Using a variable as a view name in a select

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От Wilkinson, Jim
Тема Using a variable as a view name in a select
Дата
Msg-id 7CCC5BEF5E72394C963E529B54EB4A642A19B3@SD01ITMV12.PROD.NET
обсуждение исходный текст
Ответ на LOCK command inside a TRANSACTION  (Carlos Santos <carloscompels@yahoo.com.br>)
Ответы Re: Using a variable as a view name in a select
Re: Using a variable as a view name in a select
Список pgsql-sql
<div class="Section1"><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size:
10.0pt;font-family:Arial;color:navy">I have created a view, called april_may.   I need to select this view by
combineingto fields in the database to create the view name etc …</span></font><p class="MsoNormal"><font color="navy"
face="Arial"size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Create view as select * from table_X;</span></font><p class="MsoNormal"><font
color="navy"face="Arial" size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">I need to do something like this … </span></font><p class="MsoNormal"><font
color="navy"face="Arial" size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Select * from (select table.start_month||_||table.end_month);</span></font><p
class="MsoNormal"><fontcolor="navy" face="Arial" size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy">==================</span></font><p class="MsoNormal"><font color="navy"
face="Arial"size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy">Start_month  = april</span></font><p class="MsoNormal"><font color="navy"
face="Arial"size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy">End_month = May</span></font><p class="MsoNormal"><font color="navy" face="Arial"
size="2"><spanstyle="font-size: 
10.0pt;font-family:Arial;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">What I what to pass to the select is the combination of the 2 fields as the view
name.</span></font><pclass="MsoNormal"><font color="navy" face="Arial" size="2"><span style="font-size: 
10.0pt;font-family:Arial;color:navy"> </span></font><p class="MsoNormal"><font color="navy" face="Arial" size="2"><span
style="font-size:
10.0pt;font-family:Arial;color:navy">Any ideas ?</span></font></div>

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