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MDEV-3798: EXPLAIN UPDATE/DELETE

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- Better EXPLAIN-saving methods for quick selects
This commit is contained in:
Sergey Petrunya
2013-10-07 13:58:47 +04:00
parent 8346a498ea
commit 69393db3d1
4 changed files with 81 additions and 55 deletions
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5
sql/sql_explain.h
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@@ -341,7 +341,10 @@ public:
class Explain_quick_select : public Sql_alloc
{
public:
int quick_type;
Explain_quick_select(int quick_type_arg) : quick_type(quick_type_arg)
{}
const int quick_type;
/* This is used when quick_type == QUICK_SELECT_I::QS_TYPE_RANGE */
Explain_index_use range;