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|
/* Copyright (C) 2012-2017 Kentoku Shiba
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 */
class spider_db_mysql_util: public spider_db_util
{
public:
spider_db_mysql_util();
~spider_db_mysql_util();
int append_name(
spider_string *str,
const char *name,
uint name_length
);
int append_name_with_charset(
spider_string *str,
const char *name,
uint name_length,
CHARSET_INFO *name_charset
);
bool is_name_quote(
const char head_code
);
int append_escaped_name_quote(
spider_string *str
);
int append_column_value(
ha_spider *spider,
spider_string *str,
Field *field,
const uchar *new_ptr,
CHARSET_INFO *access_charset
);
int append_from_with_alias(
spider_string *str,
const char **table_names,
uint *table_name_lengths,
const char **table_aliases,
uint *table_alias_lengths,
uint table_count,
int *table_name_pos,
bool over_write
);
int append_trx_isolation(
spider_string *str,
int trx_isolation
);
int append_autocommit(
spider_string *str,
bool autocommit
);
int append_sql_log_off(
spider_string *str,
bool sql_log_off
);
int append_time_zone(
spider_string *str,
Time_zone *time_zone
);
int append_start_transaction(
spider_string *str
);
int append_xa_start(
spider_string *str,
XID *xid
);
int append_lock_table_head(
spider_string *str
);
int append_lock_table_body(
spider_string *str,
const char *db_name,
uint db_name_length,
CHARSET_INFO *db_name_charset,
const char *table_name,
uint table_name_length,
CHARSET_INFO *table_name_charset,
int lock_type
);
int append_lock_table_tail(
spider_string *str
);
int append_unlock_table(
spider_string *str
);
int open_item_func(
Item_func *item_func,
ha_spider *spider,
spider_string *str,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields
);
#ifdef HANDLER_HAS_DIRECT_AGGREGATE
int open_item_sum_func(
Item_sum *item_sum,
ha_spider *spider,
spider_string *str,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields
);
#endif
int append_escaped_util(
spider_string *to,
String *from
);
#ifdef SPIDER_HAS_GROUP_BY_HANDLER
int append_from_and_tables(
spider_fields *fields,
spider_string *str
);
int reappend_tables(
spider_fields *fields,
SPIDER_LINK_IDX_CHAIN *link_idx_chain,
spider_string *str
);
int append_where(
spider_string *str
);
int append_having(
spider_string *str
);
#endif
};
class spider_db_mysql_row: public spider_db_row
{
public:
MYSQL_ROW row;
MYSQL_ROW row_first;
ulong *lengths;
ulong *lengths_first;
uint field_count;
bool cloned;
spider_db_mysql_row();
~spider_db_mysql_row();
int store_to_field(
Field *field,
CHARSET_INFO *access_charset
);
int append_to_str(
spider_string *str
);
int append_escaped_to_str(
spider_string *str,
uint dbton_id
);
void first();
void next();
bool is_null();
int val_int();
double val_real();
my_decimal *val_decimal(
my_decimal *decimal_value,
CHARSET_INFO *access_charset
);
SPIDER_DB_ROW *clone();
int store_to_tmp_table(
TABLE *tmp_table,
spider_string *str
);
};
class spider_db_mysql_result: public spider_db_result
{
public:
MYSQL_RES *db_result;
spider_db_mysql_row row;
MYSQL_ROW_OFFSET first_row;
int store_error_num;
spider_db_mysql_result(SPIDER_DB_CONN *in_db_conn);
~spider_db_mysql_result();
bool has_result();
void free_result();
SPIDER_DB_ROW *current_row();
SPIDER_DB_ROW *fetch_row();
SPIDER_DB_ROW *fetch_row_from_result_buffer(
spider_db_result_buffer *spider_res_buf
);
SPIDER_DB_ROW *fetch_row_from_tmp_table(
TABLE *tmp_table
);
int fetch_table_status(
