Fix valgrind failure

57c17e18 · Sergey Petrunya · a2e29a83 · 57c17e18
Commit 57c17e18 authored Aug 09, 2010 by Sergey Petrunya
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sql/multi_range_read.cc sql/multi_range_read.cc +2 -1

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--- a/sql/multi_range_read.cc
+++ b/sql/multi_range_read.cc
@@ -820,7 +820,8 @@ void DsMrr_impl::dsmrr_fill_key_buffer()
  DBUG_ENTER("DsMrr_impl::dsmrr_fill_key_buffer");

  // reset the buffer for writing.
-  key_buffer.reset_for_writing();
+  if (key_tuple_length)
+    key_buffer.reset_for_writing();

  while ((key_tuple_length == 0 || 
          key_buffer.have_space_for(key_buff_elem_size)) &&