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ha_vp.cc
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/* Copyright (C) 2009-2020 Kentoku Shiba
Copyright (C) 2019-2020 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 */
#ifdef USE_PRAGMA_IMPLEMENTATION
#pragma implementation
#endif
#define MYSQL_SERVER 1
#include <my_global.h>
#include "mysql_version.h"
#include "vp_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"
#include "key.h"
#include "sql_select.h"
#ifdef HANDLER_HAS_PRUNE_PARTITIONS_FOR_CHILD
#include "opt_range.h"
#endif
#endif
#include "vp_param.h"
#include "vp_err.h"
#include "vp_include.h"
#include "ha_vp.h"
#include "vp_table.h"
#ifdef HA_CAN_BG_SEARCH
#define VP_CAN_BG_SEARCH HA_CAN_BG_SEARCH
#else
#define VP_CAN_BG_SEARCH 0
#endif
#ifdef HA_CAN_BG_INSERT
#define VP_CAN_BG_INSERT HA_CAN_BG_INSERT
#else
#define VP_CAN_BG_INSERT 0
#endif
#ifdef HA_CAN_BG_UPDATE
#define VP_CAN_BG_UPDATE HA_CAN_BG_UPDATE
#else
#define VP_CAN_BG_UPDATE 0
#endif
static longlong vp_base_table_flags =
(
HA_HAS_RECORDS |
HA_BINLOG_ROW_CAPABLE |
HA_BINLOG_STMT_CAPABLE |
#ifdef HA_CAN_BULK_ACCESS
HA_CAN_BULK_ACCESS |
#endif
#ifdef HA_CAN_DIRECT_UPDATE_AND_DELETE
HA_CAN_DIRECT_UPDATE_AND_DELETE |
#endif
VP_CAN_BG_SEARCH | VP_CAN_BG_INSERT | VP_CAN_BG_UPDATE
);
extern handlerton *vp_hton_ptr;
#ifndef WITHOUT_VP_BG_ACCESS
extern pthread_attr_t vp_pt_attr;
#endif
#ifdef HAVE_PSI_INTERFACE
#ifndef WITHOUT_VP_BG_ACCESS
extern PSI_mutex_key vp_key_mutex_bg_sync;
extern PSI_mutex_key vp_key_mutex_bg;
extern PSI_cond_key vp_key_cond_bg_sync;
extern PSI_cond_key vp_key_cond_bg;
extern PSI_thread_key vp_key_thd_bg;
#endif
#endif
ha_vp::ha_vp(
) : handler(vp_hton_ptr, NULL)
#ifdef HA_CAN_BULK_ACCESS
, bulk_access_started(FALSE)
, bulk_access_executing(FALSE)
, bulk_access_pre_called(FALSE)
, bulk_access_info_first(NULL)
, bulk_access_info_current(NULL)
, bulk_access_info_exec_tgt(NULL)
, bulk_access_exec_bitmap(NULL)
#endif
#ifdef HANDLER_HAS_GET_NEXT_GLOBAL_FOR_CHILD
, handler_close(FALSE)
#endif
, mr_init(FALSE)
{
DBUG_ENTER("ha_vp::ha_vp");
DBUG_PRINT("info",("vp this=%p", this));
share = NULL;
part_tables = NULL;
use_tables = NULL;
work_bitmap = NULL;
ref_length = 0;
#ifdef HANDLER_HAS_TOP_TABLE_FIELDS
allocated_top_table_fields = 0;
#endif
additional_table_flags = vp_base_table_flags;
ins_child_bitmaps[0] = NULL;
condition = NULL;
#ifdef WITH_PARTITION_STORAGE_ENGINE
partition_handler_share = NULL;
pt_handler_share_creator = NULL;
clone_partition_handler_share = NULL;
#endif
is_clone = FALSE;
pt_clone_source_handler = NULL;
ft_first = NULL;
ft_current = NULL;
ft_inited = FALSE;
ft_count = 0;
#if MYSQL_VERSION_ID < 50500
#else
children_l = NULL;
children_attached = FALSE;
#endif
suppress_autoinc = FALSE;
use_pre_call = FALSE;
#ifdef VP_SUPPORT_MRR
m_mrr_range_first = NULL;
m_child_mrr_range_first = NULL;
m_range_info = NULL;
m_mrr_full_buffer = NULL;
m_mrr_full_buffer_size = 0;
m_mrr_new_full_buffer_size = 0;
#endif
DBUG_VOID_RETURN;
}
ha_vp::ha_vp(
handlerton *hton,
TABLE_SHARE *table_arg
) : handler(hton, table_arg)
#ifdef HA_CAN_BULK_ACCESS
, bulk_access_started(FALSE)
, bulk_access_executing(FALSE)
, bulk_access_pre_called(FALSE)
, bulk_access_info_first(NULL)
, bulk_access_info_current(NULL)
, bulk_access_info_exec_tgt(NULL)
, bulk_access_exec_bitmap(NULL)
#endif
#ifdef HANDLER_HAS_GET_NEXT_GLOBAL_FOR_CHILD
, handler_close(FALSE)
#endif
, mr_init(FALSE)
{
DBUG_ENTER("ha_vp::ha_vp");
DBUG_PRINT("info",("vp this=%p", this));
share = NULL;
part_tables = NULL;
use_tables = NULL;
