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Extended session command support to cover COM_CHANGE_USER, and COM_INIT_DB.

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This implementation doesn't guarantee execution order between session commands and queries
if other backend server lags behind in session command execution.

In poll.c : moved processing of EPOLLERR and EPOLLHUP after processing of EPOLLIN and EPOLLOUT.
This ensures that COM_QUIT messages are read and routed forward before signals arrive (from local client/backend).
This commit is contained in:
VilhoRaatikka
2014-03-14 13:25:37 +02:00
parent cb6a976555
commit a3f7eebdc9
8 changed files with 233 additions and 293 deletions
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5
server/core/buffer.c
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@ -130,7 +130,6 @@ GWBUF *rval;
rval->end = buf->end;
rval->gwbuf_type = buf->gwbuf_type;
rval->next = NULL;
// rval->command = buf->command;
CHK_GWBUF(rval);
return rval;
}
@ -234,6 +233,7 @@ GWBUF *ptr = head;
if (!head)
return tail;
CHK_GWBUF(head);
CHK_GWBUF(tail);
while (ptr->next)
{
ptr = ptr->next;
@ -262,9 +262,10 @@ GWBUF *
gwbuf_consume(GWBUF *head, unsigned int length)
{
GWBUF *rval = head;
CHK_GWBUF(head);
GWBUF_CONSUME(head, length);
CHK_GWBUF(head);
if (GWBUF_EMPTY(head))
{
rval = head->next;