AS ABAP Release 753, ©Copyright 2019 SAP AG. All rights reserved.
ABAP Keyword Documentation → ABAP − Reference → Processing External Data → ABAP Database Access → ABAP SQL → ABAP SQL - Reads → SELECT clauses → SELECT - FROM → SELECT - FROM data_source → SELECT - FROM table_function →SELECT - FROM hierarchy_function
Syntax
... HIERARCHY( ... )
| HIERARCHY_DESCENDANTS( ... )
| HIERARCHY_ANCESTORS( ... )
| HIERARCHY_SIBLINGS( ... ) ...
Effect
Specifies a hierarchy function as a data source data_source in a ABAP SQL query.
Hierarchy functions are not supported by all databases.
Notes