Description
Type
Metadata Access.
Behaviour
It shows the list of the hierarchies or the description of a specified hierarchy.
Parameters
- hierarchy: name of the requested hierarchy. If the value “all” is specified, then the list of all hierarchies is shown.
- hierarchy_version: version of the requested hierarchy. If not specified, it will be used its default value “latest” in order to get info about the latest version of the hierarchy.
System parameters
- exec_mode: operator execution mode. Possible values are async (default) for asynchronous mode, sync for synchronous mode with json-compliant output.
- ncores: number of parallel processes to be used (min. 1). This operator is not parallel, so the only possible value is 1.
- sessionid: session identifier used server-side to manage sessions and jobs. Usually, users don’t need to use/modify it, except when it is necessary to create a new session or switch to another one.
- objkey_filter: filter on the output of the operator written to file (default=all => no filter, none => no output, hierarchy_list => shows operator’s output table, hierarchy_tip => shows operator’s output help message, hierarchy_attrs => shows hierarchy attribute table, hierarchy_function => shows hierarchy name and version).
Examples
Get the description of “oph_time” hierarchy:
[OPH_TERM] >> oph_hierarchy hierarchy=oph_time;
