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Merge 10.1 into 10.2

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This commit is contained in:
Marko Mäkelä
2018-08-02 08:19:57 +03:00
parent a90b3862d9 2fb68244b4
commit ef3070e997
172 changed files with 3937 additions and 1012 deletions
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17
sql/sql_select.cc
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@ -4137,8 +4137,8 @@ make_join_statistics(JOIN *join, List<TABLE_LIST> &tables_list,
int ref_changed;
do
{
more_const_tables_found:
ref_changed = 0;
more_const_tables_found:
found_ref=0;
/*
@ -4305,7 +4305,7 @@ make_join_statistics(JOIN *join, List<TABLE_LIST> &tables_list,
}
}
}
} while (join->const_table_map & found_ref && ref_changed);
} while (ref_changed);
join->sort_by_table= get_sort_by_table(join->order, join->group_list,
join->select_lex->leaf_tables,
@ -8548,8 +8548,13 @@ bool JOIN_TAB::keyuse_is_valid_for_access_in_chosen_plan(JOIN *join,
st_select_lex *sjm_sel= emb_sj_nest->sj_subq_pred->unit->first_select();
for (uint i= 0; i < sjm_sel->item_list.elements; i++)
{
if (sjm_sel->ref_pointer_array[i] == keyuse->val)
return true;
DBUG_ASSERT(sjm_sel->ref_pointer_array[i]->real_item()->type() == Item::FIELD_ITEM);
if (keyuse->val->real_item()->type() == Item::FIELD_ITEM)
{
Field *field = ((Item_field*)sjm_sel->ref_pointer_array[i]->real_item())->field;
if (field->eq(((Item_field*)keyuse->val->real_item())->field))
return true;
}
}
return false;
}
@ -9154,7 +9159,6 @@ static bool create_hj_key_for_table(JOIN *join, JOIN_TAB *join_tab,
if (first_keyuse)
{
key_parts++;
first_keyuse= FALSE;
}
else
{
@ -9164,7 +9168,7 @@ static bool create_hj_key_for_table(JOIN *join, JOIN_TAB *join_tab,
if (curr->keypart == keyuse->keypart &&
!(~used_tables & curr->used_tables) &&
join_tab->keyuse_is_valid_for_access_in_chosen_plan(join,
keyuse) &&
curr) &&
are_tables_local(join_tab, curr->used_tables))
break;
}
@ -9172,6 +9176,7 @@ static bool create_hj_key_for_table(JOIN *join, JOIN_TAB *join_tab,
key_parts++;
}
}
first_keyuse= FALSE;
keyuse++;
} while (keyuse->table == table && keyuse->is_for_hash_join());
if (!key_parts)