madrob commented on a change in pull request #1042: LUCENE-9068: Build
FuzzyQuery automata up-front
URL: https://github.com/apache/lucene-solr/pull/1042#discussion_r362860716
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File path: lucene/core/src/java/org/apache/lucene/search/FuzzyQuery.java
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@@ -101,7 +106,19 @@ public FuzzyQuery(Term term, int maxEdits, int
prefixLength, int maxExpansions,
this.prefixLength = prefixLength;
this.transpositions = transpositions;
this.maxExpansions = maxExpansions;
+ int[] codePoints = FuzzyTermsEnum.stringToUTF32(term.text());
+ this.termLength = codePoints.length;
+ this.automata = FuzzyTermsEnum.buildAutomata(term.text(), codePoints,
prefixLength, transpositions, maxEdits);
setRewriteMethod(new
MultiTermQuery.TopTermsBlendedFreqScoringRewrite(maxExpansions));
+ this.ramBytesUsed = calculateRamBytesUsed(term, this.automata);
+ }
+
+ private static long calculateRamBytesUsed(Term term, CompiledAutomaton[]
automata) {
Review comment:
Is this going to be a few primitives short? I'm not very well versed in how
accurate the RAM usage is expected to be, so I'm not sure if that matters or
not.
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