int mode,
ha_rows &records,
ulong &mean_rec_length,
ulonglong &data_file_length,
ulonglong &max_data_file_length,
ulonglong &index_file_length,
ulonglong &auto_increment_value,
time_t &create_time,
time_t &update_time,
time_t &check_time
);
int fetch_table_records(
int mode,
ha_rows &records
);
int fetch_table_cardinality(
int mode,
TABLE *table,
longlong *cardinality,
uchar *cardinality_upd,
int bitmap_size
);
int fetch_table_mon_status(
int &status
);
int fetch_show_master_status(
const char **binlog_file_name,
const char **binlog_pos
);
int fetch_select_binlog_gtid_pos(
const char **gtid_pos
);
longlong num_rows();
uint num_fields();
void move_to_pos(
longlong pos
);
int get_errno();
#ifdef SPIDER_HAS_DISCOVER_TABLE_STRUCTURE
int fetch_columns_for_discover_table_structure(
spider_string *str,
CHARSET_INFO *access_charset
);
int fetch_index_for_discover_table_structure(
spider_string *str,
CHARSET_INFO *access_charset
);
int fetch_table_for_discover_table_structure(
spider_string *str,
SPIDER_SHARE *spider_share,
CHARSET_INFO *access_charset
);
#endif
};
class spider_db_mysql: public spider_db_conn
{
int stored_error;
public:
MYSQL *db_conn;
HASH lock_table_hash;
bool lock_table_hash_inited;
uint lock_table_hash_id;
const char *lock_table_hash_func_name;
const char *lock_table_hash_file_name;
ulong lock_table_hash_line_no;
DYNAMIC_ARRAY handler_open_array;
bool handler_open_array_inited;
uint handler_open_array_id;
const char *handler_open_array_func_name;
const char *handler_open_array_file_name;
ulong handler_open_array_line_no;
spider_db_mysql(
SPIDER_CONN *conn
);
~spider_db_mysql();
int init();
bool is_connected();
void bg_connect();
int connect(
char *tgt_host,
char *tgt_username,
char *tgt_password,
long tgt_port,
char *tgt_socket,
char *server_name,
int connect_retry_count,
longlong connect_retry_interval
);
int ping();
void bg_disconnect();
void disconnect();
int set_net_timeout();
int exec_query(
const char *query,
uint length,
int quick_mode
);
int get_errno();
const char *get_error();
bool is_server_gone_error(
int error_num
);
bool is_dup_entry_error(
int error_num
);
bool is_xa_nota_error(
int error_num
);
void print_warnings(
struct tm *l_time
);
spider_db_result *store_result(
spider_db_result_buffer **spider_res_buf,
st_spider_db_request_key *request_key,
int *error_num
);
spider_db_result *use_result(
st_spider_db_request_key *request_key,
int *error_num
);
int next_result();
uint affected_rows();
ulonglong last_insert_id();
int set_character_set(
const char *csname
);
int select_db(
const char *dbname
);
int consistent_snapshot(
int *need_mon
);
bool trx_start_in_bulk_sql();
int start_transaction(
int *need_mon
);
int commit(
int *need_mon
);
int rollback(
int *need_mon
);
bool xa_start_in_bulk_sql();
int xa_start(
XID *xid,
int *need_mon
);
int xa_end(
XID *xid,
int *need_mon
);
int xa_prepare(
XID *xid,
int *need_mon
);
int xa_commit(
XID *xid,
int *need_mon
);
int xa_rollback(
XID *xid,
int *need_mon
);
bool set_trx_isolation_in_bulk_sql();
int set_trx_isolation(
int trx_isolation,
int *need_mon
);
bool set_autocommit_in_bulk_sql();
int set_autocommit(
bool autocommit,
int *need_mon
);
bool set_sql_log_off_in_bulk_sql();
int set_sql_log_off(
bool sql_log_off,
int *need_mon
);
bool set_time_zone_in_bulk_sql();
int set_time_zone(
Time_zone *time_zone,
int *need_mon
);
int exec_simple_sql_with_result(
SPIDER_TRX *trx,
SPIDER_SHARE *share,
const char *sql,
uint sql_length,
