Select Maths - Mailing list pgsql-sql

<div class="Section1"><p class="MsoNormal"><font color="navy" face="Times New Roman" size="2"><span
style="font-size:11.0pt;color:navy">Hiagain,</span></font><p class="MsoNormal"><font color="navy" face="Times New
Roman"size="2"><span style="font-size:11.0pt;color:navy"> </span></font><p class="MsoNormal"><font color="navy"
face="TimesNew Roman" size="2"><span style="font-size:11.0pt;color:navy">Same SELECT query as before, different area of
it…I have a function that calculates the recommended purchase order quantity for a stock item based off various other
valuesand functions:</span></font><p class="MsoNormal" style="text-indent:36.0pt"><font color="navy" face="Courier New"
size="2"><spanstyle="font-size:11.0pt;font-family:"Courier New"; 
color:navy">pqty(stock.code) AS "pqty"</span></font><p class="MsoNormal"><font color="navy" face="Times New Roman"
size="2"><spanstyle="font-size:11.0pt;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Times
NewRoman" size="2"><span style="font-size:11.0pt;color:navy">This needs to be rounded up / down to the nearest multiple
ofthe <u>purchase unit</u> quantity for that product – It’s Friday afternoon and my head has refused to help me work
outthe maths all afternoon!</span></font><p class="MsoNormal"><font color="navy" face="Times New Roman" size="2"><span
style="font-size:11.0pt;color:navy"> </span></font><pclass="MsoNormal"><font color="navy" face="Times New Roman"
size="2"><spanstyle="font-size:11.0pt;color:navy">Example:</span></font><p class="MsoNormal"><font color="navy"
face="CourierNew" size="2"><span style="font-size:11.0pt;font-family:"Courier New";color:navy">     Pqty =
60</span></font><pclass="MsoNormal"><font color="navy" face="Courier New" size="2"><span
style="font-size:11.0pt;font-family:"CourierNew";color:navy">     Purchase Unit = 25</span></font><p
class="MsoNormal"><fontcolor="navy" face="Times New Roman" size="2"><span style="font-size:11.0pt;color:navy">Pqty
needsto be rounded down to 50.</span></font><p class="MsoNormal"><font color="navy" face="Times New Roman"
size="2"><spanstyle="font-size:11.0pt;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Times
NewRoman" size="2"><span style="font-size:11.0pt;color:navy">I guess I’m also asking if I should do this in the Pqty
functionor in the SELECT query to optimize the result?</span></font><p class="MsoNormal"><font color="navy" face="Times
NewRoman" size="2"><span style="font-size:11.0pt;color:navy"> </span></font><p class="MsoNormal"><font color="navy"
face="TimesNew Roman" size="2"><span style="font-size:11.0pt;color:navy">Thanks all – Enjoy your weekends I
hope!</span></font><pclass="MsoNormal"><font color="navy" face="Times New Roman" size="2"><span
style="font-size:11.0pt;color:navy">Cheers,</span></font><pclass="MsoNormal"><font color="navy" face="Times New Roman"
size="2"><spanstyle="font-size:11.0pt;color:navy">-p</span></font></div><br /><p><b>*******************Confidentiality
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