Help writing a piece of SQL - Mailing list pgsql-sql
| From | Nigel Bishop |
|---|---|
| Subject | Help writing a piece of SQL |
| Date | |
| Msg-id | 72558D9A7573814BB4082A28843E03D402658B02@intyodc01.uk.ioko365.com Whole thread Raw |
| Responses |
Re: Help writing a piece of SQL
(Richard Huxton <dev@archonet.com>)
Re: Help writing a piece of SQL (Niklas Johansson <spot@tele2.se>) |
| List | pgsql-sql |
<div class="Section1"><p class="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew"">Hi, I would appreciate some help writing a piece of SQL</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> </span></font><p class="MsoNormal"><font face="Courier New" size="2"><spanlang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">PG803</span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew"">My table/data looks like this:</span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> username | domain | sendto </span></font><p class="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">+-------------+-------------------------------+------------------------------</span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> Postmaster | intthit08.uk.rabbit.com | root</span></font><p class="MsoNormal"><font face="Courier New" size="2"><spanlang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> root | intthit08.uk.rabbit.com | is-unix@rabbit.com</span></font><p class="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB"style="font-size:10.0pt;font-family:"Courier New""> stoat.griffin | trusting.co.uk | stoat.griffin@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> stoat.griffin | trusting.com | stoat.griffin@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> stoat.griffin | rusty.co.uk | stoat.griffin@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> stoat.griffin | rusty.com | stoat.griffin@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> matilda.clematis | trusting.com | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> matilda.clematis | trusting.co.uk | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> matilda.clematis | rusty.co.uk | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> matilda.clematis | rusty.com | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | trusting.com | rusty@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | trusting.co.uk | rusty@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | rusty.co.uk | rusty@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | rusty.com | rusty@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | windoze.com | windoze@badger.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | windoze.co.uk | windoze@badger.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> admin | windoze.co.uk | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> admin | windoze.com | matilda.clematis@rabbit.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | saxon.co.uk | superR@uk.diamond.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> * | saxon.com | superR@uk.diamond.com</span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew""> </span></font><p class="MsoNormal"><font face="Courier New" size="2"><spanlang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><font face="CourierNew" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">The query will have theusername and domain passed in as variables.</span></font><p class="MsoNormal"><font face="Courier New" size="2"><spanlang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><font face="CourierNew" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">If the username and domainexist then return the sendto</span></font><p class="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB"style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><font face="Courier New"size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">The bit I’m struggling with is if theusername doesn’t exist then return the sendto where the domain exists</span></font><p class="MsoNormal"><font face="CourierNew" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">e.g. username=fred (this doesn’t exist) and domain=rusty.com then return <a href="mailto:rusty@rabbit.com">rusty@rabbit.com</a>,<a href="mailto:matilda.clematis@rabbit.com">matilda.clematis@rabbit.com</a>,<a href="mailto:stoat.griffin@rabbit.com">stoat.griffin@rabbit.com</a></span></font><pclass="MsoNormal"><font face="CourierNew" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Anyhelp on this would very much appreciated; it’s been driving me mad for the last day.</span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><pclass="MsoNormal"><font face="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"CourierNew"">Thanks</span></font><p class="MsoNormal"><font face="Courier New" size="2"><spanlang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><font face="CourierNew" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New""> </span></font><p class="MsoNormal"><fontface="Courier New" size="2"><span lang="EN-GB" style="font-size:10.0pt;font-family:"Courier New"">Nigel</span></font><spanlang="EN-GB"></span></div><br /><br />Communications 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