int all_link_idx,
int *need_mon,
SPIDER_DB_RESULT **res
);
int show_master_status(
SPIDER_TRX *trx,
SPIDER_SHARE *share,
int all_link_idx,
int *need_mon,
TABLE *table,
spider_string *str,
int mode,
SPIDER_DB_RESULT **res1,
SPIDER_DB_RESULT **res2
);
int select_binlog_gtid_pos(
SPIDER_TRX *trx,
SPIDER_SHARE *share,
int all_link_idx,
int *need_mon,
TABLE *table,
spider_string *str,
const char *binlog_file_name,
uint binlog_file_name_length,
const char *binlog_pos,
uint binlog_pos_length,
SPIDER_DB_RESULT **res
);
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
int append_sql(
char *sql,
ulong sql_length,
st_spider_db_request_key *request_key
);
int append_open_handler(
uint handler_id,
const char *db_name,
const char *table_name,
const char *index_name,
const char *sql,
st_spider_db_request_key *request_key
);
int append_select(
uint handler_id,
spider_string *sql,
SPIDER_DB_HS_STRING_REF_BUFFER *keys,
int limit,
int skip,
st_spider_db_request_key *request_key
);
int append_insert(
uint handler_id,
SPIDER_DB_HS_STRING_REF_BUFFER *upds,
st_spider_db_request_key *request_key
);
int append_update(
uint handler_id,
spider_string *sql,
SPIDER_DB_HS_STRING_REF_BUFFER *keys,
SPIDER_DB_HS_STRING_REF_BUFFER *upds,
int limit,
int skip,
bool increment,
bool decrement,
st_spider_db_request_key *request_key
);
int append_delete(
uint handler_id,
spider_string *sql,
SPIDER_DB_HS_STRING_REF_BUFFER *keys,
int limit,
int skip,
st_spider_db_request_key *request_key
);
void reset_request_queue();
#endif
size_t escape_string(
char *to,
const char *from,
size_t from_length
);
bool have_lock_table_list();
int append_lock_tables(
spider_string *str
);
int append_unlock_tables(
spider_string *str
);
uint get_lock_table_hash_count();
void reset_lock_table_hash();
uint get_opened_handler_count();
void reset_opened_handler();
void set_dup_key_idx(
ha_spider *spider,
int link_idx
);
bool cmp_request_key_to_snd(
st_spider_db_request_key *request_key
);
};
class spider_mysql_share: public spider_db_share
{
public:
spider_string *table_select;
int table_select_pos;
spider_string *key_select;
int *key_select_pos;
spider_string *key_hint;
spider_string *show_table_status;
spider_string *show_records;
spider_string *show_index;
spider_string *table_names_str;
spider_string *db_names_str;
spider_string *db_table_str;
#ifdef SPIDER_HAS_HASH_VALUE_TYPE
my_hash_value_type *db_table_str_hash_value;
#endif
uint table_nm_max_length;
uint db_nm_max_length;
spider_string *column_name_str;
bool same_db_table_name;
int first_all_link_idx;
spider_mysql_share(
st_spider_share *share
);
~spider_mysql_share();
int init();
uint get_column_name_length(
uint field_index
);
int append_column_name(
spider_string *str,
uint field_index
);
int append_column_name_with_alias(
spider_string *str,
uint field_index,
const char *alias,
uint alias_length
);
int append_table_name(
spider_string *str,
int all_link_idx
);
int append_table_name_with_adjusting(
spider_string *str,
int all_link_idx
);
int append_from_with_adjusted_table_name(
spider_string *str,
int *table_name_pos
);
bool need_change_db_table_name();
#ifdef SPIDER_HAS_DISCOVER_TABLE_STRUCTURE
int discover_table_structure(
SPIDER_TRX *trx,
SPIDER_SHARE *spider_share,
spider_string *str
);
#endif
private:
int create_table_names_str();
void free_table_names_str();
int create_column_name_str();
void free_column_name_str();
int convert_key_hint_str();
int append_show_table_status();
