Save stack trace on exception from typeid_cast [#CLICKHOUSE-4].

dbms/src/Common/typeid_cast.h

@@ -2,6 +2,18 @@
 
 #include <type_traits>
 #include <typeinfo>
+#include <string>
+
+#include <Common/Exception.h>
+
+
+namespace DB
+{
+    namespace ErrorCodes
+    {
+        extern const int BAD_CAST;
+    }
+}
 
 
 /** Проверяет совпадение типа путём сравнения typeid-ов.
@@ -14,7 +26,8 @@ typename std::enable_if<std::is_reference<To>::value, To>::type typeid_cast(From
     if (typeid(from) == typeid(To))
         return static_cast<To>(from);
     else
-        throw std::bad_cast();
+        throw DB::Exception("Bad cast from type " + std::string(typeid(from).name) + " to " + std::string(typeid(To).name),
+            DB::ErrorCodes::BAD_CAST);
 }
 
 template <typename To, typename From>

dbms/src/Core/ErrorCodes.cpp

@@ -370,6 +370,7 @@ namespace ErrorCodes
     extern const int OUTPUT_IS_NOT_SORTED = 365;
     extern const int SIZES_OF_NESTED_COLUMNS_ARE_INCONSISTENT = 366;
     extern const int TOO_MUCH_FETCHES = 367;
+    extern const int BAD_CAST = 368;
 
     extern const int KEEPER_EXCEPTION = 999;
     extern const int POCO_EXCEPTION = 1000;