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-rw-r--r--sql/opt_range.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/sql/opt_range.cc b/sql/opt_range.cc
index 0645fe15df3..b2128c3eb4a 100644
--- a/sql/opt_range.cc
+++ b/sql/opt_range.cc
@@ -1030,7 +1030,7 @@ get_mm_leaf(Field *field,KEY_PART *key_part,
{
/* convert column_name <=> NULL -> column_name IS NULL */
char *str= (char*) sql_alloc(1); // Get local copy of key
- if (!*str)
+ if (!str)
DBUG_RETURN(0);
*str = 1;
DBUG_RETURN(new SEL_ARG(field,str,str));