terminology_use_previous.cc File Reference

#include "storage/perfschema/terminology_use_previous.h"
#include <string>
#include <unordered_map>
#include <vector>
#include "include/my_base.h"
#include "my_dbug.h"
#include "sql/sql_class.h"
#include "storage/perfschema/pfs_instr_class.h"

Namespaces
namespace	terminology_use_previous
	In respect to the organization of modules, this really belongs in terminology_use_previous.h.

Typedefs
using	str_map_t = std::unordered_map< std::string, const char * >
using	class_map_t = std::unordered_map< PFS_class_type, str_map_t >
using	version_vector_t = std::vector< class_map_t >

Functions
compatible_name_t	terminology_use_previous::lookup (PFS_class_type class_type, std::string str, bool use_prefix=true)
	For a given PFS_class_type, and a name within that class, return the version-dependent alias for that name. More...
bool	terminology_use_previous::is_older_required (enum_compatibility_version version)
	Checks the session variable @session.terminology_use_previous, to determine whether an instrumented object that was renamed in the given version should use the old name. More...

Variables
static str_map_t	mutex_map_8_0_26
	Maps that describe the name changes enabled by setting terminology_use_previous. More...
static str_map_t	rwlock_map_8_0_26
static str_map_t	cond_map_8_0_26
static str_map_t	memory_map_8_0_26
static str_map_t	thread_map_8_0_26
static str_map_t	stage_map_8_0_26
static str_map_t	thread_command_map_8_0_26
static class_map_t	class_map_8_0_26
static version_vector_t	version_vector

Typedef Documentation

class_map_t

using class_map_t = std::unordered_map<PFS_class_type, str_map_t>

str_map_t

using str_map_t = std::unordered_map<std::string, const char *>

version_vector_t

using version_vector_t = std::vector<class_map_t>

Variable Documentation

class_map_8_0_26

class_map_t class_map_8_0_26

static

Initial value:

= {
    {PFS_CLASS_MUTEX, mutex_map_8_0_26},
    {PFS_CLASS_RWLOCK, rwlock_map_8_0_26},
    {PFS_CLASS_COND, cond_map_8_0_26},
    {PFS_CLASS_MEMORY, memory_map_8_0_26},
    {PFS_CLASS_THREAD, thread_map_8_0_26},
    {PFS_CLASS_STAGE, stage_map_8_0_26},
    {PFS_CLASS_STATEMENT, thread_command_map_8_0_26},
}

cond_map_8_0_26

str_map_t cond_map_8_0_26

static

Initial value:

= {
    
    {"wait/synch/cond/sql/Relay_log_info::replica_worker_hash_cond",
     "wait/synch/cond/sql/Relay_log_info::slave_worker_hash_lock"},
    {"wait/synch/cond/sql/Source_info::data_cond",
     "wait/synch/cond/sql/Master_info::data_cond"},
    {"wait/synch/cond/sql/Source_info::start_cond",
     "wait/synch/cond/sql/Master_info::start_cond"},
    {"wait/synch/cond/sql/Source_info::stop_cond",
     "wait/synch/cond/sql/Master_info::stop_cond"},
    {"wait/synch/cond/sql/Source_info::sleep_cond",
     "wait/synch/cond/sql/Master_info::sleep_cond"},
    {"wait/synch/cond/sql/Source_info::rotate_cond",
     "wait/synch/cond/sql/Master_info::rotate_cond"},
    {"wait/synch/cond/sql/Relay_log_info::mta_gaq_cond",
     "wait/synch/cond/sql/Relay_log_info::mts_gaq_cond"},
}

memory_map_8_0_26

str_map_t memory_map_8_0_26

static

Initial value:

