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git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1405368 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael McCandless 2012-11-03 15:48:46 +00:00
parent 9fccf241f6
commit 7897cff44c
1 changed files with 10 additions and 4 deletions
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14
lucene/queries/src/java/org/apache/lucene/queries/TermsFilter.java
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@ -114,6 +114,16 @@ public final class TermsFilter extends Filter {
private TermsFilter(FieldAndTermEnum iter, int length) { private TermsFilter(FieldAndTermEnum iter, int length) {
// TODO: maybe use oal.index.PrefixCodedTerms instead?
// If number of terms is more than a few hundred it
// should be a win
// TODO: we also pack terms in FieldCache/DocValues
// ... maybe we can refactor to share that code
// TODO: yet another option is to build the union of the terms in
// an automaton an call intersect on the termsenum if the density is high
int hash = 9; int hash = 9;
byte[] serializedTerms = new byte[0]; byte[] serializedTerms = new byte[0];
this.offsets = new int[length+1]; this.offsets = new int[length+1];
@ -199,10 +209,6 @@ public final class TermsFilter extends Filter {
} }
} }
} }
/*
* TODO: we should explore if it is worth to build the union of the terms in
* an automaton an call intersect on the termsenum if the density is high
*/
return result; return result;
} }