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Make the slave die if master is 5.0. Indeed, 5.0 masters send

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a Format_description_log_event (or maybe it will be named
Description_log_event) which is not recognized by 4.0, so
a 4.0 can't be a slave of 5.0. We detect it early to produce
a helpful message instead of "corrupted relay log" later.
This commit is contained in:
guilhem@mysql.com
2003-10-09 17:40:38 +02:00
parent ed5d059202
commit b2500829a3
1 changed files with 3 additions and 2 deletions
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5
sql/slave.cc
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@ -1017,11 +1017,12 @@ static int check_master_version(MYSQL* mysql, MASTER_INFO* mi)
BINLOG_FORMAT_323_GEQ_57 ; BINLOG_FORMAT_323_GEQ_57 ;
break; break;
case '4': case '4':
case '5':
mi->old_format = BINLOG_FORMAT_CURRENT; mi->old_format = BINLOG_FORMAT_CURRENT;
break; break;
default: default:
errmsg = "Master reported unrecognized MySQL version"; /* 5.0 is not supported */
errmsg = "Master reported an unrecognized MySQL version. Note that 4.0 \
slaves can't replicate a 5.0 or newer master.";
break; break;
} }