void free_show_table_status();
int append_show_records();
void free_show_records();
int append_show_index();
void free_show_index();
int append_table_select();
int append_key_select(
uint idx
);
};
class spider_mysql_handler: public spider_db_handler
{
spider_string sql;
spider_string sql_part;
spider_string sql_part2;
spider_string ha_sql;
int where_pos;
int order_pos;
int limit_pos;
public:
int table_name_pos;
private:
int ha_read_pos;
int ha_next_pos;
int ha_where_pos;
int ha_limit_pos;
int ha_table_name_pos;
uint ha_sql_handler_id;
spider_string insert_sql;
int insert_pos;
int insert_table_name_pos;
spider_string update_sql;
TABLE *upd_tmp_tbl;
TMP_TABLE_PARAM upd_tmp_tbl_prm;
spider_string tmp_sql;
int tmp_sql_pos1; /* drop db nm pos at tmp_table_join */
int tmp_sql_pos2; /* create db nm pos at tmp_table_join */
int tmp_sql_pos3; /* insert db nm pos at tmp_table_join */
int tmp_sql_pos4; /* insert val pos at tmp_table_join */
int tmp_sql_pos5; /* end of drop tbl at tmp_table_join */
spider_string dup_update_sql;
spider_string *exec_sql;
spider_string *exec_insert_sql;
spider_string *exec_update_sql;
spider_string *exec_tmp_sql;
spider_string *exec_ha_sql;
bool reading_from_bulk_tmp_table;
bool filled_up;
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
SPIDER_DB_HS_STRING_REF_BUFFER hs_upds;
#endif
SPIDER_INT_HLD *union_table_name_pos_first;
SPIDER_INT_HLD *union_table_name_pos_current;
public:
spider_mysql_share *mysql_share;
SPIDER_LINK_FOR_HASH *link_for_hash;
uchar *minimum_select_bitmap;
spider_mysql_handler(
ha_spider *spider,
spider_mysql_share *share
);
~spider_mysql_handler();
int init();
int append_index_hint(
spider_string *str,
int link_idx,
ulong sql_type
);
int append_table_name_with_adjusting(
spider_string *str,
int link_idx,
ulong sql_type
);
int append_key_column_types(
const key_range *start_key,
spider_string *str
);
int append_key_join_columns_for_bka(
const key_range *start_key,
spider_string *str,
const char **table_aliases,
uint *table_alias_lengths
);
int append_tmp_table_and_sql_for_bka(
const key_range *start_key
);
int reuse_tmp_table_and_sql_for_bka();
void create_tmp_bka_table_name(
char *tmp_table_name,
int *tmp_table_name_length,
int link_idx
);
int append_create_tmp_bka_table(
const key_range *start_key,
spider_string *str,
char *tmp_table_name,
int tmp_table_name_length,
int *db_name_pos,
CHARSET_INFO *table_charset
);
int append_drop_tmp_bka_table(
spider_string *str,
char *tmp_table_name,
int tmp_table_name_length,
int *db_name_pos,
int *drop_table_end_pos,
bool with_semicolon
);
int append_insert_tmp_bka_table(
const key_range *start_key,
spider_string *str,
char *tmp_table_name,
int tmp_table_name_length,
int *db_name_pos
);
int append_union_table_and_sql_for_bka(
const key_range *start_key
);
int reuse_union_table_and_sql_for_bka();
int append_insert_for_recovery(
ulong sql_type,
int link_idx
);
int append_update(
const TABLE *table,
my_ptrdiff_t ptr_diff
);
int append_update(
const TABLE *table,
my_ptrdiff_t ptr_diff,
int link_idx
);
int append_delete(
const TABLE *table,
my_ptrdiff_t ptr_diff
);
int append_delete(
const TABLE *table,
my_ptrdiff_t ptr_diff,
int link_idx
);
int append_insert_part();
int append_insert(
spider_string *str,
int link_idx
);
int append_update_part();
int append_update(
spider_string *str,
int link_idx
);
int append_delete_part();
int append_delete(
spider_string *str
);
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS
int append_increment_update_set_part();
int append_increment_update_set(
spider_string *str
);
#endif
#endif
int append_update_set_part();
int append_update_set(
spider_string *str
);
#ifdef HANDLER_HAS_DIRECT_UPDATE_ROWS
int append_direct_update_set_part();
int append_direct_update_set(
spider_string *str
);
int append_dup_update_pushdown_part(
const char *alias,
uint alias_length
);
int append_update_columns_part(
const char *alias,
uint alias_length
);
int check_update_columns_part();
int append_update_columns(
spider_string *str,
const char *alias,
uint alias_length
);
#endif
int append_select_part(
ulong sql_type
);
int append_select(
spider_string *str,
ulong sql_type
);
int append_table_select_part(
ulong sql_type
);
int append_table_select(
spider_string *str
);
int append_key_select_part(
ulong sql_type,
uint idx
);
int append_key_select(
spider_string *str,
uint idx
);
int append_minimum_select_part(
ulong sql_type
);
int append_minimum_select(
spider_string *str,
ulong sql_type
);
int append_table_select_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_key_select_with_alias(
spider_string *str,
const KEY *key_info,
const char *alias,
uint alias_length
);
int append_minimum_select_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_select_columns_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_hint_after_table_part(
ulong sql_type
);
int append_hint_after_table(
spider_string *str
);
void set_where_pos(
ulong sql_type
);
void set_where_to_pos(
ulong sql_type
);
int check_item_type(
Item *item
);
int append_values_connector_part(
ulong sql_type
);
int append_values_connector(
spider_string *str
);
int append_values_terminator_part(
ulong sql_type
);
int append_values_terminator(
spider_string *str
);
int append_union_table_connector_part(
ulong sql_type
);
int append_union_table_connector(
spider_string *str
);
int append_union_table_terminator_part(
ulong sql_type
);
int append_union_table_terminator(
spider_string *str
);
int append_key_column_values_part(
const key_range *start_key,
ulong sql_type
);
int append_key_column_values(
spider_string *str,
const key_range *start_key
);
int append_key_column_values_with_name_part(
const key_range *start_key,
ulong sql_type
);
int append_key_column_values_with_name(
spider_string *str,
const key_range *start_key
);
int append_key_where_part(
const key_range *start_key,
const key_range *end_key,
ulong sql_type
);
int append_key_where(
spider_string *str,
spider_string *str_part,
spider_string *str_part2,
const key_range *start_key,
const key_range *end_key,
ulong sql_type,
bool set_order
);
int append_is_null_part(
ulong sql_type,
KEY_PART_INFO *key_part,
const key_range *key,
const uchar **ptr,
bool key_eq,
bool tgt_final
);
int append_is_null(
ulong sql_type,
spider_string *str,
spider_string *str_part,
spider_string *str_part2,
KEY_PART_INFO *key_part,
const key_range *key,
const uchar **ptr,
bool key_eq,
bool tgt_final
);
int append_where_terminator_part(
ulong sql_type,
bool set_order,
int key_count
);
int append_where_terminator(
ulong sql_type,
spider_string *str,
spider_string *str_part,
spider_string *str_part2,
bool set_order,
int key_count
);
int append_match_where_part(
ulong sql_type
);
int append_match_where(
spider_string *str
);
int append_update_where(
spider_string *str,
const TABLE *table,
my_ptrdiff_t ptr_diff
);
int append_condition_part(
const char *alias,
uint alias_length,
ulong sql_type,
bool test_flg
);
int append_condition(