work_bitmap = NULL;
#ifdef HANDLER_HAS_TOP_TABLE_FIELDS
allocated_top_table_fields = 0;
#endif
additional_table_flags = vp_base_table_flags;
ins_child_bitmaps[0] = NULL;
condition = NULL;
#ifdef WITH_PARTITION_STORAGE_ENGINE
partition_handler_share = NULL;
pt_handler_share_creator = NULL;
clone_partition_handler_share = NULL;
#endif
is_clone = FALSE;
pt_clone_source_handler = NULL;
ref_length = 0;
ft_first = NULL;
ft_current = NULL;
ft_inited = FALSE;
ft_count = 0;
#if MYSQL_VERSION_ID < 50500
#else
children_l = NULL;
children_attached = FALSE;
#endif
suppress_autoinc = FALSE;
use_pre_call = FALSE;
#ifdef VP_SUPPORT_MRR
m_mrr_range_first = NULL;
m_child_mrr_range_first = NULL;
m_range_info = NULL;
m_mrr_full_buffer = NULL;
m_mrr_full_buffer_size = 0;
m_mrr_new_full_buffer_size = 0;
#endif
DBUG_VOID_RETURN;
}
static const char *ha_vp_exts[] = {
NullS
};
handler *ha_vp::clone(
const char *name,
MEM_ROOT *mem_root
) {
ha_vp *vp;
DBUG_ENTER("ha_vp::clone");
DBUG_PRINT("info",("vp this=%p", this));
if (
!(vp = (ha_vp *)
get_new_handler(table->s, mem_root, vp_hton_ptr)) ||
!(vp->ref = (uchar*) alloc_root(mem_root, ALIGN_SIZE(ref_length) * 2))
)
DBUG_RETURN(NULL);
vp->is_clone = TRUE;
vp->pt_clone_source_handler = this;
if (vp->ha_open(table, name, table->db_stat,
HA_OPEN_IGNORE_IF_LOCKED))
DBUG_RETURN(NULL);
DBUG_RETURN((handler *) vp);
}
const char **ha_vp::bas_ext() const
{
return ha_vp_exts;
}
int ha_vp::open(
const char* name,
int mode,
uint test_if_locked
) {
int error_num, roop_count;
THD *thd = ha_thd();
#ifdef WITH_PARTITION_STORAGE_ENGINE
VP_PARTITION_SHARE *partition_share;
my_bitmap_map *tmp_idx_read_bitmap, *tmp_idx_write_bitmap,
*tmp_rnd_read_bitmap, *tmp_rnd_write_bitmap,
*tmp_idx_init_read_bitmap, *tmp_idx_init_write_bitmap,
*tmp_rnd_init_read_bitmap, *tmp_rnd_init_write_bitmap;
uint part_num;
bool create_pt_handler_share = FALSE, pt_handler_mutex = FALSE,
may_be_clone = FALSE;
ha_vp **pt_handler_share_handlers;
#endif
TABLE *clone_tables = NULL;
#ifndef DBUG_OFF
TABLE *tmp_table;
#endif
DBUG_ENTER("ha_vp::open");
DBUG_PRINT("info",("vp this=%p", this));
DBUG_PRINT("info",("vp table=%p", table));
table_lock_count = 0;
bitmap_map_size =
sizeof(my_bitmap_map) * ((table_share->fields +
sizeof(my_bitmap_map) * 8 - 1) / sizeof(my_bitmap_map) / 8);
DBUG_PRINT("info",("vp bitmap_map_size=%d", bitmap_map_size));
sql_command = thd_sql_command(thd);
DBUG_PRINT("info",("vp sql_command=%u", sql_command));
ref_buf = NULL;
ref_buf_length = 0;
VP_INIT_ALLOC_ROOT(&mr, 1024, 0, MYF(MY_WME));
if (!vp_get_share(name, table, thd, this, &error_num))
goto error_get_share;
thr_lock_data_init(&share->lock, &lock, NULL);
#ifdef WITH_PARTITION_STORAGE_ENGINE
partition_share = share->partition_share;
table->file->get_no_parts("", &part_num);
if (partition_share)
{
pt_handler_mutex = TRUE;
pthread_mutex_lock(&partition_share->pt_handler_mutex);
/*
if (
!partition_share->partition_handler_share ||
partition_share->partition_handler_share->table != table
)
create_pt_handler_share = TRUE;
*/
if (
sql_command == SQLCOM_ALTER_TABLE ||
!(partition_handler_share = (VP_PARTITION_HANDLER_SHARE*)
my_hash_search(&partition_share->pt_handler_hash, (uchar*) &table,
sizeof(TABLE *)))
)
create_pt_handler_share = TRUE;
}
#if MYSQL_VERSION_ID < 50500
#else
init_correspond_columns = FALSE;
#endif
if (create_pt_handler_share)
{
if (!(part_tables = (TABLE_LIST*)
my_multi_malloc(MYF(MY_WME),
&part_tables, sizeof(TABLE_LIST) * share->table_count,
#if MYSQL_VERSION_ID < 50500
#else
&children_info, sizeof(VP_CHILD_INFO) * share->table_count,
