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MXS-1506: Add router to MXS_DOWNSTREAM helper function

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The function makes it easier to deal with the delayed query routing as
well as removing redundancy in the code.
This commit is contained in:
Markus Mäkelä
2018-04-04 09:18:26 +03:00
parent cc793b2151
commit e5e607908d
3 changed files with 23 additions and 15 deletions
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15
server/modules/routing/readwritesplit/rwsplit_route_stmt.cc
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@ -244,21 +244,14 @@ bool RWSplitSession::route_single_stmt(GWBUF *querybuf, const RouteInfo& info)
m_retry_duration < m_config.query_retry_timeout &&
!session_trx_is_active(session))
{
// This is a more convenient type
typedef int32_t (*DOWNSTREAMFUNC)(MXS_FILTER*, MXS_FILTER_SESSION*, GWBUF*);
MXS_DOWNSTREAM head;
head.instance = (MXS_FILTER*)session->service->router_instance;
head.session = (MXS_FILTER_SESSION*)session->router_session;
head.routeQuery = (DOWNSTREAMFUNC)session->service->router->routeQuery;
// Try to route the query again later
uint64_t interval = m_config.query_retry_interval;
MXS_INFO("Will try to route query again in %lu seconds", interval);
session_delay_routing(session, head, gwbuf_clone(querybuf), interval);
session_delay_routing(session, router_as_downstream(session),
gwbuf_clone(querybuf), interval);
m_retry_duration += interval;
succp = true;
MXS_INFO("Will try to route query again in %lu seconds", interval);
}
}