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-rw-r--r--sql/sql_class.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/sql/sql_class.h b/sql/sql_class.h
index 9071a2db516..7ca3896a69d 100644
--- a/sql/sql_class.h
+++ b/sql/sql_class.h
@@ -5216,6 +5216,9 @@ public:
{
ulonglong max_elems_in_tree=
max_in_memory_size / ALIGN_SIZE(sizeof(TREE_ELEMENT)+key_size);
+
+ if (max_elems_in_tree == 0)
+ max_elems_in_tree= 1;
return (int) (sizeof(uint)*(1 + nkeys/max_elems_in_tree));
}