#endif
&use_tables, sizeof(uchar) * share->use_tables_size,
&use_tables2, sizeof(uchar) * share->use_tables_size,
&use_tables3, sizeof(uchar) * share->use_tables_size,
&sel_key_init_use_tables, sizeof(uchar) * share->use_tables_size,
&sel_key_use_tables, sizeof(uchar) * share->use_tables_size,
&sel_rnd_use_tables, sizeof(uchar) * share->use_tables_size,
&upd_target_tables, sizeof(uchar) * share->use_tables_size,
&key_inited_tables, sizeof(uchar) * share->use_tables_size,
&rnd_inited_tables, sizeof(uchar) * share->use_tables_size,
&ft_inited_tables, sizeof(uchar) * share->use_tables_size,
&select_ignore, sizeof(uchar) * share->use_tables_size,
&select_ignore_with_lock, sizeof(uchar) * share->use_tables_size,
&update_ignore, sizeof(uchar) * share->use_tables_size,
&pruned_tables, sizeof(uchar) * share->use_tables_size,
#ifdef HA_CAN_BULK_ACCESS
&bulk_access_exec_bitmap, sizeof(uchar) * share->use_tables_size,
#endif
&work_bitmap, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap2, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap3, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap4, sizeof(uchar) * ((table_share->fields + 7) / 8),
#ifdef HANDLER_HAS_TOP_TABLE_FIELDS
&top_table_field_for_childs, sizeof(Field **) * share->table_count,
#endif
#ifndef WITHOUT_VP_BG_ACCESS
&bg_base, sizeof(VP_BG_BASE) * share->table_count,
#endif
&child_cond_count, sizeof(uint) * share->table_count,
&child_record0, sizeof(uchar *) * share->table_count,
&child_record1, sizeof(uchar *) * share->table_count,
&idx_init_read_bitmap, bitmap_map_size,
&idx_init_write_bitmap, bitmap_map_size,
&rnd_init_read_bitmap, bitmap_map_size,
&rnd_init_write_bitmap, bitmap_map_size,
&idx_read_bitmap, bitmap_map_size,
&idx_write_bitmap, bitmap_map_size,
&rnd_read_bitmap, bitmap_map_size,
&rnd_write_bitmap, bitmap_map_size,
&partition_handler_share, sizeof(VP_PARTITION_HANDLER_SHARE),
&tmp_idx_init_read_bitmap, bitmap_map_size,
&tmp_idx_init_write_bitmap, bitmap_map_size,
&tmp_rnd_init_read_bitmap, bitmap_map_size,
&tmp_rnd_init_write_bitmap, bitmap_map_size,
&rnd_init_write_bitmap, bitmap_map_size,
&tmp_idx_read_bitmap, bitmap_map_size,
&tmp_idx_write_bitmap, bitmap_map_size,
&tmp_rnd_read_bitmap, bitmap_map_size,
&tmp_rnd_write_bitmap, bitmap_map_size,
#if defined(HAVE_HANDLERSOCKET)
&child_multi_range, sizeof(KEY_MULTI_RANGE) * share->table_count,
&child_key_buff, MAX_KEY_LENGTH * share->table_count,
#endif
#ifdef VP_SUPPORT_MRR
&m_range_info, sizeof(range_id_t) * share->table_count,
&m_stock_range_seq, sizeof(uint) * share->table_count,
&m_mrr_buffer, sizeof(HANDLER_BUFFER) * share->table_count,
&m_mrr_buffer_size, sizeof(uint) * share->table_count,
&m_child_mrr_range_length, sizeof(uint) * share->table_count,
&m_child_mrr_range_first,
sizeof(VP_CHILD_KEY_MULTI_RANGE *) * share->table_count,
&m_child_mrr_range_current,
sizeof(VP_CHILD_KEY_MULTI_RANGE *) * share->table_count,
&m_child_key_multi_range_hld,
sizeof(VP_CHILD_KEY_MULTI_RANGE_HLD) * share->table_count,
#endif
&pt_handler_share_handlers, sizeof(ha_vp *) * part_num,
NullS))
) {
error_num = HA_ERR_OUT_OF_MEM;
goto error_tables_alloc;
}
DBUG_PRINT("info",("vp create partition_handler_share"));
partition_handler_share->use_count = 1;
/*
if (partition_handler_share->use_count < part_num)
partition_share->partition_handler_share = partition_handler_share;
*/
DBUG_PRINT("info",("vp table=%p", table));
partition_handler_share->table = table;
partition_handler_share->idx_init_read_bitmap = tmp_idx_init_read_bitmap;
