SYSVAR_UINT(
table_init_error_interval,
spider_table_init_error_interval,
PLUGIN_VAR_RQCMDARG,
"Return same error code until interval passes if table init is failed",
NULL,
NULL,
1,
0,
4294967295U,
0
);
uint spider_param_table_init_error_interval()
{
DBUG_ENTER("spider_param_table_init_error_interval");
DBUG_RETURN(spider_table_init_error_interval);
}
static int spider_use_table_charset;
/*
-1 :use table parameter
0 :use utf8
1 :use table charset
*/
static MYSQL_SYSVAR_INT(
use_table_charset,
spider_use_table_charset,
PLUGIN_VAR_RQCMDARG | PLUGIN_VAR_READONLY,
"Use table charset for remote access",
NULL,
NULL,
-1,
-1,
1,
0
);
int spider_param_use_table_charset(
int use_table_charset
) {
DBUG_ENTER("spider_param_use_table_charset");
DBUG_RETURN(spider_use_table_charset == -1 ?
use_table_charset : spider_use_table_charset);
}
/*
0: no recycle
1: recycle in instance
2: recycle in thread
*/
static MYSQL_THDVAR_UINT(
conn_recycle_mode, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Connection recycle mode", /* comment */
NULL, /* check */
NULL, /* update */
0, /* def */
0, /* min */
2, /* max */
0 /* blk */
);
uint spider_param_conn_recycle_mode(
THD *thd
) {
DBUG_ENTER("spider_param_conn_recycle_mode");
DBUG_RETURN(THDVAR(thd, conn_recycle_mode));
}
/*
0: weak
1: strict
*/
static MYSQL_THDVAR_UINT(
conn_recycle_strict, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Strict connection recycle", /* comment */
NULL, /* check */
NULL, /* update */
0, /* def */
0, /* min */
1, /* max */
0 /* blk */
);
uint spider_param_conn_recycle_strict(
THD *thd
) {
DBUG_ENTER("spider_param_conn_recycle_strict");
DBUG_RETURN(THDVAR(thd, conn_recycle_strict));
}
/*
FALSE: no sync
TRUE: sync
*/
static MYSQL_THDVAR_BOOL(
sync_trx_isolation, /* name */
PLUGIN_VAR_OPCMDARG, /* opt */
"Sync transaction isolation level", /* comment */
NULL, /* check */
NULL, /* update */
TRUE /* def */
);
bool spider_param_sync_trx_isolation(
THD *thd
) {
DBUG_ENTER("spider_param_sync_trx_isolation");
DBUG_RETURN(THDVAR(thd, sync_trx_isolation));
}
/*
FALSE: no use
TRUE: use
*/
static MYSQL_THDVAR_BOOL(
use_consistent_snapshot, /* name */
PLUGIN_VAR_OPCMDARG, /* opt */
"Use start transaction with consistent snapshot", /* comment */
NULL, /* check */
NULL, /* update */
FALSE /* def */
);
bool spider_param_use_consistent_snapshot(
THD *thd
) {
DBUG_ENTER("spider_param_use_consistent_snapshot");
DBUG_RETURN(THDVAR(thd, use_consistent_snapshot));
}
/*
FALSE: off
TRUE: on
*/
static MYSQL_THDVAR_BOOL(
internal_xa, /* name */
PLUGIN_VAR_OPCMDARG, /* opt */
"Use inner xa transaction", /* comment */
NULL, /* check */
NULL, /* update */
FALSE /* def */
);
bool spider_param_internal_xa(
THD *thd
) {
DBUG_ENTER("spider_param_internal_xa");
DBUG_RETURN(THDVAR(thd, internal_xa));
}
/*
0 :err when use a spider table
1 :err when start trx
2 :start trx with snapshot on remote server(not use xa)
3 :start xa on remote server(not use trx with snapshot)
*/
static MYSQL_THDVAR_UINT(
internal_xa_snapshot, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Action of inner xa and snapshot both using", /* comment */
NULL, /* check */
NULL, /* update */
0, /* def */
0, /* min */
3, /* max */
0 /* blk */
);
uint spider_param_internal_xa_snapshot(
THD *thd
) {
DBUG_ENTER("spider_param_internal_xa_snapshot");
DBUG_RETURN(THDVAR(thd, internal_xa_snapshot));
}
/*
0 :off
1 :continue prepare, commit, rollback if xid not found return
2 :continue prepare, commit, rollback if all error return
*/
static MYSQL_THDVAR_UINT(
force_commit, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Force prepare, commit, rollback mode", /* comment */
NULL, /* check */
NULL, /* update */
1, /* def */
0, /* min */
2, /* max */
0 /* blk */
);
uint spider_param_force_commit(
THD *thd
) {
DBUG_ENTER("spider_param_force_commit");
DBUG_RETURN(THDVAR(thd, force_commit));
}
/*
0: register all XA transaction
1: register only write XA transaction
*/
static MYSQL_THDVAR_UINT(
xa_register_mode, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Mode of XA transaction register into system table", /* comment */
NULL, /* check */
NULL, /* update */
1, /* def */
0, /* min */
1, /* max */
0 /* blk */
);
uint spider_param_xa_register_mode(
THD *thd
) {
DBUG_ENTER("spider_param_xa_register_mode");
DBUG_RETURN(THDVAR(thd, xa_register_mode));
}
/*
-1 :use table parameter
0-:offset
*/
static MYSQL_THDVAR_LONGLONG(
internal_offset, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Internal offset", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
9223372036854775807LL, /* max */
0 /* blk */
);
longlong spider_param_internal_offset(
THD *thd,
longlong internal_offset
) {
DBUG_ENTER("spider_param_internal_offset");
DBUG_RETURN(THDVAR(thd, internal_offset) < 0 ?
