1 files changed, 5 insertions, 0 deletions
diff --git a/sql/protocol.h b/sql/protocol.h
index aa23a071891..c89165e7904 100644
--- a/sql/protocol.h
+++ b/sql/protocol.h
@@ -35,6 +35,7 @@ class Protocol
 protected:
   THD	 *thd;
   String *packet;
+  /* Used by net_store_data() for charset conversions */
   String *convert;
   uint field_pos;
 #ifndef DBUG_OFF
@@ -53,6 +54,10 @@ protected:
   MYSQL_FIELD *next_mysql_field;
   MEM_ROOT *alloc;
 #endif
+  /* 
+    The following two are low-level functions that are invoked from
+    higher-level store_xxx() funcs.  The data is stored into this->packet.
+  */
   bool store_string_aux(const char *from, size_t length,
                         CHARSET_INFO *fromcs, CHARSET_INFO *tocs);