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Merge mysql.com:/nfsdisk1/lars/bkroot/mysql-5.0-rpl

Browse source 
into  mysql.com:/nfsdisk1/lars/MERGE/mysql-5.0-merge


sql/field.cc:
  Auto merged
sql/item_func.cc:
  Auto merged
sql/log.cc:
  Auto merged
sql/log_event.cc:
  Auto merged
sql/log_event.h:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/slave.cc:
  Auto merged
sql/sql_insert.cc:
  Auto merged
This commit is contained in:
unknown 2007-02-25 00:10:51 +01:00
commit 33dbda5eae
21 changed files with 644 additions and 9 deletions
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64
sql/slave.cc
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@ -5174,6 +5174,70 @@ end:
}
/**
Detects, based on master's version (as found in the relay log), if master
has a certain bug.
@param rli RELAY_LOG_INFO which tells the master's version
@param bug_id Number of the bug as found in bugs.mysql.com
@return TRUE if master has the bug, FALSE if it does not.
*/
bool rpl_master_has_bug(RELAY_LOG_INFO *rli, uint bug_id)
{
struct st_version_range_for_one_bug {
uint bug_id;
const uchar introduced_in[3]; // first version with bug
const uchar fixed_in[3]; // first version with fix
};
static struct st_version_range_for_one_bug versions_for_all_bugs[]=
{
{24432, { 5, 0, 24 }, { 5, 0, 38 } },
{24432, { 5, 1, 12 }, { 5, 1, 17 } }
};
const uchar *master_ver=
rli->relay_log.description_event_for_exec->server_version_split;
DBUG_ASSERT(sizeof(rli->relay_log.description_event_for_exec->server_version_split) == 3);
for (uint i= 0;
i < sizeof(versions_for_all_bugs)/sizeof(*versions_for_all_bugs);i++)
{
const uchar *introduced_in= versions_for_all_bugs[i].introduced_in,
*fixed_in= versions_for_all_bugs[i].fixed_in;
if ((versions_for_all_bugs[i].bug_id == bug_id) &&
(memcmp(introduced_in, master_ver, 3) <= 0) &&
(memcmp(fixed_in, master_ver, 3) > 0))
{
// a verbose message for the error log
slave_print_error(rli, ER_UNKNOWN_ERROR,
"According to the master's version ('%s'),"
" it is probable that master suffers from this bug:"
" http://bugs.mysql.com/bug.php?id=%u"
" and thus replicating the current binary log event"
" may make the slave's data become different from the"
" master's data."
" To take no risk, slave refuses to replicate"
" this event and stops."
" We recommend that all updates be stopped on the"
" master and slave, that the data of both be"
" manually synchronized,"
" that master's binary logs be deleted,"
" that master be upgraded to a version at least"
" equal to '%d.%d.%d'. Then replication can be"
" restarted.",
rli->relay_log.description_event_for_exec->server_version,
bug_id,
fixed_in[0], fixed_in[1], fixed_in[2]);
// a short message for SHOW SLAVE STATUS (message length constraints)
my_printf_error(ER_UNKNOWN_ERROR, "master may suffer from"
" http://bugs.mysql.com/bug.php?id=%u"
" so slave stops; check error log on slave"
" for more info", MYF(0), bug_id);
return TRUE;
}
}
return FALSE;
}
#ifdef HAVE_EXPLICIT_TEMPLATE_INSTANTIATION
template class I_List_iterator<i_string>;
template class I_List_iterator<i_string_pair>;