partition_handler_share->idx_init_write_bitmap = tmp_idx_init_write_bitmap;
partition_handler_share->rnd_init_read_bitmap = tmp_rnd_init_read_bitmap;
partition_handler_share->rnd_init_write_bitmap = tmp_rnd_init_write_bitmap;
partition_handler_share->idx_read_bitmap = tmp_idx_read_bitmap;
partition_handler_share->idx_write_bitmap = tmp_idx_write_bitmap;
partition_handler_share->rnd_read_bitmap = tmp_rnd_read_bitmap;
partition_handler_share->rnd_write_bitmap = tmp_rnd_write_bitmap;
partition_handler_share->idx_init_flg = FALSE;
partition_handler_share->rnd_init_flg = FALSE;
partition_handler_share->idx_bitmap_is_set = FALSE;
partition_handler_share->rnd_bitmap_is_set = FALSE;
partition_handler_share->creator = this;
if (part_num)
{
partition_handler_share->handlers = (void **) pt_handler_share_handlers;
partition_handler_share->handlers[0] = this;
}
pt_handler_share_creator = this;
if (my_hash_insert(&partition_share->pt_handler_hash,
(uchar*) partition_handler_share))
{
error_num = HA_ERR_OUT_OF_MEM;
goto error_hash_insert;
}
pthread_mutex_unlock(&partition_share->pt_handler_mutex);
pt_handler_mutex = FALSE;
} else {
#endif
if (!(part_tables = (TABLE_LIST*)
my_multi_malloc(MYF(MY_WME),
&part_tables, sizeof(TABLE_LIST) * share->table_count,
#if MYSQL_VERSION_ID < 50500
#else
&children_info, sizeof(VP_CHILD_INFO) * share->table_count,
#endif
&use_tables, sizeof(uchar) * share->use_tables_size,
&use_tables2, sizeof(uchar) * share->use_tables_size,
&use_tables3, sizeof(uchar) * share->use_tables_size,
&sel_key_init_use_tables, sizeof(uchar) * share->use_tables_size,
&sel_key_use_tables, sizeof(uchar) * share->use_tables_size,
&sel_rnd_use_tables, sizeof(uchar) * share->use_tables_size,
&upd_target_tables, sizeof(uchar) * share->use_tables_size,
&key_inited_tables, sizeof(uchar) * share->use_tables_size,
&rnd_inited_tables, sizeof(uchar) * share->use_tables_size,
&ft_inited_tables, sizeof(uchar) * share->use_tables_size,
&select_ignore, sizeof(uchar) * share->use_tables_size,
&select_ignore_with_lock, sizeof(uchar) * share->use_tables_size,
&update_ignore, sizeof(uchar) * share->use_tables_size,
&pruned_tables, sizeof(uchar) * share->use_tables_size,
#ifdef HA_CAN_BULK_ACCESS
&bulk_access_exec_bitmap, sizeof(uchar) * share->use_tables_size,
#endif
&work_bitmap, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap2, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap3, sizeof(uchar) * ((table_share->fields + 7) / 8),
&work_bitmap4, sizeof(uchar) * ((table_share->fields + 7) / 8),
#ifdef HANDLER_HAS_TOP_TABLE_FIELDS
&top_table_field_for_childs, sizeof(Field **) * share->table_count,
#endif
#ifndef WITHOUT_VP_BG_ACCESS
&bg_base, sizeof(VP_BG_BASE) * share->table_count,
#endif
&child_cond_count, sizeof(uint) * share->table_count,
&child_record0, sizeof(uchar *) * share->table_count,
&child_record1, sizeof(uchar *) * share->table_count,
&idx_init_read_bitmap, bitmap_map_size,
&idx_init_write_bitmap, bitmap_map_size,
&rnd_init_read_bitmap, bitmap_map_size,
&rnd_init_write_bitmap, bitmap_map_size,
&idx_read_bitmap, bitmap_map_size,
&idx_write_bitmap, bitmap_map_size,
&rnd_read_bitmap, bitmap_map_size,
&rnd_write_bitmap, bitmap_map_size,
#if defined(HAVE_HANDLERSOCKET)
&child_multi_range, sizeof(KEY_MULTI_RANGE) * share->table_count,
&child_key_buff, MAX_KEY_LENGTH * share->table_count,
#endif
#ifdef VP_SUPPORT_MRR
&m_range_info, sizeof(range_id_t) * share->table_count,
&m_stock_range_seq, sizeof(uint) * share->table_count,
&m_mrr_buffer, sizeof(HANDLER_BUFFER) * share->table_count,