internal_offset : THDVAR(thd, internal_offset));
}
/*
-1 :use table parameter
0-:limit
*/
static MYSQL_THDVAR_LONGLONG(
internal_limit, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Internal limit", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
9223372036854775807LL, /* max */
0 /* blk */
);
longlong spider_param_internal_limit(
THD *thd,
longlong internal_limit
) {
DBUG_ENTER("spider_param_internal_limit");
DBUG_RETURN(THDVAR(thd, internal_limit) < 0 ?
internal_limit : THDVAR(thd, internal_limit));
}
/*
-1 :use table parameter
0-:number of rows at a select
*/
static MYSQL_THDVAR_LONGLONG(
split_read, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Number of rows at a select", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
9223372036854775807LL, /* max */
0 /* blk */
);
longlong spider_param_split_read(
THD *thd,
longlong split_read
) {
DBUG_ENTER("spider_param_split_read");
DBUG_RETURN(THDVAR(thd, split_read) < 0 ?
split_read : THDVAR(thd, split_read));
}
/*
-1 :use table parameter
0 :doesn't use "offset" and "limit" for "split_read"
1-:magnification
*/
static MYSQL_THDVAR_INT(
semi_split_read, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Use offset and limit parameter in SQL for split_read parameter.", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
2147483647, /* max */
0 /* blk */
);
double spider_param_semi_split_read(
THD *thd,
double semi_split_read
) {
DBUG_ENTER("spider_param_semi_split_read");
DBUG_RETURN(THDVAR(thd, semi_split_read) < 0 ?
semi_split_read : THDVAR(thd, semi_split_read));
}
/*
-1 :use table parameter
0-:the limit value
*/
static MYSQL_THDVAR_LONGLONG(
semi_split_read_limit, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"The limit value for semi_split_read", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
9223372036854775807LL, /* max */
0 /* blk */
);
longlong spider_param_semi_split_read_limit(
THD *thd,
longlong semi_split_read_limit
) {
DBUG_ENTER("spider_param_semi_split_read_limit");
DBUG_RETURN(THDVAR(thd, semi_split_read_limit) < 0 ?
semi_split_read_limit : THDVAR(thd, semi_split_read_limit));
}
/*
-1 :use table parameter
0 :no alloc
1-:alloc size
*/
static MYSQL_THDVAR_INT(
init_sql_alloc_size, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Initial sql string alloc size", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
2147483647, /* max */
0 /* blk */
);
int spider_param_init_sql_alloc_size(
THD *thd,
int init_sql_alloc_size
) {
DBUG_ENTER("spider_param_init_sql_alloc_size");
DBUG_RETURN(THDVAR(thd, init_sql_alloc_size) < 0 ?
init_sql_alloc_size : THDVAR(thd, init_sql_alloc_size));
}
/*
-1 :use table parameter
0 :off
1 :on
*/
static MYSQL_THDVAR_INT(
reset_sql_alloc, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Reset sql string alloc after execute", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
1, /* max */
0 /* blk */
);
int spider_param_reset_sql_alloc(
THD *thd,
int reset_sql_alloc
) {
DBUG_ENTER("spider_param_reset_sql_alloc");
DBUG_RETURN(THDVAR(thd, reset_sql_alloc) < 0 ?
