maria-developers team mailing list archive

[Varun Gupta <varungupta1803@xxxxxxxxx>]

On Sat, Feb 4, 2017 at 4:21 AM, Sergey Petrunia <sergey@xxxxxxxxxxx> wrote:

> Hi Varun,
>
> On Fri, Feb 03, 2017 at 08:20:51PM +0530, Varun wrote:
> > revision-id: 787610a1f5cec04311fd16f6c1de87171e5cfdd4
> (mariadb-10.2.3-159-g787610a)
> > parent(s): bc12d993d7bc94a9533028a258afc7e4ceb21e92
> > author: Varun Gupta
> > committer: Varun Gupta
> > timestamp: 2017-02-03 20:17:16 +0530
> > message:
> >
> > MDEV-10766: Queries which start with WITH clause do not get inserted
> into query cache
> >
> > Added conditions so that the WITH queries are also added to the query
> cache
> >
> > ---
> >  mysql-test/r/query_cache.result | 30 ++++++++++++++++++++++++++++++
> >  mysql-test/t/query_cache.test   | 14 ++++++++++++++
> >  sql/sql_cache.cc                |  5 ++++-
> >  3 files changed, 48 insertions(+), 1 deletion(-)
> >
> > diff --git a/mysql-test/r/query_cache.result b/mysql-test/r/query_cache.
> result
> > index d34c96c..fa169d4 100644
> > --- a/mysql-test/r/query_cache.result
> > +++ b/mysql-test/r/query_cache.result
> > @@ -2136,6 +2136,36 @@ Qcache_hits    1
> >  use test;
> >  drop database `foo.bar`;
> >  End of 10.0 tests
> > +FLUSH USER_STATISTICS;
> > +FLUSH CLIENT_STATISTICS;
>
> I'm wondering what is the reason for the above? Qcache_XXX status variables
> are flushed with FLUSH STATUS.
>

Updated

>
> > +flush status;
> > +show status like "Qcache_inserts";
> > +Variable_name        Value
> > +Qcache_inserts       0
> > +create table t1 (i int);
> > +with cte as (select * from t1) select * from cte;
> > +i
> > +show status like "Qcache_queries_in_cache";
> > +Variable_name        Value
> > +Qcache_queries_in_cache      1
> > +show status like "Qcache_inserts";
> > +Variable_name        Value
> > +Qcache_inserts       1
> > +show status like "Qcache_hits";
> > +Variable_name        Value
> > +Qcache_hits  0
> > +with cte as (select * from t1) select * from cte;
> > +i
> > +show status like "Qcache_queries_in_cache";
> > +Variable_name        Value
> > +Qcache_queries_in_cache      1
> > +show status like "Qcache_inserts";
> > +Variable_name        Value
> > +Qcache_inserts       1
> > +show status like "Qcache_hits";
> > +Variable_name        Value
> > +Qcache_hits  1
> > +drop table t1;
> >  restore defaults
> >  SET GLOBAL query_cache_type= default;
> >  SET GLOBAL query_cache_size= default;
>
> BR
>  Sergei
> --
> Sergei Petrunia, Software Developer
> MariaDB Corporation | Skype: sergefp | Blog: http://s.petrunia.net/blog
>
>
>