BooleanLogicIterator cannot handle ORs correctly
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Key: ACCUMULO-447
URL: https://issues.apache.org/jira/browse/ACCUMULO-447
Project: Accumulo
Issue Type: Bug
Components: wikisearch
Reporter: Eric Newton
Assignee: Eric Newton
Fix For: 1.4.0
When an OR clause in a query tree has negations in that subtree and does not
have a document which matches the query, the BooleanLogicIterator cannot
ascertain whether that subtree has more results to search or whether the
subtree is exhausted.
eg. if we search for
{noformat}
(field1 == 'a' && field2 != 'a') || (field2 == 'a' && field1 != 'a')
{noformat}
and say DOC1 has both field1 and field2 equal to 'a', BooleanLogicIterator
cannot determine whether it needs to call next() to find more reults ore
whether to set its own topKey to null and quit.
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