feat(Core/Misc): compatibility with 10.2+ versions of MariaDB library (#1284) (#1437)

conf/config.cmake.dist

@@ -5,6 +5,7 @@ option(USE_SCRIPTPCH       "Use precompiled headers when compiling scripts"
 option(USE_COREPCH         "Use precompiled headers when compiling servers"              1)
 option(WITH_WARNINGS       "Show all warnings during compile"                            0)
 option(WITH_COREDEBUG      "Include additional debug-code in core"                       0)
+option(MARIADB             "Compatibility with 10.2+ versions of MariaDB library"        0)
 option(WITH_PERFTOOLS      "Enable compilation with gperftools libraries included"       0)
 option(WITH_MESHEXTRACTOR  "Build meshextractor (alpha)"                                 0)
 option(WITHOUT_GIT         "Disable the GIT testing routines"                            0)

src/cmake/showoptions.cmake

@@ -65,6 +65,13 @@ else()
   message("* Use coreside debug              : No  (default)")
 endif()
 
+if( MARIADB )
+  message("* Enable MariaDB 10.2+ support    : Yes")
+  add_definitions(-DMARIADB)
+else()
+  message("* Enable MariaDB 10.2+ support    : No (default)")
+endif()
+
 if ( UNIX )
   if( WITH_PERFTOOLS )
     message("* Use unix gperftools             : Yes")

src/common/Database/MySQLConnection.cpp

@@ -516,8 +516,10 @@ bool MySQLConnection::_HandleMySQLErrno(uint32 errNo)
     {
         case CR_SERVER_GONE_ERROR:
         case CR_SERVER_LOST:
-        case CR_INVALID_CONN_HANDLE:
         case CR_SERVER_LOST_EXTENDED:
+#if !defined MARIADB
+        case CR_INVALID_CONN_HANDLE:
+#endif
         {
             m_reconnecting = true;
             uint64 oldThreadId = mysql_thread_id(GetHandle());