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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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4
server/modules/protocol/mysql_common.c
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@ -181,7 +181,7 @@ int gw_read_backend_handshake(MySQLProtocol *conn) {
conn->state = MYSQL_AUTH_SENT;
// consume all the data here
head = gwbuf_consume(head, gwbuf_length(head));
head = gwbuf_consume(head, GWBUF_LENGTH(head));
return 0;
}
@ -337,7 +337,7 @@ int gw_receive_backend_auth(
/*<
* Remove data from buffer.
*/
head = gwbuf_consume(head, gwbuf_length(head));
head = gwbuf_consume(head, GWBUF_LENGTH(head));
}
else if (n == 0)
{