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MLT Query: don't fetch unnecessary stats

This commit is contained in:
Alex Ksikes 2014-10-09 12:49:09 +02:00
parent 3d3c2cd760
commit 4ee91cb331
1 changed files with 17 additions and 4 deletions
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21
src/main/java/org/elasticsearch/index/query/MoreLikeThisQueryParser.java
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@ -159,16 +159,14 @@ public class MoreLikeThisQueryParser implements QueryParser {
if (!token.isValue()) {
throw new ElasticsearchIllegalArgumentException("ids array element should only contain ids");
}
items.add(new TermVectorRequest().id(parser.text()));
items.add(newTermVectorRequest().id(parser.text()));
}
} else if (Fields.DOCUMENTS.match(currentFieldName, parseContext.parseFlags())) {
while ((token = parser.nextToken()) != XContentParser.Token.END_ARRAY) {
if (token != XContentParser.Token.START_OBJECT) {
throw new ElasticsearchIllegalArgumentException("docs array element should include an object");
}
TermVectorRequest termVectorRequest = new TermVectorRequest();
TermVectorRequest.parseRequest(termVectorRequest, parser);
items.add(termVectorRequest);
items.add(parseDocuments(parser));
}
} else {
throw new QueryParsingException(parseContext.index(), "[mlt] query does not support [" + currentFieldName + "]");
@ -247,6 +245,21 @@ public class MoreLikeThisQueryParser implements QueryParser {
return mltQuery;
}
private TermVectorRequest newTermVectorRequest() {
return new TermVectorRequest()
.positions(false)
.offsets(false)
.payloads(false)
.fieldStatistics(false)
.termStatistics(false);
}
private TermVectorRequest parseDocuments(XContentParser parser) throws IOException {
TermVectorRequest termVectorRequest = newTermVectorRequest();
TermVectorRequest.parseRequest(termVectorRequest, parser);
return termVectorRequest;
}
private List<String> removeUnsupportedFields(List<String> moreLikeFields, Analyzer analyzer, boolean failOnUnsupportedField) throws IOException {
for (Iterator<String> it = moreLikeFields.iterator(); it.hasNext(); ) {
final String fieldName = it.next();