From 86b590c064004254ae2b824fd88395918370d72c Mon Sep 17 00:00:00 2001
From: Aleksey Midenkov <midenok@gmail.com>
Date: Mon, 27 Nov 2017 21:40:42 +0300
Subject: [PATCH] SQL: hide system fields from PK [#361]

---
 sql/sql_show.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sql/sql_show.cc b/sql/sql_show.cc
index 3985bf1d7e4..a1dc7bb5829 100644
--- a/sql/sql_show.cc
+++ b/sql/sql_show.cc
@@ -2256,6 +2256,14 @@ int show_create_table(THD *thd, TABLE_LIST *table_list, String *packet,
 
     for (uint j=0 ; j < key_info->user_defined_key_parts ; j++,key_part++)
     {
+      Field *field= key_part->field;
+      if (field && field->vers_sys_field())
+      {
+        if (vers_hide == VERS_HIDE_FULL /*|| ((field->flags & HIDDEN_FLAG) &&
+                                            vers_hide != VERS_HIDE_NEVER)*/)
+          continue;
+      }
+
       if (j)
         packet->append(',');