Lists the object types and metadata known by the connection, and how those object types relate to each other.
A connection object, as returned by
The returned hierarchy takes the form of a nested list, in which each object type supported by the connection is a named list with the following attributes:
A list of other object types contained by the object, or "data" if the object contains data
An optional path to an icon representing the type
For instance, a connection in which the top-level object is a schema that contains tables and views, the function will return a list like the following:
list(schema = list(contains = list( list(name = "table", contains = "data") list(name = "view", contains = "data"))))
The hierarchy of object types supported by the connection.
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