Change script context names for run time fields to type_field (#71581) (#71586)

This changes all the script context names specifically for runtime fields to be *_field such as long_field 
and geo_point_field, etc. This change is internal detail that will only be exposed through the Painless 
execute API as part of (#71374) and should not have bwc issues. I tested this change locally on a 
mixed cluster to ensure scripts stored with the old runtime fields context names are both still 
retrievable and delete-able. This works because the context name is only used during the request to 
check for valid compilation, but never actually stored as part of the cluster state.

Author: jdconrad

server/src/main/java/org/elasticsearch/script/AbstractFieldScript.java

@@ -35,7 +35,7 @@ public abstract class AbstractFieldScript {
 
     static <F> ScriptContext<F> newContext(String name, Class<F> factoryClass) {
         return new ScriptContext<>(
-            name + "_script_field",
+            name,
             factoryClass,
             /*
              * We rely on the script cache in two ways:

server/src/main/java/org/elasticsearch/script/BooleanFieldScript.java

@@ -16,7 +16,7 @@
 
 public abstract class BooleanFieldScript extends AbstractFieldScript {
 
-    public static final ScriptContext<Factory> CONTEXT = newContext("boolean_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("boolean_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/DateFieldScript.java

@@ -15,7 +15,7 @@
 import java.util.Map;
 
 public abstract class DateFieldScript extends AbstractLongFieldScript {
-    public static final ScriptContext<Factory> CONTEXT = newContext("date", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("date_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/DoubleFieldScript.java

@@ -16,7 +16,7 @@
 import java.util.function.DoubleConsumer;
 
 public abstract class DoubleFieldScript extends AbstractFieldScript {
-    public static final ScriptContext<Factory> CONTEXT = newContext("double_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("double_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/GeoPointFieldScript.java

@@ -22,7 +22,7 @@
  * it encodes the points as a long value.
  */
 public abstract class GeoPointFieldScript extends AbstractLongFieldScript {
-    public static final ScriptContext<Factory> CONTEXT = newContext("geo_point_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("geo_point_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/IpFieldScript.java

@@ -36,7 +36,7 @@
  * </ul>
  */
 public abstract class IpFieldScript extends AbstractFieldScript {
-    public static final ScriptContext<Factory> CONTEXT = newContext("ip_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("ip_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/LongFieldScript.java

@@ -14,7 +14,7 @@
 import java.util.Map;
 
 public abstract class LongFieldScript extends AbstractLongFieldScript {
-    public static final ScriptContext<Factory> CONTEXT = newContext("long_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("long_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};

server/src/main/java/org/elasticsearch/script/StringFieldScript.java

@@ -23,7 +23,7 @@ public abstract class StringFieldScript extends AbstractFieldScript {
      */
     public static final long MAX_CHARS = 1024 * 1024;
 
-    public static final ScriptContext<Factory> CONTEXT = newContext("string_script_field", Factory.class);
+    public static final ScriptContext<Factory> CONTEXT = newContext("string_field", Factory.class);
 
     @SuppressWarnings("unused")
     public static final String[] PARAMETERS = {};