Add deprecation logging message for 'fuzzy' query

This query is deprecated from 5.0 on. Similar to IndicesQueryBuilder we should
log a deprecation warning whenever this query is used.

Relates to #15760

1 files changed, 5 insertions, 0 deletions

diff --git a/core/src/main/java/org/elasticsearch/index/query/FuzzyQueryBuilder.java b/core/src/main/java/org/elasticsearch/index/query/FuzzyQueryBuilder.java
index c75ba1fda9..ef94ff16cf 100644
--- a/core/src/main/java/org/elasticsearch/index/query/FuzzyQueryBuilder.java
+++ b/core/src/main/java/org/elasticsearch/index/query/FuzzyQueryBuilder.java
@@ -28,6 +28,8 @@ import org.elasticsearch.common.ParsingException;
 import org.elasticsearch.common.Strings;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
+import org.elasticsearch.common.logging.DeprecationLogger;
+import org.elasticsearch.common.logging.Loggers;
 import org.elasticsearch.common.lucene.BytesRefs;
 import org.elasticsearch.common.unit.Fuzziness;
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -49,6 +51,8 @@ import java.util.Optional;
 public class FuzzyQueryBuilder extends AbstractQueryBuilder<FuzzyQueryBuilder> implements MultiTermQueryBuilder {
     public static final String NAME = "fuzzy";
 
+    private static final DeprecationLogger DEPRECATION_LOGGER = new DeprecationLogger(Loggers.getLogger(FuzzyQueryBuilder.class));
+
     /** Default maximum edit distance. Defaults to AUTO. */
     public static final Fuzziness DEFAULT_FUZZINESS = Fuzziness.AUTO;
 
@@ -151,6 +155,7 @@ public class FuzzyQueryBuilder extends AbstractQueryBuilder<FuzzyQueryBuilder> i
      * @param value The value of the term
      */
     public FuzzyQueryBuilder(String fieldName, Object value) {
+        DEPRECATION_LOGGER.deprecated("{} query is deprecated. Instead use the [match] query with fuzziness parameter", NAME);
         if (Strings.isEmpty(fieldName)) {
             throw new IllegalArgumentException("field name cannot be null or empty");
         }