Use max precision when serializing points to XContent

server/src/main/java/org/elasticsearch/common/geo/SpatialPoint.java

@@ -8,8 +8,6 @@
 
 package org.elasticsearch.common.geo;
 
-import java.util.Locale;
-
 /**
  * To facilitate maximizing the use of common code between GeoPoint and projected CRS
  * we introduced this ElasticPoint as an interface of commonality.
@@ -55,7 +53,8 @@ public String toString() {
     }
 
     public String toWKT() {
-        return String.format(Locale.ROOT, "POINT (%f %f)", x, y);
+        // Code designed to mimic WellKnownText.toWKT, with much less stack depth and object creation
+        return "POINT (" + x + " " + y + ")";
     }
 
     @Override

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/formatter/TextFormat.java

@@ -298,8 +298,8 @@ public Iterator<CheckedConsumer<Writer, IOException>> format(RestRequest request
     private static String formatEsqlResultObject(Object obj) {
         // TODO: It would be nicer to override GeoPoint.toString() but that has consequences
         if (obj instanceof SpatialPoint point) {
-            // TODO: For doc-values, it is better to display as (%.7f %.7f), so see if we can know if this comes from doc-values
-            return point.toWKT();
+            // SpatialPoint.toWKT maintains max precision, while ´%f´ conveniently simplifies for display purposes
+            return String.format(Locale.ROOT, "POINT (%f %f)", point.getX(), point.getY());
         }
         return Objects.toString(obj, StringUtils.EMPTY);
     }

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/formatter/TextFormatter.java

@@ -16,6 +16,7 @@
 import java.io.Writer;
 import java.util.Collections;
 import java.util.Iterator;
+import java.util.Locale;
 import java.util.Objects;
 import java.util.function.Function;
 
@@ -133,8 +134,8 @@ private static void writePadding(int padding, Writer writer) throws IOException
     private static String formatEsqlResultObject(Object obj) {
         // TODO: It would be nicer to override GeoPoint.toString() but that has consequences
         if (obj instanceof SpatialPoint point) {
-            // TODO: For doc-values, it is better to display as (%.7f %.7f), so see if we can know if this comes from doc-values
-            return point.toWKT();
+            // SpatialPoint.toWKT maintains max precision, while ´%f´ conveniently simplifies for display purposes
+            return String.format(Locale.ROOT, "POINT (%f %f)", point.getX(), point.getY());
         }
         return Objects.toString(obj);
     }