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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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3
sql/sql_select.cc
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@@ -22657,8 +22657,7 @@ int JOIN::save_explain_data(Explain_query *output, bool need_tmp_table,
*/
if (tab->select && tab->select->quick && tab_type != JT_CONST)
{
eta->quick_info= new Explain_quick_select;
tab->select->quick->save_info(thd->mem_root, eta->quick_info);
eta->quick_info= tab->select->quick->get_explain(thd->mem_root);
}
if (key_info) /* 'index' or 'ref' access */