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Bug#53189 Table map version unused and can be removed

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MYSQL_BIN_LOG m_table_map_version member and it's associated 
functions were not used in the logic of binlogging and replication,
this patch removed all related code.

sql/log.cc:
  removed unused m_table_map_version variable and functions
sql/log.h:
  removed unused m_table_map_version variable and functions
sql/log_event.h:
  Removed unused LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F flag
sql/sql_class.cc:
  Removed unused LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F flag
sql/sql_load.cc:
  Removed unused LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F flag
sql/table.cc:
  removed unused table_map_version variable
sql/table.h:
  removed unused table_map_version variable
This commit is contained in:
He Zhenxing 2010-05-08 11:25:33 +08:00
commit df0b6707da
7 changed files with 6 additions and 69 deletions
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2
sql/sql_load.cc
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@ -511,7 +511,6 @@ int mysql_load(THD *thd,sql_exchange *ex,TABLE_LIST *table_list,
else
{
Delete_file_log_event d(thd, db, transactional_table);
d.flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
(void) mysql_bin_log.write(&d);
}
}
@ -691,7 +690,6 @@ static bool write_execute_load_query_log_event(THD *thd, sql_exchange* ex,
(duplicates == DUP_REPLACE) ? LOAD_DUP_REPLACE :
(ignore ? LOAD_DUP_IGNORE : LOAD_DUP_ERROR),
transactional_table, FALSE, errcode);
e.flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
return mysql_bin_log.write(&e);
}