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Use references instead of copies of SRWBackend

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As the DCB passed as the clientReply parameter is guaranteed to match one
of the DCBs in the RWBackends. By using a reference, the need to copy a
shared_ptr is removed (along with the atomic operation that it implies)
thus reducing the overhead in the clientReply and the functions it uses.
This commit is contained in:
Markus Mäkelä
2017-10-06 11:34:33 +03:00
committed by Johan Wikman
parent a6eeed98fe
commit ecb56ef540
3 changed files with 39 additions and 39 deletions
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2
server/modules/routing/readwritesplit/rwsplit_internal.hh
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@ -47,7 +47,7 @@ bool route_single_stmt(RWSplit *inst, RWSplitSession *rses,
GWBUF *querybuf);
void closed_session_reply(GWBUF *querybuf);
void print_error_packet(RWSplitSession *rses, GWBUF *buf, DCB *dcb);
void check_session_command_reply(GWBUF *writebuf, SRWBackend bref);
void check_session_command_reply(GWBUF *buffer, SRWBackend& backend);
bool execute_sescmd_in_backend(SRWBackend& backend_ref);
bool handle_target_is_all(route_target_t route_target,
RWSplit *inst, RWSplitSession *rses,