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MDEV-20632: Recursive CTE cycle detection using CYCLE clause (nonstandard)

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Added CYCLE ... RESTRICT (nonstandard) clause to recursive CTE.
This commit is contained in:
Oleksandr Byelkin
2020-01-27 21:50:16 +01:00
parent a5584b13d1
commit 50c0939166
20 changed files with 619 additions and 147 deletions
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4
sql/sql_base.cc
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@ -5767,7 +5767,7 @@ find_field_in_view(THD *thd, TABLE_LIST *table_list,
replace. If the item was aliased by the user, set the alias to
the replacing item.
*/
if (*ref && !(*ref)->is_autogenerated_name)
if (*ref && !(*ref)->is_autogenerated_name())
item->set_name(thd, (*ref)->name);
if (register_tree_change)
thd->change_item_tree(ref, item);
@ -5858,7 +5858,7 @@ find_field_in_natural_join(THD *thd, TABLE_LIST *table_ref, const char *name, si
replace. If the item was aliased by the user, set the alias to
the replacing item.
*/
if (*ref && !(*ref)->is_autogenerated_name)
if (*ref && !(*ref)->is_autogenerated_name())
item->set_name(thd, (*ref)->name);
if (register_tree_change && arena)
thd->restore_active_arena(arena, &backup);