[JBoss JIRA] (DROOLS-2595) Average accumulate function should return null instead of zero when no facts are matched
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https://issues.jboss.org/browse/DROOLS-2595?page=com.atlassian.jira.plugi...
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Geoffrey De Smet commented on DROOLS-2595:
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Example of problem:
Input: Cheese("stilton", 30), Cheese("stilton", 40)
What's the average price for stilton? 35 - OK
What's the average price for cheddar? null - OK
Add Cheese("cheddar", 50).
What's the average price for cheddar? 50 - OK
Remove Cheese("cheddar", 50).
What's the average price for cheddar? 0 - NOT OK, should be null just like originally
Average accumulate function should return null instead of zero when
no facts are matched
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Key: DROOLS-2595
URL: https://issues.jboss.org/browse/DROOLS-2595
Project: Drools
Issue Type: Bug
Components: core engine
Reporter: Mario Fusco
Assignee: Mario Fusco
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Geoffrey De Smet (JIRA)