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Search - remove allow-expensive-query checks from wildcard field. (#60273) (#60308) 

Removing allow-expensive-query checks because we think this field type is fast enough.

Closes #60139
This commit is contained in:
markharwood 2020-07-28 17:12:33 +01:00 committed by GitHub
parent 9450ea08b4
commit e0286e9bd3
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2 changed files with 5 additions and 17 deletions
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8
docs/reference/query-dsl.asciidoc
View File

@ -33,10 +33,10 @@ the stability of the cluster. Those queries can be categorised as follows:
* Queries that need to do linear scans to identify matches:
** <<query-dsl-script-query, `script queries`>>
* Queries that have a high up-front cost :
** <<query-dsl-fuzzy-query,`fuzzy queries`>>
** <<query-dsl-regexp-query,`regexp queries`>>
** <<query-dsl-prefix-query,`prefix queries`>> without <<index-prefixes, `index_prefixes`>>
** <<query-dsl-wildcard-query, `wildcard queries`>>
** <<query-dsl-fuzzy-query,`fuzzy queries`>> (except on <<wildcard, `wildcard`>> fields)
** <<query-dsl-regexp-query,`regexp queries`>> (except on <<wildcard, `wildcard`>> fields)
** <<query-dsl-prefix-query,`prefix queries`>> (except on <<wildcard, `wildcard`>> fields or those without <<index-prefixes, `index_prefixes`>>)
** <<query-dsl-wildcard-query, `wildcard queries`>> (except on <<wildcard, `wildcard`>> fields)
** <<query-dsl-range-query, `range queries>> on <<text, `text`>> and <<keyword, `keyword`>> fields
* <<joining-queries, `Joining queries`>>
* Queries on <<prefix-trees, deprecated geo shapes>>

12
x-pack/plugin/wildcard/src/main/java/org/elasticsearch/xpack/wildcard/mapper/WildcardFieldMapper.java
View File

@ -36,7 +36,6 @@ import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.automaton.Automaton;
import org.apache.lucene.util.automaton.RegExp;
import org.apache.lucene.util.automaton.RegExp.Kind;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.common.geo.ShapeRelation;
import org.elasticsearch.common.lucene.BytesRefs;
@ -79,7 +78,6 @@ import java.util.Set;
import java.util.function.Supplier;
import static org.elasticsearch.index.mapper.TypeParsers.parseField;
import static org.elasticsearch.search.SearchService.ALLOW_EXPENSIVE_QUERIES;
/**
* A {@link FieldMapper} for indexing fields with ngrams for efficient wildcard matching
@ -299,12 +297,6 @@ public class WildcardFieldMapper extends FieldMapper {
return new MatchNoDocsQuery();
}
if (context.allowExpensiveQueries() == false) {
throw new ElasticsearchException(
"[regexp] queries cannot be executed when '" + ALLOW_EXPENSIVE_QUERIES.getKey() + "' is set to false."
);
}
RegExp ngramRegex = new RegExp(addLineEndChars(toLowerCase(value)), flags);
Query approxBooleanQuery = toApproximationQuery(ngramRegex);
@ -670,10 +662,6 @@ public class WildcardFieldMapper extends FieldMapper {
DateMathParser parser,
QueryShardContext context
) {
if (context.allowExpensiveQueries() == false) {
throw new ElasticsearchException("[range] queries on [wildcard] fields cannot be executed when '" +
ALLOW_EXPENSIVE_QUERIES.getKey() + "' is set to false.");
}
BytesRef lower = lowerTerm == null ? null : BytesRefs.toBytesRef(lowerTerm);
BytesRef upper = upperTerm == null ? null : BytesRefs.toBytesRef(upperTerm);
Query accelerationQuery = null;