gustafn
committed
on 24 Mar 21
added constraint cr_items_parent_id_ck to avoid certain simple loops on parent_ids

An item must not be equal to its own parent. Note that … Show more
added constraint cr_items_parent_id_ck to avoid certain simple loops on parent_ids

An item must not be equal to its own parent.  Note that this constraint is not

guaranteed to avoid all loops; it is still possible to create indirect recursive

loops but excludes some real-world problems.

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