diff options
Diffstat (limited to 'sql/log.h')
-rw-r--r-- | sql/log.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sql/log.h b/sql/log.h index 891134a9762..d54df8add3b 100644 --- a/sql/log.h +++ b/sql/log.h @@ -233,6 +233,13 @@ class MYSQL_BIN_LOG: public TC_LOG, private MYSQL_LOG pthread_cond_t update_cond; ulonglong bytes_written; IO_CACHE index_file; + /* + purge_temp is a temp file used in purge_logs so that the index file + can be updated before deleting files from disk, yielding better crash + recovery. It is created on demand the first time purge_logs is called + and then reused for subsequent calls. It is cleaned up in cleanup(). + */ + IO_CACHE purge_temp; char index_file_name[FN_REFLEN]; /* The max size before rotation (usable only if log_type == LOG_BIN: binary @@ -274,6 +281,10 @@ class MYSQL_BIN_LOG: public TC_LOG, private MYSQL_LOG public: MYSQL_LOG::generate_name; MYSQL_LOG::is_open; + + /* This is relay log */ + bool is_relay_log; + /* 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 |