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-rw-r--r--sql/sql_select.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/sql/sql_select.h b/sql/sql_select.h
index f39a70cc3e1..b71679ec43e 100644
--- a/sql/sql_select.h
+++ b/sql/sql_select.h
@@ -1868,6 +1868,8 @@ int opt_sum_query(THD* thd,
/* from sql_delete.cc, used by opt_range.cc */
extern "C" int refpos_order_cmp(void* arg, const void *a,const void *b);
+extern "C" int refpos_cmp(void* arg, const void *a, const void *b);
+
/** class to copying an field/item to a key struct */
class store_key :public Sql_alloc