From: Annamalai Gurusami
Date: May 21 2012 12:08pm
Subject: bzr push into mysql-trunk branch (annamalai.gurusami:3896 to 3897)
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 3897 Annamalai Gurusami	2012-05-21 [merge]
      Merge from mysql-5.5 to mysql-trunk. 

    modified:
      sql/handler.cc
 3896 Jorgen Loland	2012-05-21
      WL#6158 followup
      
      Move counting of partial plans to best_access_path().

    modified:
      mysql-test/r/greedy_search.result
      sql/sql_planner.cc
=== modified file 'sql/handler.cc'
--- a/sql/handler.cc	revid:jorgen.loland@stripped
+++ b/sql/handler.cc	revid:annamalai.gurusami@stripped
@@ -3047,18 +3047,18 @@ int handler::update_auto_increment()
         Note that in prelocked mode no estimation is given.
       */
 
-      /*
-        For multi-row inserts, if the bulk inserts cannot be started, the
-        handler::estimation_rows_to_insert will not be set. Set it here.
-      */
-      if ((estimation_rows_to_insert == 0) &&
-          (thd->lex->many_values.elements > 0))
-      {
-        estimation_rows_to_insert= thd->lex->many_values.elements;
-      }
-
       if ((auto_inc_intervals_count == 0) && (estimation_rows_to_insert > 0))
         nb_desired_values= estimation_rows_to_insert;
+      else if ((auto_inc_intervals_count == 0) &&
+               (thd->lex->many_values.elements > 0))
+      {
+        /*
+          For multi-row inserts, if the bulk inserts cannot be started, the
+          handler::estimation_rows_to_insert will not be set. But we still
+          want to reserve the autoinc values.
+        */
+        nb_desired_values= thd->lex->many_values.elements;
+      }
       else /* go with the increasing defaults */
       {
         /* avoid overflow in formula, with this if() */

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