schema: Omit null fields from being encoded to JSON

This patch disables encoding the `Fields` field of `JSONSchemaItemType` if its `nil`. This avoids producing a bunch of noise in the schema generated by tool/parquet-tools.
xitongsys · Jun 10, 2021 · e461e21 · e461e21
1 parent 471272a
commit e461e21
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/schema/json.go b/schema/json.go
@@ -10,8 +10,8 @@ import (
 )
 
 type JSONSchemaItemType struct {
-	Tag    string
-	Fields []*JSONSchemaItemType
+	Tag    string                `json:"Tag"`
+	Fields []*JSONSchemaItemType `json:"Fields,omitempty"`
 }
 
 func NewJSONSchemaItem() *JSONSchemaItemType {