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