reset_sql_alloc : THDVAR(thd, reset_sql_alloc));
}
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
/*
-1 :use table parameter
0-:result free size for handlersocket
*/
static MYSQL_THDVAR_LONGLONG(
hs_result_free_size, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Result free size for handlersocket", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
9223372036854775807LL, /* max */
0 /* blk */
);
longlong spider_param_hs_result_free_size(
THD *thd,
longlong hs_result_free_size
) {
DBUG_ENTER("spider_param_hs_result_free_size");
DBUG_RETURN(THDVAR(thd, hs_result_free_size) < 0 ?
hs_result_free_size : THDVAR(thd, hs_result_free_size));
}
#endif
/*
-1 :use table parameter
0 :off
1 :on
*/
static MYSQL_THDVAR_INT(
multi_split_read, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Sprit read mode for multi range", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
2147483647, /* max */
0 /* blk */
);
int spider_param_multi_split_read(
THD *thd,
int multi_split_read
) {
DBUG_ENTER("spider_param_multi_split_read");
DBUG_RETURN(THDVAR(thd, multi_split_read) < 0 ?
multi_split_read : THDVAR(thd, multi_split_read));
}
/*
-1 :use table parameter
0-:max order columns
*/
static MYSQL_THDVAR_INT(
max_order, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Max columns for order by", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
32767, /* max */
0 /* blk */
);
int spider_param_max_order(
THD *thd,
int max_order
) {
DBUG_ENTER("spider_param_max_order");
DBUG_RETURN(THDVAR(thd, max_order) < 0 ?
max_order : THDVAR(thd, max_order));
}
/*
-1 :off
0 :read uncommitted
1 :read committed
2 :repeatable read
3 :serializable
*/
static MYSQL_THDVAR_INT(
semi_trx_isolation, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Transaction isolation level during execute a sql", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
3, /* max */
0 /* blk */
);
int spider_param_semi_trx_isolation(
THD *thd
) {
DBUG_ENTER("spider_param_semi_trx_isolation");
DBUG_RETURN(THDVAR(thd, semi_trx_isolation));
}
static int spider_param_semi_table_lock_check(
MYSQL_THD thd,
struct st_mysql_sys_var *var,
void *save,
struct st_mysql_value *value
) {
int error_num;
SPIDER_TRX *trx;
my_bool fixed;
long long tmp;
struct my_option options;
DBUG_ENTER("spider_param_semi_table_lock_check");
if (!(trx = spider_get_trx((THD *) thd, TRUE, &error_num)))
DBUG_RETURN(error_num);
if (trx->locked_connections)
{
my_message(ER_SPIDER_ALTER_BEFORE_UNLOCK_NUM,
ER_SPIDER_ALTER_BEFORE_UNLOCK_STR, MYF(0));
DBUG_RETURN(ER_SPIDER_ALTER_BEFORE_UNLOCK_NUM);
}
value->val_int(value, &tmp);
options.sub_size = 0;
options.var_type = GET_INT;
options.def_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->def_val;
options.min_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->min_val;
options.max_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->max_val;
options.block_size =
(long) ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->blk_sz;
options.arg_type = REQUIRED_ARG;
*((int *) save) = (int) getopt_ll_limit_value(tmp, &options, &fixed);
#if MYSQL_VERSION_ID < 50500
DBUG_RETURN(throw_bounds_warning(thd, fixed, FALSE,
((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->name, (long long) tmp));
#else
DBUG_RETURN(throw_bounds_warning(thd,
((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->name, fixed, FALSE,
(longlong) tmp));
#endif
}
/*
0 :off
1 :on
*/
static MYSQL_THDVAR_INT(
semi_table_lock, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Table lock during execute a sql", /* comment */
&spider_param_semi_table_lock_check, /* check */
NULL, /* update */
1, /* def */
0, /* min */
1, /* max */
0 /* blk */
);
int spider_param_semi_table_lock(
THD *thd,
int semi_table_lock
) {
DBUG_ENTER("spider_param_semi_table_lock");
DBUG_RETURN((semi_table_lock & THDVAR(thd, semi_table_lock)));
}
static int spider_param_semi_table_lock_connection_check(
MYSQL_THD thd,
struct st_mysql_sys_var *var,
void *save,
struct st_mysql_value *value
) {
int error_num;
SPIDER_TRX *trx;
my_bool fixed;
long long tmp;
struct my_option options;
DBUG_ENTER("spider_param_semi_table_lock_connection_check");
