Use pgx

postgres/models.go

@@ -7,6 +7,7 @@ import (
 	"time"
 
 	"github.com/google/uuid"
+	"github.com/jackc/pgtype"
 )
 
 type Account struct {
@@ -30,8 +31,8 @@ type Payee struct {
 type Transaction struct {
 	ID        uuid.UUID
 	Date      time.Time
-	Memo      sql.NullString
-	Amount    string
+	Memo      string
+	Amount    pgtype.Numeric
 	AccountID uuid.UUID
 	PayeeID   uuid.NullUUID
 }