From bf150d00b0b1e78c609d3a5b3227c51090556d1c Mon Sep 17 00:00:00 2001
From: phoenix20162016 <cuibo20062006@163.com>
Date: Fri, 7 Jul 2023 14:42:32 +0800
Subject: [PATCH] add BOM mark to csv file(#550)

---
 src/primihub/task/semantic/keyword_pir_client_task.cc | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/primihub/task/semantic/keyword_pir_client_task.cc b/src/primihub/task/semantic/keyword_pir_client_task.cc
index 9dd991ec..1fc7ca7a 100644
--- a/src/primihub/task/semantic/keyword_pir_client_task.cc
+++ b/src/primihub/task/semantic/keyword_pir_client_task.cc
@@ -161,6 +161,11 @@ retcode KeywordPIRClientTask::saveResult(
     }
 
     std::stringstream csv_output;
+    // write bom
+    uint8_t kBOM[] = {0xEF, 0xBB, 0xBF};
+    for (auto ch : kBOM) {
+      csv_output << ch;
+    }
     for (size_t i = 0; i < orig_items.size(); i++) {
         if (!intersection[i].found) {
             VLOG(0) << "no match result found for query: [" << orig_items[i] << "]";
-- 
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