From 4c03ce451f299969fd0fff6212e1f1e696b0f523 Mon Sep 17 00:00:00 2001
From: Jack Christensen <jack@jackchristensen.com>
Date: Sat, 31 Aug 2019 16:00:41 -0500
Subject: [PATCH] Add MarshalJSON for FieldDescription

---
 row_description.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/row_description.go b/row_description.go
index 2745fa43..d9b8c7c9 100644
--- a/row_description.go
+++ b/row_description.go
@@ -23,6 +23,27 @@ type FieldDescription struct {
 	Format               int16
 }
 
+// MarshalJSON implements encoding/json.Marshaler.
+func (fd FieldDescription) MarshalJSON() ([]byte, error) {
+	return json.Marshal(struct {
+		Name                 string
+		TableOID             uint32
+		TableAttributeNumber uint16
+		DataTypeOID          uint32
+		DataTypeSize         int16
+		TypeModifier         int32
+		Format               int16
+	}{
+		Name:                 string(fd.Name),
+		TableOID:             fd.TableOID,
+		TableAttributeNumber: fd.TableAttributeNumber,
+		DataTypeOID:          fd.DataTypeOID,
+		DataTypeSize:         fd.DataTypeSize,
+		TypeModifier:         fd.TypeModifier,
+		Format:               fd.Format,
+	})
+}
+
 type RowDescription struct {
 	Fields []FieldDescription
 }