From 15a78334c32782327580933668f8dbeafb4ee2e3 Mon Sep 17 00:00:00 2001
From: "sergefp@mysql.com" <>
Date: Fri, 21 Oct 2005 06:29:17 +0400
Subject: BUG#9622, stage 2, work together with fix for BUG#12232: added
 "nulls_ignored" index statistics collection method for MyISAM tables.
 (notification trigger: this is about BUG#9622).

---
 myisam/myisamdef.h | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'myisam/myisamdef.h')

diff --git a/myisam/myisamdef.h b/myisam/myisamdef.h
index 93a7bf96f59..a766d59d72a 100644
--- a/myisam/myisamdef.h
+++ b/myisam/myisamdef.h
@@ -297,7 +297,14 @@ typedef struct st_mi_sort_param
   pthread_t  thr;
   IO_CACHE read_cache, tempfile, tempfile_for_exceptions;
   DYNAMIC_ARRAY buffpek;
+  
+  /* 
+    The next two are used to collect statistics, see update_key_parts for
+    description.
+  */
   ulonglong unique[MI_MAX_KEY_SEG+1];
+  ulonglong notnull[MI_MAX_KEY_SEG+1];
+
   my_off_t pos,max_pos,filepos,start_recpos;
   uint key, key_length,real_key_length,sortbuff_size;
   uint maxbuffers, keys, find_length, sort_keys_length;
-- 
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