spider_string *str,
const char *alias,
uint alias_length,
bool start_where,
ulong sql_type
);
int append_match_against_part(
ulong sql_type,
st_spider_ft_info *ft_info,
const char *alias,
uint alias_length
);
int append_match_against(
spider_string *str,
st_spider_ft_info *ft_info,
const char *alias,
uint alias_length
);
int append_match_select_part(
ulong sql_type,
const char *alias,
uint alias_length
);
int append_match_select(
spider_string *str,
const char *alias,
uint alias_length
);
#ifdef HANDLER_HAS_DIRECT_AGGREGATE
int append_sum_select_part(
ulong sql_type,
const char *alias,
uint alias_length
);
int append_sum_select(
spider_string *str,
const char *alias,
uint alias_length
);
#endif
void set_order_pos(
ulong sql_type
);
void set_order_to_pos(
ulong sql_type
);
#ifdef HANDLER_HAS_DIRECT_AGGREGATE
int append_group_by_part(
const char *alias,
uint alias_length,
ulong sql_type
);
int append_group_by(
spider_string *str,
const char *alias,
uint alias_length
);
#endif
int append_key_order_for_merge_with_alias_part(
const char *alias,
uint alias_length,
ulong sql_type
);
int append_key_order_for_merge_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_key_order_for_direct_order_limit_with_alias_part(
const char *alias,
uint alias_length,
ulong sql_type
);
int append_key_order_for_direct_order_limit_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_key_order_with_alias_part(
const char *alias,
uint alias_length,
ulong sql_type
);
int append_key_order_for_handler(
spider_string *str,
const char *alias,
uint alias_length
);
int append_key_order_with_alias(
spider_string *str,
const char *alias,
uint alias_length
);
int append_limit_part(
longlong offset,
longlong limit,
ulong sql_type
);
int reappend_limit_part(
longlong offset,
longlong limit,
ulong sql_type
);
int append_limit(
spider_string *str,
longlong offset,
longlong limit
);
int append_select_lock_part(
ulong sql_type
);
int append_select_lock(
spider_string *str
);
int append_union_all_start_part(
ulong sql_type
);
int append_union_all_start(
spider_string *str
);
int append_union_all_part(
ulong sql_type
);
int append_union_all(
spider_string *str
);
int append_union_all_end_part(
ulong sql_type
);
int append_union_all_end(
spider_string *str
);
int append_multi_range_cnt_part(
ulong sql_type,
uint multi_range_cnt,
bool with_comma
);
int append_multi_range_cnt(
spider_string *str,
uint multi_range_cnt,
bool with_comma
);
int append_multi_range_cnt_with_name_part(
ulong sql_type,
uint multi_range_cnt
);
int append_multi_range_cnt_with_name(
spider_string *str,
uint multi_range_cnt
);
int append_open_handler_part(
ulong sql_type,
uint handler_id,
SPIDER_CONN *conn,
int link_idx
);
int append_open_handler(
spider_string *str,
uint handler_id,
SPIDER_CONN *conn,
int link_idx
);
int append_close_handler_part(
ulong sql_type,
int link_idx
);
int append_close_handler(
spider_string *str,
int link_idx
);
int append_insert_terminator_part(
ulong sql_type
);
int append_insert_terminator(
spider_string *str
);
int append_insert_values_part(
ulong sql_type
);
int append_insert_values(
spider_string *str
);
int append_into_part(
ulong sql_type
);
int append_into(
spider_string *str
);
void set_insert_to_pos(
ulong sql_type
);
int append_from_part(
ulong sql_type,
int link_idx
);
int append_from(
spider_string *str,
ulong sql_type,
int link_idx
);
int append_flush_tables_part(
ulong sql_type,
int link_idx,
bool lock
);
