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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.
This commit is contained in:
igor@rurik.mysql.com
2006-09-01 04:23:04 -07:00
parent d10d5b835d
commit 0e96978cf6
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)