database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Merge mysql.com:/home/my/mysql-5.0

Browse Source 
into  mysql.com:/home/my/mysql-5.1
This commit is contained in:
monty@mysql.com
2005-11-05 01:32:55 +02:00
parent 3b74bb1b03 303f6b4a7a
commit a6f5375cb0
487 changed files with 26830 additions and 7411 deletions
Download Patch File Download Diff File Expand all files Collapse all files

75
sql/sql_class.h
View File

@ -189,8 +189,11 @@ class MYSQL_LOG: public TC_LOG
{
private:
/* LOCK_log and LOCK_index are inited by init_pthread_objects() */
pthread_mutex_t LOCK_log, LOCK_index;
pthread_mutex_t LOCK_log, LOCK_index, LOCK_readers;
pthread_mutex_t LOCK_prep_xids;
pthread_cond_t COND_prep_xids;
pthread_cond_t update_cond;
pthread_cond_t reset_cond;
ulonglong bytes_written;
time_t last_time,query_start;
IO_CACHE log_file;
@ -198,21 +201,6 @@ class MYSQL_LOG: public TC_LOG
char *name;
char time_buff[20],db[NAME_LEN+1];
char log_file_name[FN_REFLEN],index_file_name[FN_REFLEN];
// current file sequence number for load data infile binary logging
uint file_id;
uint open_count; // For replication
volatile enum_log_type log_type;
enum cache_type io_cache_type;
bool write_error, inited;
bool need_start_event;
/*
no_auto_events means we don't want any of these automatic events :
Start/Rotate/Stop. That is, in 4.x when we rotate a relay log, we don't want
a Rotate_log event to be written to the relay log. When we start a relay log
etc. So in 4.x this is 1 for relay logs, 0 for binlogs.
In 5.0 it's 0 for relay logs too!
*/
bool no_auto_events;
/*
The max size before rotation (usable only if log_type == LOG_BIN: binary
logs and relay logs).
@ -224,13 +212,38 @@ class MYSQL_LOG: public TC_LOG
fix_max_relay_log_size).
*/
ulong max_size;
ulong prepared_xids; /* for tc log - number of xids to remember */
pthread_mutex_t LOCK_prep_xids;
pthread_cond_t COND_prep_xids;
volatile enum_log_type log_type;
enum cache_type io_cache_type;
// current file sequence number for load data infile binary logging
uint file_id;
uint open_count; // For replication
int readers_count;
bool reset_pending;
bool write_error, inited;
bool need_start_event;
/*
no_auto_events means we don't want any of these automatic events :
Start/Rotate/Stop. That is, in 4.x when we rotate a relay log, we don't
want a Rotate_log event to be written to the relay log. When we start a
relay log etc. So in 4.x this is 1 for relay logs, 0 for binlogs.
In 5.0 it's 0 for relay logs too!
*/
bool no_auto_events;
friend class Log_event;
public:
/*
These describe the log's format. This is used only for relay logs.
_for_exec is used by the SQL thread, _for_queue by the I/O thread. It's
necessary to have 2 distinct objects, because the I/O thread may be reading
events in a different format from what the SQL thread is reading (consider
the case of a master which has been upgraded from 5.0 to 5.1 without doing
RESET MASTER, or from 4.x to 5.0).
*/
Format_description_log_event *description_event_for_exec,
*description_event_for_queue;
MYSQL_LOG();
/*
note that there's no destructor ~MYSQL_LOG() !
@ -243,18 +256,6 @@ public:
int log(THD *thd, my_xid xid);
void unlog(ulong cookie, my_xid xid);
int recover(IO_CACHE *log, Format_description_log_event *fdle);
/*
These describe the log's format. This is used only for relay logs.
_for_exec is used by the SQL thread, _for_queue by the I/O thread. It's
necessary to have 2 distinct objects, because the I/O thread may be reading
events in a different format from what the SQL thread is reading (consider
the case of a master which has been upgraded from 5.0 to 5.1 without doing
RESET MASTER, or from 4.x to 5.0).
*/
Format_description_log_event *description_event_for_exec,
*description_event_for_queue;
void reset_bytes_written()
{
bytes_written = 0;
@ -334,6 +335,9 @@ public:
int purge_logs_before_date(time_t purge_time);
int purge_first_log(struct st_relay_log_info* rli, bool included);
bool reset_logs(THD* thd);
inline bool is_reset_pending() { return reset_pending; }
void readers_addref();
void readers_release();
void close(uint exiting);
// iterating through the log index file
@ -1115,6 +1119,14 @@ class THD :public Statement,
public Open_tables_state
{
public:
/*
Constant for THD::where initialization in the beginning of every query.
It's needed because we do not save/restore THD::where normally during
primary (non subselect) query execution.
*/
static const char * const DEFAULT_WHERE;
#ifdef EMBEDDED_LIBRARY
struct st_mysql *mysql;
struct st_mysql_data *data;
@ -1911,6 +1923,7 @@ typedef struct st_sort_field {
Field *field; /* Field to sort */
Item *item; /* Item if not sorting fields */
uint length; /* Length of sort field */
uint suffix_length; /* Length suffix (0-4) */
Item_result result_type; /* Type of item */
bool reverse; /* if descending sort */
bool need_strxnfrm; /* If we have to use strxnfrm() */