when using dates in scripts, initialize the dates (DateTime) with UTC

modules/elasticsearch/src/main/java/org/elasticsearch/index/field/data/longs/LongFieldData.java

@@ -21,6 +21,7 @@ package org.elasticsearch.index.field.data.longs;
 
 import org.apache.lucene.index.IndexReader;
 import org.apache.lucene.search.FieldCache;
+import org.elasticsearch.common.joda.time.DateTimeZone;
 import org.elasticsearch.common.joda.time.MutableDateTime;
 import org.elasticsearch.common.thread.ThreadLocals;
 import org.elasticsearch.common.trove.TLongArrayList;
@@ -40,7 +41,7 @@ public abstract class LongFieldData extends NumericFieldData<LongDocFieldData> {
 
     private ThreadLocal<ThreadLocals.CleanableValue<MutableDateTime>> dateTimeCache = new ThreadLocal<ThreadLocals.CleanableValue<MutableDateTime>>() {
         @Override protected ThreadLocals.CleanableValue<MutableDateTime> initialValue() {
-            return new ThreadLocals.CleanableValue<MutableDateTime>(new MutableDateTime());
+            return new ThreadLocals.CleanableValue<MutableDateTime>(new MutableDateTime(DateTimeZone.UTC));
         }
     };
 

modules/elasticsearch/src/main/java/org/elasticsearch/index/field/data/longs/MultiValueLongFieldData.java

@@ -19,6 +19,7 @@
 
 package org.elasticsearch.index.field.data.longs;
 
+import org.elasticsearch.common.joda.time.DateTimeZone;
 import org.elasticsearch.common.joda.time.MutableDateTime;
 import org.elasticsearch.common.thread.ThreadLocals;
 import org.elasticsearch.index.field.data.doubles.DoubleFieldData;
@@ -46,7 +47,7 @@ public class MultiValueLongFieldData extends LongFieldData {
             for (int i = 0; i < value.length; i++) {
                 value[i] = new MutableDateTime[i];
                 for (int j = 0; j < i; j++) {
-                    value[i][j] = new MutableDateTime();
+                    value[i][j] = new MutableDateTime(DateTimeZone.UTC);
                 }
             }
             return new ThreadLocals.CleanableValue<MutableDateTime[][]>(value);

modules/elasticsearch/src/main/java/org/elasticsearch/index/field/data/longs/SingleValueLongFieldData.java

@@ -19,6 +19,7 @@
 
 package org.elasticsearch.index.field.data.longs;
 
+import org.elasticsearch.common.joda.time.DateTimeZone;
 import org.elasticsearch.common.joda.time.MutableDateTime;
 import org.elasticsearch.common.thread.ThreadLocals;
 import org.elasticsearch.index.field.data.doubles.DoubleFieldData;
@@ -37,7 +38,7 @@ public class SingleValueLongFieldData extends LongFieldData {
     private ThreadLocal<ThreadLocals.CleanableValue<MutableDateTime[]>> datesValuesCache = new ThreadLocal<ThreadLocals.CleanableValue<MutableDateTime[]>>() {
         @Override protected ThreadLocals.CleanableValue<MutableDateTime[]> initialValue() {
             MutableDateTime[] date = new MutableDateTime[1];
-            date[0] = new MutableDateTime();
+            date[0] = new MutableDateTime(DateTimeZone.UTC);
             return new ThreadLocals.CleanableValue<MutableDateTime[]>(date);
         }
     };