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252 lines
7.5 KiB
252 lines
7.5 KiB
#ifndef __CLASS_MYSQL_CONNECTION_H
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#define __CLASS_MYSQL_CONNECTION_H
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#include "proxysql.h"
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#include "cpp.h"
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#define STATUS_MYSQL_CONNECTION_TRANSACTION 0x00000001
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#define STATUS_MYSQL_CONNECTION_COMPRESSION 0x00000002
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#define STATUS_MYSQL_CONNECTION_USER_VARIABLE 0x00000004
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#define STATUS_MYSQL_CONNECTION_PREPARED_STATEMENT 0x00000008
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#define STATUS_MYSQL_CONNECTION_LOCK_TABLES 0x00000010
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#define STATUS_MYSQL_CONNECTION_TEMPORARY_TABLE 0x00000020
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#define STATUS_MYSQL_CONNECTION_GET_LOCK 0x00000040
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#define STATUS_MYSQL_CONNECTION_NO_MULTIPLEX 0x00000080
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#define STATUS_MYSQL_CONNECTION_SQL_LOG_BIN0 0x00000100
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#define STATUS_MYSQL_CONNECTION_FOUND_ROWS 0x00000200
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#define STATUS_MYSQL_CONNECTION_NO_BACKSLASH_ESCAPES 0x00000400
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enum charset_action {
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UNKNOWN,
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NAMES,
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CHARSET
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};
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class MySQL_Connection_userinfo {
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private:
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uint64_t compute_hash();
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public:
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uint64_t hash;
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char *username;
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char *password;
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char *schemaname;
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char *sha1_pass;
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char *fe_username;
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MySQL_Connection_userinfo();
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~MySQL_Connection_userinfo();
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void set(char *, char *, char *, char *);
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void set(MySQL_Connection_userinfo *);
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bool set_schemaname(char *, int);
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};
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class MySQL_Connection {
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private:
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bool is_expired(unsigned long long timeout);
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unsigned long long inserted_into_pool;
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public:
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struct {
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char *server_version;
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char *sql_mode;
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char *time_zone;
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uint32_t sql_mode_int;
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uint32_t time_zone_int;
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uint32_t character_set_results_int;
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uint32_t isolation_level_int;
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uint32_t transaction_read_int;
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uint32_t tx_isolation_int;
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uint32_t session_track_gtids_int;
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uint32_t sql_auto_is_null_int;
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uint32_t sql_select_limit_int;
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uint32_t sql_safe_updates_int;
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uint32_t collation_connection_int;
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uint32_t net_write_timeout_int;
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uint32_t max_join_size_int;
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uint32_t max_allowed_pkt;
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uint32_t server_capabilities;
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uint32_t client_flag;
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unsigned int compression_min_length;
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char *init_connect;
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bool init_connect_sent;
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char * character_set_results;
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char * isolation_level;
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char * transaction_read;
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char * tx_isolation;
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char * session_track_gtids;
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char * sql_auto_is_null;
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char * sql_select_limit;
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char * sql_safe_updates;
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char * collation_connection;
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char * net_write_timeout;
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char * max_join_size;
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bool isolation_level_sent;
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bool tx_isolation_sent;
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bool transaction_read_sent;
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bool character_set_results_sent;
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bool session_track_gtids_sent;
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bool sql_auto_is_null_sent;
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bool sql_select_limit_sent;
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bool sql_safe_updates_sent;
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bool collation_connection_sent;
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bool net_write_timeout_sent;
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bool max_join_size_sent;
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bool sql_mode_sent;
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char *ldap_user_variable;
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char *ldap_user_variable_value;
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bool ldap_user_variable_sent;
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uint8_t protocol_version;
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unsigned int charset;
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enum charset_action charset_action;
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uint8_t sql_log_bin;
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int8_t last_set_autocommit;
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bool autocommit;
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bool no_backslash_escapes;
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} options;
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struct {
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unsigned long length;
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char *ptr;
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MYSQL_STMT *stmt;
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MYSQL_RES *stmt_result;
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stmt_execute_metadata_t *stmt_meta;
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} query;
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char scramble_buff[40];
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unsigned long long creation_time;
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unsigned long long last_time_used;
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unsigned long long timeout;
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int auto_increment_delay_token;
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int fd;
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MySQL_STMTs_local_v14 *local_stmts; // local view of prepared statements
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MYSQL *mysql;
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MYSQL *ret_mysql;
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MYSQL_RES *mysql_result;
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MYSQL_ROW mysql_row;
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MySQL_ResultSet *MyRS;
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MySQL_ResultSet *MyRS_reuse;
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MySrvC *parent;
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MySQL_Connection_userinfo *userinfo;
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MySQL_Data_Stream *myds;
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enum MySerStatus server_status; // this to solve a side effect of #774
