Cross Tab Functions
От | Chris Preston |
---|---|
Тема | Cross Tab Functions |
Дата | |
Msg-id | 200806201305.m5KD5U1L018528@mail2.trafalgar.lan обсуждение исходный текст |
Ответы |
Re: Cross Tab Functions
|
Список | pgsql-sql |
<div class="Section1"><p class="MsoNormal"><span class="postbody1"><font face="Verdana" size="1"><span style="font-size:9.0pt;font-family:Verdana">HelloAll, </span></font></span><font face="Verdana" size="1"><span style="font-size:9.0pt;font-family:Verdana"><br/><span class="postbody1">I have used the cross tab function to setup tablesthat display months' data, however i need to display years data instead of the months.. so i would display 2006 asa column, 2007 as a colum and 2008 as a column. when i tried to modify the simple example of the cross tab (shown below)</span><br /><span class="postbody1">SELECT i.item_name::text As row_name, to_char(if.action_date, 'year')::text Asbucket, </span><br /><span class="postbody1">SUM(if.num_used)::integer As bucketvalue </span><br /><span class="postbody1">FROMinventory As i INNER JOIN inventory_flow As if </span><br /><span class="postbody1">ON i.item_id =if.item_id </span><br /><span class="postbody1">WHERE (if.num_used <> 0 AND if.num_used IS NOT NULL) </span><br /><spanclass="postbody1">AND action_date BETWEEN date '2007-01-01' and date '2008-12-31 23:59' </span><br /><span class="postbody1">GROUPBY i.item_name, to_char(if.action_date, 'year'), date_part('year', if.action_date) </span><br /><spanclass="postbody1">ORDER BY i.item_name, date_part('year', if.action_date); </span><br /><br /><span class="postbody1">basicallyi changed the mon and the month to be year.. the system displayed something that i am not sureabout. is there a command that converts the year similar to the mon </span><br /><br /><span class="postbody1">Help again...Please</span></span></font><fontface="Arial" size="2"><span style="font-size:10.0pt;font-family:Arial"></span></font></div>
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