if (!(trx = spider_get_trx((THD *) thd, TRUE, &error_num)))
DBUG_RETURN(error_num);
if (trx->locked_connections)
{
my_message(ER_SPIDER_ALTER_BEFORE_UNLOCK_NUM,
ER_SPIDER_ALTER_BEFORE_UNLOCK_STR, MYF(0));
DBUG_RETURN(ER_SPIDER_ALTER_BEFORE_UNLOCK_NUM);
}
value->val_int(value, &tmp);
options.sub_size = 0;
options.var_type = GET_INT;
options.def_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->def_val;
options.min_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->min_val;
options.max_value = ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->max_val;
options.block_size =
(long) ((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->blk_sz;
options.arg_type = REQUIRED_ARG;
*((int *) save) = (int) getopt_ll_limit_value(tmp, &options, &fixed);
#if MYSQL_VERSION_ID < 50500
DBUG_RETURN(throw_bounds_warning(thd, fixed, FALSE,
((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->name, (long long) tmp));
#else
DBUG_RETURN(throw_bounds_warning(thd,
((MYSQL_SYSVAR_NAME(thdvar_int_t) *) var)->name, fixed, FALSE,
(longlong) tmp));
#endif
}
/*
-1 :off
0 :use same connection
1 :use different connection
*/
static MYSQL_THDVAR_INT(
semi_table_lock_connection, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Use different connection if semi_table_lock is enabled", /* comment */
&spider_param_semi_table_lock_connection_check, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
1, /* max */
0 /* blk */
);
int spider_param_semi_table_lock_connection(
THD *thd,
int semi_table_lock_connection
) {
DBUG_ENTER("spider_param_semi_table_lock_connection");
DBUG_RETURN(THDVAR(thd, semi_table_lock_connection) == -1 ?
semi_table_lock_connection : THDVAR(thd, semi_table_lock_connection));
}
/*
0-:block_size
*/
static MYSQL_THDVAR_UINT(
block_size, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Index block size", /* comment */
NULL, /* check */
NULL, /* update */
16384, /* def */
0, /* min */
4294967295U, /* max */
0 /* blk */
);
uint spider_param_block_size(
THD *thd
) {
DBUG_ENTER("spider_param_block_size");
DBUG_RETURN(THDVAR(thd, block_size));
}
/*
-1 :use table parameter
0 :off
1 :lock in share mode
2 :for update
*/
static MYSQL_THDVAR_INT(
selupd_lock_mode, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Lock for select with update", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
2, /* max */
0 /* blk */
);
int spider_param_selupd_lock_mode(
THD *thd,
int selupd_lock_mode
) {
DBUG_ENTER("spider_param_selupd_lock_mode");
DBUG_RETURN(THDVAR(thd, selupd_lock_mode) == -1 ?
selupd_lock_mode : THDVAR(thd, selupd_lock_mode));
}
/*
FALSE: no sync
TRUE: sync
*/
static MYSQL_THDVAR_BOOL(
sync_autocommit, /* name */
PLUGIN_VAR_OPCMDARG, /* opt */
"Sync autocommit", /* comment */
NULL, /* check */
NULL, /* update */
TRUE /* def */
);
bool spider_param_sync_autocommit(
THD *thd
) {
DBUG_ENTER("spider_param_sync_autocommit");
DBUG_RETURN(THDVAR(thd, sync_autocommit));
}
/*
FALSE: not use
TRUE: use
*/
static MYSQL_THDVAR_BOOL(
use_default_database, /* name */
PLUGIN_VAR_OPCMDARG, /* opt */
"Use default database", /* comment */
NULL, /* check */
NULL, /* update */
TRUE /* def */
);
bool spider_param_use_default_database(
THD *thd
) {
DBUG_ENTER("spider_param_use_default_database");
DBUG_RETURN(THDVAR(thd, use_default_database));
}
/*
-1 :don't know or does not matter; don't send 'SET SQL_LOG_OFF' statement
0 :do send 'SET SQL_LOG_OFF 0' statement to data nodes
1 :do send 'SET SQL_LOG_OFF 1' statement to data nodes
*/
static MYSQL_THDVAR_INT(
internal_sql_log_off, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Manage SQL_LOG_OFF mode statement to the data nodes", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* default */
-1, /* min */
1, /* max */
0 /* blk */
);
int spider_param_internal_sql_log_off(
THD *thd
) {
DBUG_ENTER("spider_param_internal_sql_log_off");
DBUG_RETURN(THDVAR(thd, internal_sql_log_off));
}
/*
-1 :use table parameter
0-:bulk insert size
*/
static MYSQL_THDVAR_INT(
bulk_size, /* name */
PLUGIN_VAR_RQCMDARG, /* opt */
"Bulk insert size", /* comment */
NULL, /* check */
NULL, /* update */
-1, /* def */
-1, /* min */
2147483647, /* max */
0 /* blk */
);
int spider_param_bulk_size(