&m_mrr_buffer_size, sizeof(uint) * share->table_count,
&m_child_mrr_range_length, sizeof(uint) * share->table_count,
&m_child_mrr_range_first,
sizeof(VP_CHILD_KEY_MULTI_RANGE *) * share->table_count,
&m_child_mrr_range_current,
sizeof(VP_CHILD_KEY_MULTI_RANGE *) * share->table_count,
&m_child_key_multi_range_hld,
sizeof(VP_CHILD_KEY_MULTI_RANGE_HLD) * share->table_count,
#endif
NullS))
) {
error_num = HA_ERR_OUT_OF_MEM;
goto error_tables_alloc;
}
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (partition_share)
{
DBUG_PRINT("info",("vp copy partition_handler_share"));
/*
partition_handler_share = (VP_PARTITION_HANDLER_SHARE *)
partition_share->partition_handler_share;
*/
if (part_num)
{
if (partition_handler_share->use_count >= part_num)
may_be_clone = TRUE;
else {
partition_handler_share->handlers[
partition_handler_share->use_count] = this;
partition_handler_share->use_count++;
}
}
/*
if (partition_handler_share->use_count == part_num)
partition_share->partition_handler_share = NULL;
*/
pthread_mutex_unlock(&partition_share->pt_handler_mutex);
pt_handler_mutex = FALSE;
}
}
#endif
memcpy(part_tables, share->part_tables,
sizeof(TABLE_LIST) * share->table_count);
memcpy(select_ignore, share->select_ignore,
sizeof(uchar) * share->use_tables_size);
memcpy(select_ignore_with_lock, share->select_ignore_with_lock,
sizeof(uchar) * share->use_tables_size);
memset((uchar *) update_ignore, 0,
sizeof(uchar) * share->use_tables_size);
#ifdef HA_CAN_BULK_ACCESS
memset(bulk_access_exec_bitmap, 0, sizeof(uchar) * share->use_tables_size);
#endif
memset(idx_read_bitmap, 0, bitmap_map_size);
memset(idx_write_bitmap, 0, bitmap_map_size);
memset(rnd_read_bitmap, 0, bitmap_map_size);
memset(rnd_write_bitmap, 0, bitmap_map_size);
#ifdef VP_SUPPORT_MRR
bzero(m_mrr_buffer, share->table_count * sizeof(HANDLER_BUFFER));
bzero(m_child_mrr_range_first,
share->table_count * sizeof(VP_CHILD_KEY_MULTI_RANGE *));
#endif
#if MYSQL_VERSION_ID < 50500
#ifdef WITH_PARTITION_STORAGE_ENGINE
/* for table partitioning */
if (table->child_l)
*(table->child_last_l) = part_tables;
#endif
#endif
for (roop_count = 0; roop_count < share->table_count; roop_count++)
{
#if MYSQL_VERSION_ID < 50500
part_tables[roop_count].lock_type = (thr_lock_type) mode;
if (roop_count < share->table_count - 1)
part_tables[roop_count].next_global = &part_tables[roop_count + 1];
#endif
part_tables[roop_count].parent_l = NULL;
#ifndef WITHOUT_VP_BG_ACCESS
bg_base[roop_count].table_idx = roop_count;
bg_base[roop_count].part_table = &part_tables[roop_count];
bg_base[roop_count].parent = this;
bg_base[roop_count].bg_init = FALSE;
bg_base[roop_count].bg_caller_sync_wait = FALSE;
#endif
}
#if MYSQL_VERSION_ID < 50500
#ifdef WITH_PARTITION_STORAGE_ENGINE
/* for table partitioning */
if (!table->child_l)
#endif
table->child_l = part_tables;
table->child_last_l = &part_tables[share->table_count - 1].next_global;
#else
children_l = part_tables;
children_last_l = &part_tables[share->table_count - 1].next_global;
#endif
DBUG_PRINT("info",("vp blob_fields=%d", table_share->blob_fields));
if (table_share->blob_fields)
{
if (!(blob_buff = new (&mr) String[table_share->fields]))
{
error_num = HA_ERR_OUT_OF_MEM;
goto error_init_blob_buff;
}
for (roop_count = 0; roop_count < (int) table_share->fields; roop_count++)
blob_buff[roop_count].set_charset(table->field[roop_count]->charset());
}
child_table_idx = share->table_count;
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (may_be_clone)
is_clone = TRUE;
#endif
if (is_clone)
{
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (part_num)
