3:26 p.m.
Thanks for the additional details around the issue.
--- On Mon, 9/5/11, Michael Anstis <michael.anstis(a)gmail.com> wrote:
From: Michael Anstis <michael.anstis(a)gmail.com>
Subject: Re: [rules-users] is null or is not Null failing for a String field check in
Guvnor drl
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Monday, September 5, 2011, 1:15 PM
No problem foreseen.
The issue was that the "value" was added to the DRL even though the operator
"not null" didn't need a value.
Another work around is to first use "equals", then enter a literal value (a
single space, or empty string) and then the "not null" operator.
Your work around seems simpler though.
2011/9/5 puja nandamuri <med_9501(a)yahoo.com>
what do you think of using the function route as a work around?
do you see any issues with using that ?
--- On Mon, 9/5/11, Michael Anstis <michael.anstis(a)gmail.com> wrote:
From: Michael Anstis <michael.anstis(a)gmail.com>
Subject: Re: [rules-users] is null or is not Null failing for a String field check in
Guvnor drl
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Monday, September 5, 2011, 1:04 PM
Shame :(
5.2.0.Final could well be fixed... are you able to try that? CR! was effectively
pre-release.
2011/9/5 puja nandamuri <med_9501(a)yahoo.com>
Michael,
Thanks. Yes, I am using 5.2.0.CR1.I do not have a choice to move to 5.3 at this point.
as an alternate, I am using the following work around.
to be able to do 'is null' or 'is not null' for checking null condition
on a field,
I select 'equal to' as the operator and then, I click on the function button
instead of literal value .
In the text box that comes up, I enter null
Doing this validates the condition successfully and I am able to run the test scenario
successfully .similarly, I select 'not equal to' operator for checking is not null
condition and then in the function text box, I enter
null.
--- On Mon, 9/5/11, Michael Anstis <michael.anstis(a)gmail.com> wrote:
From: Michael Anstis <michael.anstis(a)gmail.com>
Subject: Re: [rules-users] is null or is not Null failing for a String field check in
Guvnor drl
To: "Rules Users List" <rules-users(a)lists.jboss.org>
Date: Monday, September 5, 2011, 12:13 PM
It was a bug but was fixed a while ago.
I can't recall if it made 5.2 - but it definately doesn't exist in 5.3.0.CR1 (or
master branch as of today - I just checked).
2011/9/5 puja nandamuri <med_9501(a)yahoo.com>
Hi ,
when using a business rule guided editor ,
for a fact, when I select a string type field from the drl guided editor in Guvnor and
select
is null from the dropdown list of operators,
I get the following validation error when I do a validate on the rule.
no viable alternative at input 'null' in rule
"Asset_Description_NullCheckRule"
when I do a View Source, it shows the source as
when
Asset( description == null null )
Is this a bug ?
if I select the free form drl option and create the when condition as
Asset( description == null ) , it validates fine.
Thanks,
Ram
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