diff --git a/query/graphql/planner/sum.go b/query/graphql/planner/sum.go
index 5ac0ce13e0..aa56c3bae3 100644
--- a/query/graphql/planner/sum.go
+++ b/query/graphql/planner/sum.go
@@ -28,7 +28,11 @@ type sumNode struct {
 	virtualFieldId   string
 }
 
-func (p *Planner) Sum(sourceInfo *sourceInfo, field *parser.Field, parent *parser.Select) (*sumNode, error) {
+func (p *Planner) Sum(
+	sourceInfo *sourceInfo,
+	field *parser.Field,
+	parent *parser.Select,
+) (*sumNode, error) {
 	source, err := field.GetAggregateSource()
 	if err != nil {
 		return nil, err
@@ -51,8 +55,20 @@ func (p *Planner) Sum(sourceInfo *sourceInfo, field *parser.Field, parent *parse
 }
 
 // Returns true if the value to be summed is a float, otherwise false.
-func (p *Planner) isValueFloat(sourceInfo *sourceInfo, parent *parser.Select, source []string, sourceCollection string, sourceProperty string) (bool, error) {
-	sourceFieldDescription, err := p.getSourceField(sourceInfo, parent, source, sourceCollection, sourceProperty)
+func (p *Planner) isValueFloat(
+	sourceInfo *sourceInfo,
+	parent *parser.Select,
+	source []string,
+	sourceCollection string,
+	sourceProperty string,
+) (bool, error) {
+	sourceFieldDescription, err := p.getSourceField(
+		sourceInfo,
+		parent,
+		source,
+		sourceCollection,
+		sourceProperty,
+	)
 	if err != nil {
 		return false, err
 	}
@@ -61,8 +77,15 @@ func (p *Planner) isValueFloat(sourceInfo *sourceInfo, parent *parser.Select, so
 		sourceFieldDescription.Kind == client.FieldKind_FLOAT, nil
 }
 
-// Gets the root underlying field of the aggregate.  This could be several layers deap if aggregating an aggregate.
-func (p *Planner) getSourceField(sourceInfo *sourceInfo, parent *parser.Select, source []string, sourceCollection string, sourceProperty string) (client.FieldDescription, error) {
+// Gets the root underlying field of the aggregate.
+// This could be several layers deap if aggregating an aggregate.
+func (p *Planner) getSourceField(
+	sourceInfo *sourceInfo,
+	parent *parser.Select,
+	source []string,
+	sourceCollection string,
+	sourceProperty string,
+) (client.FieldDescription, error) {
 	if len(source) == 1 {
 		// If path length is one - we are summing an inline array
 		fieldDescription, fieldDescriptionFound := sourceInfo.collectionDescription.GetField(sourceCollection)
@@ -105,16 +128,23 @@ func (p *Planner) getSourceField(sourceInfo *sourceInfo, parent *parser.Select,
 
 			sourceSourceCollection := sourceSource[0]
 			sourceSourceProperty := p.getSourceProperty(sourceSource, sourceParent)
-			return p.getSourceField(sourceInfo, sourceParent, sourceSource, sourceSourceCollection, sourceSourceProperty)
+			return p.getSourceField(
+				sourceInfo,
+				sourceParent,
+				sourceSource,
+				sourceSourceCollection,
+				sourceSourceProperty,
+			)
 		}
 
 		// If path length is two, we are summing a group or a child relationship
 		if sourceCollection == parser.GroupFieldName {
 			// If the source collection is a group, then the description of the collection
-			//  to sum is this object.
+			// to sum is this object.
 			fieldDescription, fieldDescriptionFound := sourceInfo.collectionDescription.GetField(sourceProperty)
 			if !fieldDescriptionFound {
-				return client.FieldDescription{}, fmt.Errorf("Unable to find field description for field: %s", sourceProperty)
+				return client.FieldDescription{},
+					fmt.Errorf("Unable to find field description for field: %s", sourceProperty)
 			}
 			return fieldDescription, nil
 		} else {
@@ -131,7 +161,8 @@ func (p *Planner) getSourceField(sourceInfo *sourceInfo, parent *parser.Select,
 			}
 			fieldDescription, fieldDescriptionFound := collectionDescription.GetField(sourceProperty)
 			if !fieldDescriptionFound {
-				return client.FieldDescription{}, fmt.Errorf("Unable to find child field description for field: %s", sourceProperty)
+				return client.FieldDescription{},
+					fmt.Errorf("Unable to find child field description for field: %s", sourceProperty)
 			}
 			return fieldDescription, nil
 		}