From c5b05c18e6ead88aa53039ae888c890ad65ec1cf Mon Sep 17 00:00:00 2001
From: DandreChen <justchenxuedong@163.com>
Date: Fri, 23 Sep 2022 10:28:11 +0800
Subject: [PATCH] fix(stonedb8.0): fix Tianmu engine for union primary key
 crash (#534) 	details: 		if use the union primary query between
 two or more tables, 	the Tianmu engine may crash. because it do not init
 the bitmap of 	index field.

---
 storage/tianmu/handler/tianmu_handler.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/storage/tianmu/handler/tianmu_handler.cpp b/storage/tianmu/handler/tianmu_handler.cpp
index 81520df35..c68542d1f 100644
--- a/storage/tianmu/handler/tianmu_handler.cpp
+++ b/storage/tianmu/handler/tianmu_handler.cpp
@@ -1536,6 +1536,8 @@ void TianmuHandler::key_convert(const uchar *key, uint key_len, std::vector<uint
   std::vector<std::string> records;
   for (auto &i : cols) {
     Field *f = field[i];
+    // stonedb8 init for union primary key
+    bitmap_set_bit(table->read_set, f->field_index());
     size_t length;
     if (f->is_null()) {
       throw common::Exception("Priamry key part can not be NULL");