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Fixed bug #16260.

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The problem has manifested itself in the cases when we have a nested outer join
for which it can be inferred that one of the inner tables is a single row table.
This commit is contained in:
igor@rurik.mysql.com
2006-01-27 21:20:28 -08:00
parent edca1d6f07
commit eb8507208e
3 changed files with 53 additions and 1 deletions
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3
sql/sql_select.cc
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@@ -2172,7 +2172,8 @@ make_join_statistics(JOIN *join, TABLE_LIST *tables, COND *conds,
if (eq_part.is_prefix(table->key_info[key].key_parts) &&
((table->key_info[key].flags & (HA_NOSAME | HA_END_SPACE_KEY)) ==
HA_NOSAME) &&
!table->fulltext_searched)
!table->fulltext_searched &&
!table->pos_in_table_list->embedding)
{
if (const_ref == eq_part)
{ // Found everything for ref.