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MWL#90: Address review feedback part #2

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This commit is contained in:
Sergey Petrunya
2011-03-21 23:06:16 +03:00
parent 792c67ff61
commit d56e74eb9b
3 changed files with 24 additions and 15 deletions
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8
sql/sql_join_cache.cc
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@ -3235,6 +3235,13 @@ int JOIN_TAB_SCAN::next()
}
/*
Walk back in join order from join_tab until we encounter a join tab with
tab->cache!=NULL, and save/restore tab->table->status along the way.
@param save TRUE save
FALSE restore
*/
void save_or_restore_used_tabs(JOIN_TAB *join_tab, bool save)
{
JOIN_TAB *first= join_tab->bush_root_tab?
@ -3251,6 +3258,7 @@ void save_or_restore_used_tabs(JOIN_TAB *join_tab, bool save)
{
if (save)
child->table->status= child->status;
else
{
tab->status= tab->table->status;
tab->table->status= 0;