SCRUM: 'Replication: PURGE LOGS with date' task

Added:

PURGE [MASTER] LOGS BEFORE date/date_expression
expire-logs-days option
  With this option old files are deleted when
      - mysqld is started
      - log is rotated
      - someone does FLUSH LOGS






sql/lex.h:
  For PURGE LOGS BEFORE
sql/log.cc:
  Added purge_logs_before_date to MYSQL_LOG class
sql/mysql_priv.h:
  For startup option --expire-logs-days
sql/mysqld.cc:
  Added options expire-logs-days
  When mysqld is started old log files are deleted.
sql/sql_class.h:
  For PURGE LOGS BEFORE and expire-log-days option
sql/sql_lex.h:
  For PURGE LOGS BEFORE
sql/sql_parse.cc:
  Old logs are deleted
  when someone does FLUSH LOGS
sql/sql_repl.cc:
  For PURGE LOGS BEFORE and expire-log-days option
sql/sql_repl.h:
  For PURGE LOGS BEFORE and expire-log-days option
sql/sql_yacc.yy:
  For PURGE LOGS BEFORE

1 files changed, 1 insertions, 0 deletions

diff --git a/sql/mysql_priv.h b/sql/mysql_priv.h
index 7a354ef5ff1..e9c31630145 100644
--- a/sql/mysql_priv.h
+++ b/sql/mysql_priv.h
@@ -703,6 +703,7 @@ extern ulong binlog_cache_size, max_binlog_cache_size, open_files_limit;
 extern ulong max_binlog_size, rpl_recovery_rank, thread_cache_size;
 extern ulong com_stat[(uint) SQLCOM_END], com_other, back_log;
 extern ulong specialflag, current_pid;
+extern ulong expire_logs_days;
 
 extern uint test_flags,select_errors,ha_open_options;
 extern uint protocol_version,dropping_tables;