Date: Wed, 18 Mar 2015 14:01:04 +0100 (CET)
From: Andreas Joseph Krogh <andreas@visena.com>
To: pgsql-sql@postgresql.org
Message-ID: <VisenaEmail.35.3a752eb0ccc59659.14c2cf6ffdf@tc7-visena>
In-Reply-To: <1426683287617.19714@metametrics.co.uk>
Subject: Re: Effective query for listing flags in use by messages in a folder
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P=C3=A5 onsdag 18. mars 2015 kl. 13:54:50, skrev Hector Vass <
hector.vass@metametrics.co.uk <mailto:hector.vass@metametrics.co.uk>>: OK I=
 get=20
it ..

=C2=A0

drop type if exists myflags cascade; create type myflags as=20
enum('is_seen','is_replied','is_forwarded','is_deleted','is_draft','is_flag=
ged');
drop table if exists message; create table message( =C2=A0 =C2=A0 folder_id=
 integer not=20
NULL, =C2=A0 =C2=A0 msg varchar(200), =C2=A0 =C2=A0 is_flag myflags ); inse=
rt into message values=20
(1,'msg b','is_seen'), (1,'msg c','is_seen'), (1,'msg d','is_seen'), (1,'ms=
g=20
d','is_replied'), (1,'msg e','is_seen'), (1,'msg e','is_replied'), (1,'msg=
=20
h','is_deleted') ; =C2=A0 Not quite; you have 2 entries, one for each flag,=
 for "msg=20
d". I must haveone tuple per message in this table. =C2=A0 -- Andreas Josep=
h Krogh=20
CTO / Partner - Visena AS Mobile: +47 909 56 963 andreas@visena.com=20
<mailto:andreas@visena.com> www.visena.com <https://www.visena.com> =20
<https://www.visena.com> =C2=A0
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<div>P=C3=A5 onsdag 18. mars 2015 kl. 13:54:50, skrev Hector Vass &lt;<a hr=
ef=3D"mailto:hector.vass@metametrics.co.uk">hector.vass@metametrics.co.uk</=
a>&gt;:</div>

<blockquote style=3D"border-left: 1px solid rgb(204, 204, 204); margin: 0pt=
 0pt 0pt 0.8ex; padding-left: 1ex;">
<div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;back=
ground-color:#FFFFFF;font-family:Calibri,Arial,Helvetica,sans-serif;">
<p style=3D"margin-top: 0px; margin-bottom: 0px;">OK I get it ..</p>

<p style=3D"margin-top: 0px; margin-bottom: 0px;">=C2=A0</p>

<div>drop type if exists myflags cascade;</div>

<div>create type myflags as enum('is_seen','is_replied','is_forwarded','is_=
deleted','is_draft','is_flagged');</div>

<div>drop table if exists message;</div>

<div>create table message(</div>

<div>=C2=A0 =C2=A0 folder_id integer not NULL,</div>

<div>=C2=A0 =C2=A0 msg varchar(200),</div>

<div>=C2=A0 =C2=A0 is_flag myflags</div>

<div>);</div>

<div>insert into message values</div>

<div>(1,'msg b','is_seen'),</div>

<div>(1,'msg c','is_seen'),</div>

<div><span style=3D"background-color:#FFFF00;">(1,'msg d','is_seen'),</span=
></div>

<div><span style=3D"background-color:#FFFF00;">(1,'msg d','is_replied'),</s=
pan></div>

<div>(1,'msg e','is_seen'),</div>

<div>(1,'msg e','is_replied'),</div>

<div>(1,'msg h','is_deleted')</div>

<div>;</div>
</div>
</blockquote>

<div>=C2=A0</div>

<div>Not quite; you have 2 entries, one for each flag, for &quot;msg d&quot=
;. I must have <em>one</em> tuple per message in this table.</div>

<div>=C2=A0</div>

<div class=3D"origo-email-signature">
<div>--
<div><span style=3D"font-family:arial,helvetica,sans-serif;"><strong>Andrea=
s Joseph Krogh</strong></span></div>

<div><span style=3D"font-family:arial,helvetica,sans-serif;">CTO / Partner<=
/span> - Visena AS</div>

<div><span style=3D"font-family:arial,helvetica,sans-serif;">Mobile: +47 90=
9 56 963</span></div>

<div><a href=3D"mailto:andreas@visena.com">andreas@visena.com</a></div>

<div><a href=3D"https://www.visena.com">www.visena.com</a></div>

<div style=3D"padding-top: 5px"><a href=3D"https://www.visena.com"><img alt=
=3D"" src=3D"cid:part_F764646621869HEPVJS"></a></div>
</div>
</div>

<div>=C2=A0</div>
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