{
for (roop_count = 0; roop_count < (int) part_num; roop_count++)
{
if (((ha_vp *) partition_handler_share->handlers[roop_count])->share ==
share)
{
pt_clone_source_handler =
(ha_vp *) partition_handler_share->handlers[roop_count];
break;
}
}
}
#endif
sql_command = pt_clone_source_handler->sql_command;
lock_type_sto = pt_clone_source_handler->lock_type_sto;
lock_mode = pt_clone_source_handler->lock_mode;
update_request = pt_clone_source_handler->update_request;
pt_clone_source_handler->init_select_column(FALSE);
clone_init_select_column();
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (
partition_handler_share->clone_partition_handler_share &&
partition_handler_share->clone_partition_handler_share->use_count <
part_num
) {
clone_partition_handler_share =
partition_handler_share->clone_partition_handler_share;
clone_partition_handler_share->handlers[
clone_partition_handler_share->use_count] = this;
clone_partition_handler_share->use_count++;
#endif
if (!(clone_tables = (TABLE *)
my_multi_malloc(MYF(MY_WME),
&clone_tables, sizeof(TABLE) * share->table_count,
NullS))
) {
error_num = HA_ERR_OUT_OF_MEM;
goto error_clone_tables_alloc;
}
#ifdef WITH_PARTITION_STORAGE_ENGINE
} else {
if (!(clone_tables = (TABLE *)
my_multi_malloc(MYF(MY_WME),
&clone_tables, sizeof(TABLE) * share->table_count,
&clone_partition_handler_share,
sizeof(VP_CLONE_PARTITION_HANDLER_SHARE),
&pt_handler_share_handlers, sizeof(ha_vp *) * part_num,
&tmp_idx_read_bitmap, bitmap_map_size,
&tmp_idx_write_bitmap, bitmap_map_size,
NullS))
) {
error_num = HA_ERR_OUT_OF_MEM;
goto error_clone_tables_alloc;
}
clone_partition_handler_share->use_count = 1;
clone_partition_handler_share->handlers =
(void **) pt_handler_share_handlers;
clone_partition_handler_share->idx_read_bitmap = tmp_idx_read_bitmap;
clone_partition_handler_share->idx_write_bitmap = tmp_idx_write_bitmap;
clone_partition_handler_share->idx_bitmap_is_set = FALSE;
clone_partition_handler_share->handlers[0] = this;
partition_handler_share->clone_partition_handler_share =
clone_partition_handler_share;
}
#endif
for (roop_count = 0; roop_count < share->table_count; roop_count++)
{
part_tables[roop_count].table =
pt_clone_source_handler->part_tables[roop_count].table;
clear_child_bitmap(roop_count);
set_child_bitmap((uchar *) idx_init_write_bitmap, roop_count, TRUE);
set_child_bitmap((uchar *) idx_init_read_bitmap, roop_count, FALSE);
part_tables[roop_count].table = &clone_tables[roop_count];
memcpy(part_tables[roop_count].table,
pt_clone_source_handler->part_tables[roop_count].table, sizeof(TABLE));
if (!(part_tables[roop_count].table->file = pt_clone_source_handler->
part_tables[roop_count].table->file->clone(
part_tables[roop_count].table->s->normalized_path.str,
thd->mem_root)))
{
error_num = HA_ERR_OUT_OF_MEM;
goto error_clone;
}
}
table_lock_count = pt_clone_source_handler->table_lock_count;
child_ref_length = pt_clone_source_handler->child_ref_length;
ref_length = (child_ref_length * share->table_count) +
sizeof(ha_vp *) +
table->key_info[table_share->primary_key].key_length;
additional_table_flags = pt_clone_source_handler->additional_table_flags;
ins_child_bitmaps[0] = pt_clone_source_handler->ins_child_bitmaps[0];
ins_child_bitmaps[1] = pt_clone_source_handler->ins_child_bitmaps[1];
upd_child_bitmaps[0] = pt_clone_source_handler->upd_child_bitmaps[0];
upd_child_bitmaps[1] = pt_clone_source_handler->upd_child_bitmaps[1];
del_child_bitmaps[0] = pt_clone_source_handler->del_child_bitmaps[0];
del_child_bitmaps[1] = pt_clone_source_handler->del_child_bitmaps[1];
