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Fix for BUG#7658 "optimize crashes slave thread (1 in 1000)]":

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mysql_admin_table() attempted to write to a vio which was 0. I could have fixed mysql_admin_table()
but fixing my_net_write() looked more future-proof.


sql/net_serv.cc:
  If no VIO, no write.
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unknown 2005-01-10 13:52:32 +01:00
parent 04498c2a4f
commit d8d9f79e09
1 changed files with 2 additions and 0 deletions
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sql/net_serv.cc
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@ -227,6 +227,8 @@ int
my_net_write(NET *net,const char *packet,ulong len) my_net_write(NET *net,const char *packet,ulong len)
{ {
uchar buff[NET_HEADER_SIZE]; uchar buff[NET_HEADER_SIZE];
if (unlikely(!net->vio)) // nowhere to write
return 0;
/* /*
Big packets are handled by splitting them in packets of MAX_PACKET_LENGTH Big packets are handled by splitting them in packets of MAX_PACKET_LENGTH
length. The last packet is always a packet that is < MAX_PACKET_LENGTH. length. The last packet is always a packet that is < MAX_PACKET_LENGTH.