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fixed --skip-slave-thread bug

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added PURGE MASTER LOGS TO and SHOW MASTER LOGS
fixed the output of SHOW MASTER STATUS
updated docs
This commit is contained in:
sasha@mysql.sashanet.com
2000-10-26 22:11:55 -06:00
parent c5a1c3c7df
commit 75cd25a579
13 changed files with 431 additions and 6 deletions
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18
sql/sql_class.h
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@ -34,12 +34,20 @@ enum enum_log_type { LOG_CLOSED, LOG_NORMAL, LOG_NEW, LOG_BIN };
#define LOG_INFO_IO -2
#define LOG_INFO_INVALID -3
#define LOG_INFO_SEEK -4
#define LOG_INFO_PURGE_NO_ROTATE -5
#define LOG_INFO_MEM -6
#define LOG_INFO_FATAL -7
#define LOG_INFO_IN_USE -8
typedef struct st_log_info
{
char log_file_name[FN_REFLEN];
my_off_t index_file_offset;
my_off_t pos;
my_off_t pos;
bool fatal; // if the purge happens to give us a negative offset
pthread_mutex_t lock;
st_log_info():fatal(0) { pthread_mutex_init(&lock, NULL);}
~st_log_info() { pthread_mutex_destroy(&lock);}
} LOG_INFO;
typedef struct st_master_info
@ -114,6 +122,7 @@ public:
int generate_new_name(char *new_name,const char *old_name);
void make_log_name(char* buf, const char* log_ident);
bool is_active(const char* log_file_name);
int purge_logs(THD* thd, const char* to_log);
void flush(void);
void close(bool exiting = 0); // if we are exiting, we also want to close the
// index file
@ -126,6 +135,9 @@ public:
inline bool is_open() { return log_type != LOG_CLOSED; }
char* get_index_fname() { return index_file_name;}
char* get_log_fname() { return log_file_name; }
void lock_index() { pthread_mutex_lock(&LOCK_index);}
void unlock_index() { pthread_mutex_unlock(&LOCK_index);}
FILE* get_index_file() { return index_file;}
};
/* character conversion tables */
@ -295,6 +307,10 @@ public:
bool volatile killed,bootstrap;
bool system_thread,in_lock_tables,global_read_lock;
bool query_error;
LOG_INFO* current_linfo;
// if we do a purge of binary logs, log index info of the threads
// that are currently reading it needs to be adjusted. To do that
// each thread that is using LOG_INFO needs to adjust the pointer to it
THD();
~THD();
bool store_globals();