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-rw-r--r--sql/item_sum.cc5
1 files changed, 2 insertions, 3 deletions
diff --git a/sql/item_sum.cc b/sql/item_sum.cc
index 879c27178e5..40fe52a12e5 100644
--- a/sql/item_sum.cc
+++ b/sql/item_sum.cc
@@ -931,9 +931,8 @@ bool Item_sum_count_distinct::setup(THD *thd)
rec_offset = table->reclength - key_len;
}
- init_tree(&tree, min(max_heap_table_size, sortbuff_size/16),
- key_len, compare_key, 0, 0);
- tree.cmp_arg = cmp_arg;
+ init_tree(&tree, min(max_heap_table_size, sortbuff_size/16), 0,
+ key_len, compare_key, 0, NULL, cmp_arg);
use_tree = 1;
// the only time key_len could be 0 is if someone does