int append_flush_tables(
spider_string *str,
int link_idx,
bool lock
);
int append_optimize_table_part(
ulong sql_type,
int link_idx
);
int append_optimize_table(
spider_string *str,
int link_idx
);
int append_analyze_table_part(
ulong sql_type,
int link_idx
);
int append_analyze_table(
spider_string *str,
int link_idx
);
int append_repair_table_part(
ulong sql_type,
int link_idx,
HA_CHECK_OPT* check_opt
);
int append_repair_table(
spider_string *str,
int link_idx,
HA_CHECK_OPT* check_opt
);
int append_check_table_part(
ulong sql_type,
int link_idx,
HA_CHECK_OPT* check_opt
);
int append_check_table(
spider_string *str,
int link_idx,
HA_CHECK_OPT* check_opt
);
int append_enable_keys_part(
ulong sql_type,
int link_idx
);
int append_enable_keys(
spider_string *str,
int link_idx
);
int append_disable_keys_part(
ulong sql_type,
int link_idx
);
int append_disable_keys(
spider_string *str,
int link_idx
);
int append_delete_all_rows_part(
ulong sql_type
);
int append_delete_all_rows(
spider_string *str,
ulong sql_type
);
int append_truncate(
spider_string *str,
ulong sql_type,
int link_idx
);
int append_explain_select_part(
key_range *start_key,
key_range *end_key,
ulong sql_type,
int link_idx
);
int append_explain_select(
spider_string *str,
key_range *start_key,
key_range *end_key,
ulong sql_type,
int link_idx
);
bool is_sole_projection_field(
uint16 field_index
);
bool is_bulk_insert_exec_period(
bool bulk_end
);
bool sql_is_filled_up(
ulong sql_type
);
bool sql_is_empty(
ulong sql_type
);
bool support_multi_split_read();
bool support_bulk_update();
int bulk_tmp_table_insert();
int bulk_tmp_table_insert(
int link_idx
);
int bulk_tmp_table_end_bulk_insert();
int bulk_tmp_table_rnd_init();
int bulk_tmp_table_rnd_next();
int bulk_tmp_table_rnd_end();
bool need_copy_for_update(
int link_idx
);
bool bulk_tmp_table_created();
int mk_bulk_tmp_table_and_bulk_start();
void rm_bulk_tmp_table();
int store_sql_to_bulk_tmp_table(
spider_string *str,
TABLE *tmp_table
);
int restore_sql_from_bulk_tmp_table(
spider_string *str,
TABLE *tmp_table
);
int insert_lock_tables_list(
SPIDER_CONN *conn,
int link_idx
);
int append_lock_tables_list(
SPIDER_CONN *conn,
int link_idx,
int *appended
);
int realloc_sql(
ulong *realloced
);
int reset_sql(
ulong sql_type
);
#if defined(HS_HAS_SQLCOM) && defined(HAVE_HANDLERSOCKET)
int reset_keys(
ulong sql_type
);
int reset_upds(
ulong sql_type
);
int reset_strs(
ulong sql_type
);
int reset_strs_pos(
ulong sql_type
);
int push_back_upds(
SPIDER_HS_STRING_REF &info
);
#endif
bool need_lock_before_set_sql_for_exec(
ulong sql_type
);
#ifdef SPIDER_HAS_GROUP_BY_HANDLER
int set_sql_for_exec(
ulong sql_type,
int link_idx,
SPIDER_LINK_IDX_CHAIN *link_idx_chain
);
#endif
int set_sql_for_exec(
ulong sql_type,
int link_idx
);
int set_sql_for_exec(
spider_db_copy_table *tgt_ct,
ulong sql_type
);
int execute_sql(
ulong sql_type,
SPIDER_CONN *conn,
int quick_mode,
int *need_mon
);
int reset();
int sts_mode_exchange(
int sts_mode
);
int show_table_status(
int link_idx,
int sts_mode,
uint flag
);
int crd_mode_exchange(
int crd_mode
);
int show_index(
int link_idx,
int crd_mode
);
int show_records(
int link_idx
);
int show_last_insert_id(
int link_idx,
ulonglong &last_insert_id
);
ha_rows explain_select(
key_range *start_key,
key_range *end_key,
int link_idx
);
int lock_tables(
int link_idx
);
int unlock_tables(
int link_idx
);
int disable_keys(
SPIDER_CONN *conn,
int link_idx
);
int enable_keys(
SPIDER_CONN *conn,
