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MDEV-9058: protocol: COM_MULTI command (part 2)

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simple COM_MULTI support (no prepared statements chain yet).
This commit is contained in:
Oleksandr Byelkin
2016-01-05 20:44:45 +01:00
parent e5377457d8
commit fd1b7d0f59
9 changed files with 217 additions and 40 deletions
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22
sql/net_serv.cc
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@ -121,6 +121,8 @@ extern my_bool thd_net_is_killed();
static my_bool net_write_buff(NET *, const uchar *, ulong);
my_bool net_allocate_new_packet(NET *net, void *thd, uint my_flags);
/** Init with packet info. */
my_bool my_net_init(NET *net, Vio *vio, void *thd, uint my_flags)
@ -129,14 +131,12 @@ my_bool my_net_init(NET *net, Vio *vio, void *thd, uint my_flags)
DBUG_PRINT("enter", ("my_flags: %u", my_flags));
net->vio = vio;
my_net_local_init(net); /* Set some limits */
if (!(net->buff=(uchar*) my_malloc((size_t) net->max_packet+
NET_HEADER_SIZE + COMP_HEADER_SIZE +1,
MYF(MY_WME | my_flags))))
if (net_allocate_new_packet(net, thd, my_flags))
DBUG_RETURN(1);
net->buff_end=net->buff+net->max_packet;
net->error=0; net->return_status=0;
net->pkt_nr=net->compress_pkt_nr=0;
net->write_pos=net->read_pos = net->buff;
net->last_error[0]=0;
net->compress=0; net->reading_or_writing=0;
net->where_b = net->remain_in_buf=0;
@ -165,6 +165,18 @@ my_bool my_net_init(NET *net, Vio *vio, void *thd, uint my_flags)
DBUG_RETURN(0);
}
my_bool net_allocate_new_packet(NET *net, void *thd, uint my_flags)
{
DBUG_ENTER("net_allocate_new_packet");
if (!(net->buff=(uchar*) my_malloc((size_t) net->max_packet+
NET_HEADER_SIZE + COMP_HEADER_SIZE +1,
MYF(MY_WME | my_flags))))
DBUG_RETURN(1);
net->buff_end=net->buff+net->max_packet;
net->write_pos=net->read_pos = net->buff;
DBUG_RETURN(0);
}
void net_end(NET *net)
{