fixed MySQLStatement::sub_getColumnAsBlob 未正确获取缓存长度

fasiondog · Aug 7, 2024 · 3112523 · 3112523
1 parent 2b6ffd8
commit 3112523
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/hikyuu/utilities/db_connect/mysql/MySQLStatement.cpp b/hikyuu/utilities/db_connect/mysql/MySQLStatement.cpp
@@ -416,7 +416,11 @@ void MySQLStatement::sub_getColumnAsBlob(int idx, std::vector<char>& item) {
     }
 
     try {
-        item = boost::any_cast<std::vector<char>>(m_result_buffer[idx]);
+        unsigned long len = m_result_length[idx];
+        std::vector<char>* p = boost::any_cast<std::vector<char>>(&m_result_buffer[idx]);
+        item.resize(len);
+        memcpy(item.data(), p->data(), len);
+
     } catch (...) {
         HKU_THROW("Field type mismatch! idx: {}", idx);
     }