MultiSearcher.rewrite() incorrectly rewrites queries
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Key: LUCENE-2756
URL: https://issues.apache.org/jira/browse/LUCENE-2756
Project: Lucene - Java
Issue Type: Bug
Components: Search
Reporter: Robert Muir
This was reported on the userlist, in the context of range queries.
Its also easy to make our existing tests fail with my patch on LUCENE-2751:
{noformat}
ant test-core -Dtestcase=TestBoolean2 -Dtestmethod=testRandomQueries
-Dtests.seed=7679849347282878725:-903778383189134045
{noformat}
The fundamental problem is that MultiSearcher first rewrites against individual
subs,
then uses Query.combine() which simply OR's these sub-clauses.
This is incorrect for expanded MUST_NOT queries (e.g. from wildcard), as it
violates demorgan's law.
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