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bytes_stats_t bytes_info; // bytes statistics
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struct {
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unsigned long long questions;
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unsigned long long myconnpoll_get;
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unsigned long long myconnpoll_put;
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} statuses;
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unsigned long largest_query_length;
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uint32_t status_flags;
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int async_exit_status; // exit status of MariaDB Client Library Non blocking API
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int interr; // integer return
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MDB_ASYNC_ST async_state_machine; // Async state machine
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short wait_events;
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uint8_t compression_pkt_id;
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my_bool ret_bool;
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bool async_fetch_row_start;
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bool send_quit;
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bool reusable;
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bool has_prepared_statement;
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bool processing_prepared_statement_prepare;
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bool processing_prepared_statement_execute;
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bool processing_multi_statement;
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bool multiplex_delayed;
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bool unknown_transaction_status;
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void compute_unknown_transaction_status();
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char gtid_uuid[128];
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MySQL_Connection();
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~MySQL_Connection();
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bool set_autocommit(bool);
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bool set_no_backslash_escapes(bool);
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unsigned int set_charset(unsigned int, enum charset_action);
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void set_status_transaction(bool);
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void set_status_compression(bool);
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void set_status_get_lock(bool);
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void set_status_lock_tables(bool);
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void set_status_temporary_table(bool);
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void set_status_no_backslash_escapes(bool);
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void set_status_prepared_statement(bool);
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void set_status_user_variable(bool);
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void set_status_no_multiplex(bool);
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void set_status_sql_log_bin0(bool);
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void set_status_found_rows(bool);
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bool get_status_transaction();
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bool get_status_compression();
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bool get_status_get_lock();
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bool get_status_lock_tables();
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bool get_status_temporary_table();
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bool get_status_no_backslash_escapes();
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bool get_status_prepared_statement();
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bool get_status_user_variable();
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bool get_status_no_multiplex();
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bool get_status_sql_log_bin0();
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bool get_status_found_rows();
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void connect_start();
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void connect_cont(short event);
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void change_user_start();
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void change_user_cont(short event);
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void ping_start();
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void ping_cont(short event);
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void set_autocommit_start();
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void set_autocommit_cont(short event);
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void set_names_start();
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void set_names_cont(short event);
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void real_query_start();
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void real_query_cont(short event);
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void store_result_start();
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void store_result_cont(short event);
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void initdb_start();
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void initdb_cont(short event);
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void set_option_start();
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void set_option_cont(short event);
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void set_query(char *stmt, unsigned long length);
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MDB_ASYNC_ST handler(short event);
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void next_event(MDB_ASYNC_ST new_st);
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int async_connect(short event);
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int async_change_user(short event);
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int async_select_db(short event);
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int async_set_autocommit(short event, bool);
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int async_set_names(short event, unsigned int nr);
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int async_send_simple_command(short event, char *stmt, unsigned long length); // no result set expected
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int async_query(short event, char *stmt, unsigned long length, MYSQL_STMT **_stmt=NULL, stmt_execute_metadata_t *_stmt_meta=NULL);
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int async_ping(short event);
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int async_set_option(short event, bool mask);
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void stmt_prepare_start();
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void stmt_prepare_cont(short event);
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void stmt_execute_start();
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void stmt_execute_cont(short event);
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void stmt_execute_store_result_start();
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void stmt_execute_store_result_cont(short event);
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void async_free_result();
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bool IsActiveTransaction(); /* {
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bool ret=false;
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if (mysql) {
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ret = (mysql->server_status & SERVER_STATUS_IN_TRANS);
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if (ret == false && (mysql)->net.last_errno) {
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ret = true;
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}
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}
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return ret;
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} */
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bool IsServerOffline();
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bool IsAutoCommit();
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bool MultiplexDisabled();
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bool IsKeepMultiplexEnabledVariables(char *query_digest_text);
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void ProcessQueryAndSetStatusFlags(char *query_digest_text);
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void optimize();
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void close_mysql();
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void set_is_client(); // used for local_stmts
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void reset();
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bool get_gtid(char *buff, uint64_t *trx_id);
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void reduce_auto_increment_delay_token() { if (auto_increment_delay_token) auto_increment_delay_token--; };
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bool match_tracked_options(MySQL_Connection *c);
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};
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#endif /* __CLASS_MYSQL_CONNECTION_H */
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