[rules-users] Drools Language Enhancements
Raja Sekhar
raja.amirapu at gmail.com
Wed Feb 12 06:04:36 EST 2014
Hi All,
I came across this link
https://community.jboss.org/wiki/DroolsLanguageEnhancements#jive_content_id_SQL_Group_Operators
select location, age, avg(income), min(income), max(income) from Person
group by location, age //SQL
acc( $p : Person();
[$l, $a] : distinct( $p.location, $p.age) )
acc( $p : Person( location == $l, age == $a );
$avgIncome : avg( $p.income ) ,
$minIncome : min( $p.income ),
$maxIncome : max( $p.income ) )
If we wanted to make a list of lists we could add:
acc( $l : List() from [$avgIncome, $minIncome, $maxIncome],
list( $l )
Can some give me specific example with this
Regards,
--
Raja Sekhar Amirapu
------------------------------------------------------
"If any anyone can do it, i can do it. If no one else can do it, i must do
it"
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