False assertion of >0 position delta in StandardPostingsWriterImpl
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Key: LUCENE-2645
URL: https://issues.apache.org/jira/browse/LUCENE-2645
Project: Lucene - Java
Issue Type: Bug
Components: Index
Reporter: David Smiley
Priority: Minor
StandardPostingsWriterImpl line 159 is:
{code:java}
assert delta > 0 || position == 0 || position == -1: "position=" + position
+ " lastPosition=" + lastPosition; // not quite right (if pos=0 is
repeated twice we don't catch it)
{code}
I enable assertions when I run my unit tests and I've found this assertion to
fail when delta is 0 which occurs when the same position value is sent in twice
in arrow. Once I added RemoveDuplicatesTokenFilter, this problem went away.
Should I really be forced to add this filter? I think delta >= 0 would be a
better assertion.
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