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authorram@gw.mysql.r18.ru <>2005-01-26 16:02:19 +0400
committerram@gw.mysql.r18.ru <>2005-01-26 16:02:19 +0400
commit4453a6243e6c2db7d92f0de544a5f8f46b05ad04 (patch)
tree9826f15d950bfe80e7e395f4181991ce6ee8ba0e /sql/sql_help.cc
parentf995a526b1f244c1303c3d4dc02cefac7738543d (diff)
downloadmariadb-git-4453a6243e6c2db7d92f0de544a5f8f46b05ad04.tar.gz
after review fixup (bug #8129: help.test fails using --ps-protocol)
Diffstat (limited to 'sql/sql_help.cc')
-rw-r--r--sql/sql_help.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/sql_help.cc b/sql/sql_help.cc
index ff2f5bf4992..759b535da53 100644
--- a/sql/sql_help.cc
+++ b/sql/sql_help.cc
@@ -558,6 +558,10 @@ SQL_SELECT *prepare_simple_select(THD *thd, Item *cond, TABLE_LIST *tables,
{
if (!cond->fixed)
cond->fix_fields(thd, tables, &cond); // can never fail
+
+ /* Assume that no indexes cover all required fields */
+ table->used_keys.clear_all();
+
SQL_SELECT *res= make_select(table,0,0,cond,error);
if (*error || (res && res->check_quick(thd, 0, HA_POS_ERROR)) ||
(res->quick && res->quick->reset()))