int link_idx
);
int check_table(
SPIDER_CONN *conn,
int link_idx,
HA_CHECK_OPT* check_opt
);
int repair_table(
SPIDER_CONN *conn,
int link_idx,
HA_CHECK_OPT* check_opt
);
int analyze_table(
SPIDER_CONN *conn,
int link_idx
);
int optimize_table(
SPIDER_CONN *conn,
int link_idx
);
int flush_tables(
SPIDER_CONN *conn,
int link_idx,
bool lock
);
int flush_logs(
SPIDER_CONN *conn,
int link_idx
);
int insert_opened_handler(
SPIDER_CONN *conn,
int link_idx
);
int delete_opened_handler(
SPIDER_CONN *conn,
int link_idx
);
int sync_from_clone_source(
spider_db_handler *dbton_hdl
);
bool support_use_handler(
int use_handler
);
void minimum_select_bitmap_create();
bool minimum_select_bit_is_set(
uint field_index
);
void copy_minimum_select_bitmap(
uchar *bitmap
);
int init_union_table_name_pos();
int set_union_table_name_pos();
int reset_union_table_name(
spider_string *str,
int link_idx,
ulong sql_type
);
#ifdef SPIDER_HAS_GROUP_BY_HANDLER
int append_from_and_tables_part(
spider_fields *fields,
ulong sql_type
);
int reappend_tables_part(
spider_fields *fields,
ulong sql_type
);
int append_where_part(
ulong sql_type
);
int append_having_part(
ulong sql_type
);
int append_item_type_part(
Item *item,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields,
ulong sql_type
);
int append_list_item_select_part(
List<Item> *select,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields,
ulong sql_type
);
int append_list_item_select(
List<Item> *select,
spider_string *str,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields
);
int append_group_by_part(
ORDER *order,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields,
ulong sql_type
);
int append_group_by(
ORDER *order,
spider_string *str,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields
);
int append_order_by_part(
ORDER *order,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields,
ulong sql_type
);
int append_order_by(
ORDER *order,
spider_string *str,
const char *alias,
uint alias_length,
bool use_fields,
spider_fields *fields
);
#endif
};
class spider_mysql_copy_table: public spider_db_copy_table
{
public:
spider_mysql_share *mysql_share;
spider_string sql;
uint pos;
spider_mysql_copy_table(
spider_mysql_share *db_share
);
~spider_mysql_copy_table();
int init();
void set_sql_charset(
CHARSET_INFO *cs
);
int append_select_str();
int append_insert_str(
int insert_flg
);
int append_table_columns(
TABLE_SHARE *table_share
);
int append_from_str();
int append_table_name(
int link_idx
);
void set_sql_pos();
void set_sql_to_pos();
int append_copy_where(
spider_db_copy_table *source_ct,
KEY *key_info,
ulong *last_row_pos,
ulong *last_lengths
);
int append_key_order_str(
KEY *key_info,
int start_pos,
bool desc_flg
);
int append_limit(
longlong offset,
longlong limit
);
int append_into_str();
int append_open_paren_str();
int append_values_str();
int append_select_lock_str(
int lock_mode
);
int exec_query(
SPIDER_CONN *conn,
int quick_mode,
int *need_mon
);
int copy_key_row(
spider_db_copy_table *source_ct,
Field *field,
ulong *row_pos,
ulong *length,
const char *joint_str,
const int joint_length
);
int copy_row(
Field *field,
SPIDER_DB_ROW *row
);
int copy_rows(
TABLE *table,
SPIDER_DB_ROW *row,
ulong **last_row_pos,
ulong **last_lengths
);
int copy_rows(
TABLE *table,
SPIDER_DB_ROW *row
);
int append_insert_terminator();
int copy_insert_values(
spider_db_copy_table *source_ct
);
};
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