init push

backend/domain/json.go

@@ -0,0 +1,28 @@
+package domain
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+	"fmt"
+)
+
+type MapStrInt64 map[string]int64
+
+func (m *MapStrInt64) Value() (driver.Value, error) {
+	if m == nil {
+		return []byte("{}"), nil
+	}
+	return json.Marshal(m)
+}
+
+func (m *MapStrInt64) Scan(value interface{}) error {
+	if value == nil {
+		*m = MapStrInt64{}
+		return nil
+	}
+	bytes, ok := value.([]byte)
+	if !ok {
+		return fmt.Errorf("MapStrInt64: Scan source is not []byte")
+	}
+	return json.Unmarshal(bytes, m)
+}