add_from_child_bitmaps[0] =
pt_clone_source_handler->add_from_child_bitmaps[0];
add_from_child_bitmaps[1] =
pt_clone_source_handler->add_from_child_bitmaps[1];
sel_key_init_child_bitmaps[0] =
pt_clone_source_handler->sel_key_init_child_bitmaps[0];
sel_key_init_child_bitmaps[1] =
pt_clone_source_handler->sel_key_init_child_bitmaps[1];
sel_key_child_bitmaps[0] =
pt_clone_source_handler->sel_key_child_bitmaps[0];
sel_key_child_bitmaps[1] =
pt_clone_source_handler->sel_key_child_bitmaps[1];
sel_rnd_child_bitmaps[0] =
pt_clone_source_handler->sel_rnd_child_bitmaps[0];
sel_rnd_child_bitmaps[1] =
pt_clone_source_handler->sel_rnd_child_bitmaps[1];
cached_table_flags = table_flags();
}
if (reset())
{
error_num = HA_ERR_OUT_OF_MEM;
goto error;
}
#ifndef DBUG_OFF
tmp_table = thd->open_tables;
while (tmp_table)
{
DBUG_PRINT("info",("vp tmp_table=%p", tmp_table));
DBUG_PRINT("info",("vp tmp_table->file=%p", tmp_table->file));
if (tmp_table->file)
DBUG_PRINT("info",("vp tmp_table->file->inited=%x",
tmp_table->file->inited));
tmp_table = tmp_table->next;
}
#endif
child_multi_range_first = NULL;
DBUG_RETURN(0);
error:
error_clone:
if (clone_tables)
vp_my_free(clone_tables, MYF(0));
error_clone_tables_alloc:
error_init_blob_buff:
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (
partition_handler_share &&
pt_handler_share_creator == this
) {
partition_share = share->partition_share;
if (!pt_handler_mutex)
pthread_mutex_lock(&partition_share->pt_handler_mutex);
/*
if (partition_share->partition_handler_share == partition_handler_share)
partition_share->partition_handler_share = NULL;
*/
my_hash_delete(&partition_share->pt_handler_hash,
(uchar*) partition_handler_share);
pthread_mutex_unlock(&partition_share->pt_handler_mutex);
pt_handler_mutex = FALSE;
}
error_hash_insert:
partition_handler_share = NULL;
pt_handler_share_creator = NULL;
#endif
vp_my_free(part_tables, MYF(0));
part_tables = NULL;
#ifdef VP_SUPPORT_MRR
m_range_info = NULL;
#endif
error_tables_alloc:
if (pt_handler_mutex)
pthread_mutex_unlock(&partition_share->pt_handler_mutex);
vp_free_share(share);
share = NULL;
error_get_share:
DBUG_RETURN(error_num);
}
int ha_vp::close()
{
#ifndef WITHOUT_VP_BG_ACCESS
int roop_count;
VP_BG_BASE *base;
#endif
#ifdef WITH_PARTITION_STORAGE_ENGINE
VP_PARTITION_SHARE *partition_share;
#endif
DBUG_ENTER("ha_vp::close");
DBUG_PRINT("info",("vp this=%p", this));
#ifdef HA_CAN_BULK_ACCESS
if (bulk_access_info_first)
{
do {
bulk_access_info_current = bulk_access_info_first->next;
delete_bulk_access_info(bulk_access_info_first);
bulk_access_info_first = bulk_access_info_current;
} while (bulk_access_info_first);
}
#endif
#ifdef VP_SUPPORT_MRR
int i;
if (m_child_mrr_range_first)
{
for (i = 0; i < share->table_count; i++)
{
if (m_child_mrr_range_first[i])
{
VP_CHILD_KEY_MULTI_RANGE *tmp_mrr_range_first =
m_child_mrr_range_first[i];
VP_CHILD_KEY_MULTI_RANGE *tmp_mrr_range_current;
do {
tmp_mrr_range_current = tmp_mrr_range_first;
tmp_mrr_range_first = tmp_mrr_range_first->next;
vp_my_free(tmp_mrr_range_current, MYF(0));
} while (tmp_mrr_range_first);
}
}
m_child_mrr_range_first = NULL;
}
if (m_mrr_range_first)
{
do {
m_mrr_range_current = m_mrr_range_first;
m_mrr_range_first = m_mrr_range_first->next;
if (m_mrr_range_current->key[0])
vp_my_free(m_mrr_range_current->key[0], MYF(0));
if (m_mrr_range_current->key[1])
vp_my_free(m_mrr_range_current->key[1], MYF(0));
vp_my_free(m_mrr_range_current, MYF(0));
} while (m_mrr_range_first);
}
if (m_mrr_full_buffer)
{
vp_my_free(m_mrr_full_buffer, MYF(0));
