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merged

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serg@serg.mylan
2006-01-06 18:26:59 +01:00
parent 7d20407c9c be8f21e8f1
commit 8dc77f267b
46 changed files with 437 additions and 300 deletions
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14
sql/opt_range.cc
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@@ -5737,6 +5737,7 @@ bool QUICK_ROR_UNION_SELECT::check_if_keys_used(List<Item> *fields)
/*
Create quick select from ref/ref_or_null scan.
SYNOPSIS
get_quick_select_for_ref()
thd Thread handle
@@ -5756,15 +5757,18 @@ bool QUICK_ROR_UNION_SELECT::check_if_keys_used(List<Item> *fields)
QUICK_RANGE_SELECT *get_quick_select_for_ref(THD *thd, TABLE *table,
TABLE_REF *ref, ha_rows records)
{
MEM_ROOT *old_root= thd->mem_root;
/* The following call may change thd->mem_root */
QUICK_RANGE_SELECT *quick= new QUICK_RANGE_SELECT(thd, table, ref->key, 0);
/* save mem_root set by QUICK_RANGE_SELECT constructor */
MEM_ROOT *alloc= thd->mem_root;
MEM_ROOT *old_root, *alloc;
QUICK_RANGE_SELECT *quick;
KEY *key_info = &table->key_info[ref->key];
KEY_PART *key_part;
QUICK_RANGE *range;
uint part;
old_root= thd->mem_root;
/* The following call may change thd->mem_root */
quick= new QUICK_RANGE_SELECT(thd, table, ref->key, 0);
/* save mem_root set by QUICK_RANGE_SELECT constructor */
alloc= thd->mem_root;
/*
return back default mem_root (thd->mem_root) changed by
QUICK_RANGE_SELECT constructor