= {
    {"memory/sql/Replica_job_group::group_relay_log_name",
     "memory/sql/Slave_job_group::group_relay_log_name"},
    {"memory/sql/rpl_replica::check_temp_dir",
     "memory/sql/rpl_slave::check_temp_dir"},
    {"memory/sql/REPLICA_INFO", "memory/sql/SLAVE_INFO"},
    {"memory/sql/show_replica_status_io_gtid_set",
     "memory/sql/show_slave_status_io_gtid_set"},
    {"memory/sql/Relay_log_info::mta_coor",
     "memory/sql/Relay_log_info::mts_coor"},
}

mutex_map_8_0_26

str_map_t mutex_map_8_0_26

static

Initial value:

= {
    {"wait/synch/mutex/sql/Source_info::data_lock",
     "wait/synch/mutex/sql/Master_info::data_lock"},
    {"wait/synch/mutex/sql/Source_info::run_lock",
     "wait/synch/mutex/sql/Master_info::run_lock"},
    {"wait/synch/mutex/sql/Source_info::sleep_lock",
     "wait/synch/mutex/sql/Master_info::sleep_lock"},
    {"wait/synch/mutex/sql/Source_info::info_thd_lock",
     "wait/synch/mutex/sql/Master_info::info_thd_lock"},
    {"wait/synch/mutex/sql/Source_info::rotate_lock",
     "wait/synch/mutex/sql/Master_info::rotate_lock"},
    {"wait/synch/mutex/sql/Replica_reporting_capability::err_lock",
     "wait/synch/mutex/sql/Slave_reporting_capability::err_lock"},
    {"wait/synch/mutex/sql/key_mta_temp_table_LOCK",
     "wait/synch/mutex/sql/key_mts_temp_table_LOCK"},
    {"wait/synch/mutex/sql/key_mta_gaq_LOCK",
     "wait/synch/mutex/sql/key_mts_gaq_LOCK"},
    {"wait/synch/mutex/sql/Relay_log_info::replica_worker_hash_lock",
     "wait/synch/mutex/sql/Relay_log_info::slave_worker_hash_lock"},
    {"wait/synch/mutex/sql/LOCK_replica_list",
     "wait/synch/mutex/sql/LOCK_slave_list"},
    {"wait/synch/mutex/sql/LOCK_replica_net_timeout",
     "wait/synch/mutex/sql/LOCK_slave_net_timeout"},
    {"wait/synch/mutex/sql/LOCK_sql_replica_skip_counter",
     "wait/synch/mutex/sql/LOCK_sql_slave_skip_counter"},
}

Maps that describe the name changes enabled by setting terminology_use_previous.

The version_vector is a vector where each element holds information about names changed in a given server release. Each element of version_vector is a map where keys are the instrumentation class of type PFS_class_type, and the values are maps that hold information about the names changed for that class, within the given server release. In the latter map, the keys and values are strings, represented as std::string and const char *, respectively, where each key is the version of a name introduced in the given release and the corresponding value is the name that was used before that release.

When you add elements, note that you need to increment the number passed as argument in the call to plan() in main() in storage/perfschema/unittest/pfs-t.cc, by the number of added elements.

rwlock_map_8_0_26

str_map_t rwlock_map_8_0_26

static

Initial value:

= {
    {"wait/synch/rwlock/sql/LOCK_sys_init_replica",
     "wait/synch/rwlock/sql/LOCK_sys_init_slave"},
}

stage_map_8_0_26

str_map_t stage_map_8_0_26

static

thread_command_map_8_0_26

str_map_t thread_command_map_8_0_26

static

Initial value:

= {
    {"statement/com/Register Replica", "statement/com/Register Slave"}}

thread_map_8_0_26

str_map_t thread_map_8_0_26

static

Initial value:

= {
    {"thread/sql/replica_io", "thread/sql/slave_io"},
    {"thread/sql/replica_sql", "thread/sql/slave_sql"},
    {"thread/sql/replica_worker", "thread/sql/slave_worker"},
}

version_vector

version_vector_t version_vector

static

Initial value:

= {
    class_map_8_0_26,
}