attr¶
Attributes of an object
attr x attr[x]
Where x is any object, returns its attributes as a symbol vector.
The possible attributes are:
| code | attribute |
|---|---|
| s | sorted |
| u | unique (hash table) |
| p | partitioned (grouped) |
| g | true index (dynamic attribute): enables constant time update and access for real-time tables |
A null symbol result ` means no attributes are set on x.
q)attr 1 3 4
`
q)attr asc 1 3 4
`s
q)attr ({x+y})
`
Set Attribute
Metadata
Q for Mortals
§8.8 Attributes