From 4287cd42b25cecddb1dcae61d30f2cd06ade24c4 Mon Sep 17 00:00:00 2001
From: Piyush Chauhan <42397980+pyshx@users.noreply.github.com>
Date: Mon, 29 Jul 2024 10:59:44 +0530
Subject: [PATCH] fix(mongox): transaction read pref should be primary (#43)

---
 mongox/transaction.go | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/mongox/transaction.go b/mongox/transaction.go
index d9f9e95..4f926f1 100644
--- a/mongox/transaction.go
+++ b/mongox/transaction.go
@@ -7,7 +7,6 @@ import (
 	"github.com/reearth/reearthx/usecasex"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
-	"go.mongodb.org/mongo-driver/mongo/readpref"
 	"go.mongodb.org/mongo-driver/x/mongo/driver"
 )
 
@@ -24,13 +23,7 @@ func NewTransaction(client *mongo.Client) *Transaction {
 }
 
 func (t *Transaction) Begin(ctx context.Context) (usecasex.Tx, error) {
-	// Set the read preference to Nearest
-	rp := readpref.Nearest()
-	
-	// Create session options with the Nearest read preference
-	sessionOpts := options.Session().SetDefaultReadPreference(rp)
-
-	s, err := t.client.StartSession(sessionOpts)
+	s, err := t.client.StartSession(options.Session())
 	if err != nil {
 		return nil, err
 	}