Add support for RLIKE (LIST)

Author: julian-elastic

x-pack/plugin/esql-core/src/main/java/org/elasticsearch/xpack/esql/core/querydsl/query/AutomatonQuery.java

@@ -40,7 +40,7 @@ protected QueryBuilder asBuilder() {
 
     @Override
     public int hashCode() {
-        return Objects.hash(field, automaton);
+        return Objects.hash(field, automaton, automatonDescription);
     }
 
     @Override
@@ -54,7 +54,7 @@ public boolean equals(Object obj) {
         }
 
         AutomatonQuery other = (AutomatonQuery) obj;
-        return Objects.equals(field, other.field) && Objects.equals(automaton, other.automaton);
+        return Objects.equals(field, other.field) && Objects.equals(automaton, other.automaton) && Objects.equals(automatonDescription, other.automatonDescription);
     }
 
     @Override

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/scalar/string/regex/WildcardLikeList.java

@@ -112,16 +112,11 @@ public Query asQuery(LucenePushdownPredicates pushdownPredicates, TranslatorHand
      * Throws an {@link IllegalArgumentException} if the pattern list contains more than one pattern.
      */
     private Query translateField(String targetFieldName) {
-        return new AutomatonQuery(
-            source(),
-            targetFieldName,
-            pattern().createAutomaton(caseInsensitive()),
-            getAutomatonDescription(targetFieldName)
-        );
+        return new AutomatonQuery(source(), targetFieldName, pattern().createAutomaton(caseInsensitive()), getAutomatonDescription());
     }
 
-    private String getAutomatonDescription(String targetFieldName) {
-        // we use all the information used the create the automaton to describe the query here
+    private String getAutomatonDescription() {
+        // we use the information used to create the automaton to describe the query here
         String patternDesc = pattern().patternList().stream().map(WildcardPattern::pattern).collect(Collectors.joining("\", \""));
         return "LIKE(\"" + patternDesc + "\"), caseInsensitive=" + caseInsensitive();
     }