Implement tested operations in MatchOperator

Author: carlosdelest

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/Match.java

@@ -260,7 +260,7 @@ public Expression replaceChildren(List<Expression> newChildren) {
 
     @Override
     protected NodeInfo<? extends Expression> info() {
-        return NodeInfo.create(this, Match::new, field, query(), queryBuilder());
+        return NodeInfo.create(this, Match::new, field(), query(), queryBuilder());
     }
 
     protected TypeResolutions.ParamOrdinal queryParamOrdinal() {

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/expression/function/fulltext/MatchOperator.java

@@ -10,13 +10,15 @@
 import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.xpack.esql.core.expression.Expression;
+import org.elasticsearch.xpack.esql.core.tree.NodeInfo;
 import org.elasticsearch.xpack.esql.core.tree.Source;
 import org.elasticsearch.xpack.esql.expression.function.Example;
 import org.elasticsearch.xpack.esql.expression.function.FunctionInfo;
 import org.elasticsearch.xpack.esql.expression.function.Param;
 import org.elasticsearch.xpack.esql.io.stream.PlanStreamInput;
 
 import java.io.IOException;
+import java.util.List;
 
 /**
  * This class exists to generate documentation for the match operator.
@@ -74,4 +76,14 @@ protected static Match readFrom(StreamInput in) throws IOException {
     public String getWriteableName() {
         return ENTRY.name;
     }
+
+    @Override
+    protected NodeInfo<? extends Expression> info() {
+        return NodeInfo.create(this, MatchOperator::new, field(), query());
+    }
+
+    @Override
+    public Expression replaceChildren(List<Expression> newChildren) {
+        return new MatchOperator(source(), newChildren.get(0), newChildren.get(1));
+    }
 }