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5.3 merge

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This commit is contained in:
Sergei Golubchik 2012-05-04 07:16:38 +02:00
commit 44cf9ee5f7
52 changed files with 850 additions and 135 deletions
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4
sql/opt_subselect.h
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@ -146,7 +146,9 @@ public:
void add_keyuse(table_map remaining_tables, KEYUSE *keyuse)
{
if (try_loosescan && keyuse->sj_pred_no != UINT_MAX)
if (try_loosescan && keyuse->sj_pred_no != UINT_MAX &&
(keyuse->table->file->index_flags(keyuse->key, 0, 1 ) & HA_READ_ORDER))
{
if (!(remaining_tables & keyuse->used_tables))
{