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Fixed bug #16081: row equalities were not taken into

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account by the optimizer.
Now all row equalities are converted into conjunctions of
equalities between row elements. They are taken into account
by the optimizer together with the original regular equality
predicates.


mysql-test/r/join_outer.result:
  Adjusted results after fix for bug #16081.
mysql-test/r/row.result:
  Added a test cases for bug #16081.
mysql-test/t/row.test:
  Added a test cases for bug #16081.
sql/sql_list.h:
  Corrected the copy constructor for the class base_list.
  The previous implementation resulted in creation of an
  inconsistent base_list if the source list was empty.
This commit is contained in:
unknown
2006-09-01 04:23:04 -07:00
parent 75865af64b
commit a53f3d0f1a
5 changed files with 500 additions and 176 deletions
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6
sql/sql_list.h
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@@ -94,9 +94,9 @@ public:
inline base_list() { empty(); }
inline base_list(const base_list &tmp) :Sql_alloc()
{
elements=tmp.elements;
first=tmp.first;
last=tmp.last;
elements= tmp.elements;
first= tmp.first;
last= elements ? tmp.last : &first;
}
inline base_list(bool error) { }
inline bool push_back(void *info)