Michael J. Carey created ASTERIXDB-1558:
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Summary: Possible minor glitch in UNKNOWN value related
predicates/handling
Key: ASTERIXDB-1558
URL: https://issues.apache.org/jira/browse/ASTERIXDB-1558
Project: Apache AsterixDB
Issue Type: Bug
Components: AsterixDB, Translator - AQL
Reporter: Michael J. Carey
Assignee: Yingyi Bu
Priority: Minor
The following evaluates to TRUE:
{
'project': 'AsterixDB',
'members': [ 'vinayakb', 'dtabass', 'chenli', 'tsotras' ]
}.member IS MISSING;
As, desirably, does:
{
'project': 'AsterixDB',
'members': [ 'vinayakb', 'dtabass', 'chenli', 'tsotras' ]
}.member IS UNKNOWN;
But the following evaluates to NULL (and it seems to me that FALSE would be the
proper expected result):
{
'project': 'AsterixDB',
'members': [ 'vinayakb', 'dtabass', 'chenli', 'tsotras' ]
}.member IS NULL;
Of course, I could be MISSING something here, as a SQL++ newbie....
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