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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
parent 721ec08190
commit df0b6707da
7 changed files with 6 additions and 69 deletions
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2
sql/sql_class.cc
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@@ -3825,7 +3825,6 @@ int THD::binlog_flush_pending_rows_event(bool stmt_end)
if (stmt_end)
{
pending->set_flags(Rows_log_event::STMT_END_F);
pending->flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
binlog_table_maps= 0;
}
@@ -3953,7 +3952,6 @@ int THD::binlog_query(THD::enum_binlog_query_type qtype, char const *query_arg,
{
Query_log_event qinfo(this, query_arg, query_len, is_trans, suppress_use,
errcode);
qinfo.flags|= LOG_EVENT_UPDATE_TABLE_MAP_VERSION_F;
/*
Binlog table maps will be irrelevant after a Query_log_event
(they are just removed on the slave side) so after the query