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Full Discussion: mysql query in shellscript
Top Forums Shell Programming and Scripting mysql query in shellscript Post 302583313 by aish11 on Tuesday 20th of December 2011 06:25:19 AM
Old 12-20-2011
Code:
mysql> desc indata;
+--------------+---------------------+------+-----+---------+-------+
| Field        | Type                | Null | Key | Default | Extra |
+--------------+---------------------+------+-----+---------+-------+
| MDate   | date                | NO   | PRI | NULL    |       |
| OPrice | double              | NO   |     | 0       |       |
| CPrice | double              | NO   |     | 0       |       |
| Volume | double              | NO   |     | 0       |       |
| ADV          | bigint(20) unsigned | NO   |     | 0       |       |
| InID | int(20) unsigned    | NO   | PRI | NULL    |       |
+--------------+---------------------+------+-----+---------+-------+



sorry its MDate

---------- Post updated at 06:25 AM ---------- Previous update was at 06:23 AM ----------

Quote:
Originally Posted by radoulov
You could use either:

Code:
select adv 
from indata
where inid = '$INSTRUID'
and Date = ( 
    select max(Date) 
    from indata
    where inidi = '$INSTRUID'
    limit 1
    )
limit 1;

Or:

Code:
select a.adv
from indata a
join (
  select inid, max(Date) Date    
  from indata 
  where inid = '$INSTRUID' 
  group by inid
   ) b
  on a.inid =  b.inid
  and a.Date = b.Date
  where a.inid = '$INSTRUID'
  limit 1
  ;

I've added the limit clause for safety (not knowing your table structure and data, it's impossible to know if duplicates are possible).

thanks radoulov but can i get any shorcut code??
 

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Date::Language::Bulgarian(3)				User Contributed Perl Documentation			      Date::Language::Bulgarian(3)

NAME
Date::Language::Bulgarian - localization for Date::Format DESCRIPTION
This is Bulgarian localization for Date::Format. It is important to note that this module source code is in utf8. All strings which it outputs are in utf8, so it is safe to use it currently only with English. You are left alone to try and convert the output when using different Date::Language::* in the same application. This should be addresed in the future. SYNOPSIS
use strict; use warnings; use Date::Language; local $=$/; my $template ='%a %b %e %T %Y (%Y-%m-%d %H:%M:%S)'; my $time=1290883821; #or just use time(); my @lt = localtime($time); my %languages = qw(English GMT German EEST Bulgarian EET); binmode(select,':utf8'); foreach my $l(keys %languages){ my $lang = Date::Language->new($l); my $zone = $languages{$l}; print $/. "$l $zone"; print $lang->time2str($template, $time); print $lang->time2str($template, $time, $zone); print $lang->strftime($template, @lt); } AUTHOR
Krasimir Berov (berov@cpan.org) COPYRIGHT
Copyright (c) 2010 Krasimir Berov. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. perl v5.16.3 2010-12-15 Date::Language::Bulgarian(3)
All times are GMT -4. The time now is 01:29 PM.
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