QREL
From SDU
To make corrections or additions to this article, select the edit tab above.
To discuss or ask questions about this article, select the discussion tab above.
To discuss or ask questions about this article, select the discussion tab above.
Overview
A QREL attribute is a "Query RELation". A QREL attribute is also a list of objects defined by a where clause.
QREL Syntax <source lang="javascript">children QREL chg DYNAMIC { WHERE "parent = ? " ; PARAM_NAMES { id } ; DOMSET chg_list ; } ;</source>
Used to access a list of objects related to the current object using where clause
Many to One Relationship
Example: The relationship of many Child Requests to Parent Request
Indicates a virtual column representing a set of objects selected by the where clause on the Advanced tab. It exists only in the Object Engine and is not physically stored in the database.