m_mrr_full_buffer = NULL;
m_mrr_full_buffer_size = 0;
}
#endif
if (is_clone)
{
for (roop_count = 0; roop_count < share->table_count; roop_count++)
{
#ifdef VP_HANDLER_HAS_HA_CLOSE
part_tables[roop_count].table->file->ha_close();
#else
part_tables[roop_count].table->file->close();
#endif
}
vp_my_free(part_tables[0].table, MYF(0));
}
#ifndef WITHOUT_VP_BG_ACCESS
for (roop_count = 0; roop_count < share->table_count; roop_count++)
{
base = &bg_base[roop_count];
free_bg_thread(base);
}
#endif
#ifdef HANDLER_HAS_TOP_TABLE_FIELDS
if (allocated_top_table_fields)
{
vp_my_free(top_table_field_for_childs[0], MYF(0));
allocated_top_table_fields = 0;
}
#endif
#ifdef WITH_PARTITION_STORAGE_ENGINE
if (
partition_handler_share &&
pt_handler_share_creator == this
) {
partition_share = share->partition_share;
pthread_mutex_lock(&partition_share->pt_handler_mutex);
/*
if (partition_share->partition_handler_share == partition_handler_share)
partition_share->partition_handler_share = NULL;
*/
my_hash_delete(&partition_share->pt_handler_hash,
(uchar*) partition_handler_share);
pthread_mutex_unlock(&partition_share->pt_handler_mutex);
}
partition_handler_share = NULL;
pt_handler_share_creator = NULL;
clone_partition_handler_share = NULL;
#endif
if (part_tables)
{
vp_my_free(part_tables, MYF(0));
part_tables = NULL;
#ifdef VP_SUPPORT_MRR
m_range_info = NULL;
#endif
}
if (ref_buf)
{
vp_my_free(ref_buf, MYF(0));
ref_buf = NULL;
}
if (share)
{
vp_free_share(share);
share = NULL;
}
#if MYSQL_VERSION_ID < 50500
table->child_l = NULL;
#else
children_l = NULL;
#endif
if (!is_clone)
free_child_bitmap_buff();
is_clone = FALSE;
pt_clone_source_handler = NULL;
while (ft_first)
{
ft_current = ft_first;
ft_first = ft_current->next;
vp_my_free(ft_current, MYF(0));
}
ft_current = NULL;
if (child_multi_range_first)
{
vp_my_free(child_multi_range_first, MYF(0));
child_multi_range_first = NULL;
}
if (mr_init)
{
free_root(&mr, MYF(0));
mr_init = FALSE;
}
DBUG_RETURN(0);
}
uint ha_vp::lock_count() const
{
DBUG_ENTER("ha_vp::lock_count");
#if MYSQL_VERSION_ID < 50500
DBUG_RETURN(table_lock_count);
#else
if (
thd_sql_command(ha_thd()) == SQLCOM_HA_OPEN ||
thd_sql_command(ha_thd()) == SQLCOM_HA_READ
) {
DBUG_PRINT("info",("vp table_lock_count=%u", table_lock_count));
DBUG_RETURN(table_lock_count);
}
DBUG_RETURN(0);
#endif
}
#ifdef HA_CAN_BULK_ACCESS
int ha_vp::additional_lock(
THD *thd,
enum thr_lock_type lock_type
) {
int error_num, roop_count;
DBUG_ENTER("ha_vp::additional_lock");
DBUG_PRINT("info",("vp this=%p", this));
for (roop_count = 0; roop_count < share->table_count; roop_count++)
{
if ((error_num = part_tables[roop_count].table->file->additional_lock(thd,
lock_type)))
DBUG_RETURN(error_num);
}
DBUG_RETURN(0);
}
#endif
THR_LOCK_DATA **ha_vp::store_lock(
THD *thd,
THR_LOCK_DATA **to,
enum thr_lock_type lock_type
) {
int roop_count;
DBUG_ENTER("ha_vp::store_lock");
DBUG_PRINT("info",("vp this=%p", this));
DBUG_PRINT("info",("vp part_tables[0].table=%p", part_tables[0].table));
sql_command = thd_sql_command(thd);
DBUG_PRINT("info",("vp sql_command=%u", sql_command));
lock_type_sto = lock_type;
DBUG_PRINT("info",("vp lock_type=%u", lock_type));
switch (sql_command)
{
case SQLCOM_SELECT:
if (lock_type == TL_READ_WITH_SHARED_LOCKS)
lock_mode = 1;
else if (lock_type <= TL_READ_NO_INSERT)
lock_mode = 0;
else
lock_mode = -1;
break;
case SQLCOM_CREATE_TABLE:
case SQLCOM_UPDATE:
case SQLCOM_INSERT:
case SQLCOM_INSERT_SELECT:
case SQLCOM_DELETE:
case SQLCOM_LOAD:
case SQLCOM_REPLACE:
case SQLCOM_REPLACE_SELECT: