Made sure that JOIN_CACHE::max_records is not less than 10.

4a9696a4 · Igor Babaev · f83cc507 · 4a9696a4
Commit 4a9696a4 authored Sep 02, 2010 by Igor Babaev
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sql/sql_join_cache.cc sql/sql_join_cache.cc +1 -1

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--- a/sql/sql_join_cache.cc
+++ b/sql/sql_join_cache.cc
@@ -802,7 +802,7 @@ int JOIN_CACHE::alloc_buffer()
  min_records= 1;
  max_records= partial_join_cardinality <= join_buff_space_limit ?
                 (ulonglong) partial_join_cardinality : join_buff_space_limit;
-  set_if_bigger(max_records, 1);
+  set_if_bigger(max_records, 10);
  min_buff_size= get_min_join_buffer_size();
  buff_size= get_max_join_buffer_size();
  for (tab= join->join_tab+join->const_tables; tab <= join_tab; tab++)