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-rw-r--r--sql/opt_sum.cc10
1 files changed, 5 insertions, 5 deletions
diff --git a/sql/opt_sum.cc b/sql/opt_sum.cc
index f9a51a8348f..55efcce1c19 100644
--- a/sql/opt_sum.cc
+++ b/sql/opt_sum.cc
@@ -59,9 +59,9 @@ static int maxmin_in_range(bool max_fl, Field* field, COND *cond);
SYNOPSIS
opt_sum_query()
- tables Tables in query
- all_fields All fields to be returned
- conds WHERE clause
+ tables list of leaves of join table tree
+ all_fields All fields to be returned
+ conds WHERE clause
NOTE:
This function is only called for queries with sum functions and no
@@ -89,7 +89,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
where_tables= conds->used_tables();
/* Don't replace expression on a table that is part of an outer join */
- for (TABLE_LIST *tl= tables; tl; tl= tl->next_local)
+ for (TABLE_LIST *tl= tables; tl; tl= tl->next_leaf)
{
if (tl->on_expr)
{
@@ -128,7 +128,7 @@ int opt_sum_query(TABLE_LIST *tables, List<Item> &all_fields,COND *conds)
{
longlong count= 1;
TABLE_LIST *table;
- for (table= tables; table; table= table->next_local)
+ for (table= tables; table; table= table->next_leaf)
{
if (outer_tables || (table->table->file->table_flags() &
HA_NOT_EXACT_COUNT) || table->schema_table)