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Merge 10.2 into 10.3

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This commit is contained in:
Marko Mäkelä
2021-10-21 13:41:04 +03:00
parent 1388845e04 1a2308d3f4
commit e4a7c15dd6
70 changed files with 1947 additions and 527 deletions
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23
sql/sql_select.cc
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@ -26867,6 +26867,11 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type)
//Item List
bool first= 1;
/*
outer_select() can not be used here because it is for name resolution
and will return NULL at any end of name resolution chain (view/derived)
*/
bool top_level= (get_master()->get_master() == 0);
List_iterator_fast<Item> it(item_list);
Item *item;
while ((item= it++))
@ -26876,7 +26881,8 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type)
else
str->append(',');
if (is_subquery_function() && item->is_autogenerated_name)
if ((is_subquery_function() && item->is_autogenerated_name) ||
!item->name.str)
{
/*
Do not print auto-generated aliases in subqueries. It has no purpose
@ -26885,7 +26891,20 @@ void st_select_lex::print(THD *thd, String *str, enum_query_type query_type)
item->print(str, query_type);
}
else
item->print_item_w_name(str, query_type);
{
/*
Do not print illegal names (if it is not top level SELECT).
Top level view checked (and correct name are assigned),
other cases of top level SELECT are not important, because
it is not "table field".
*/
if (top_level ||
!item->is_autogenerated_name ||
!check_column_name(item->name.str))
item->print_item_w_name(str, query_type);
else
item->print(str, query_type);
}
}
/*