areSame

areSame(T.A : ‘a) 🡒 boolean, aggregator

The aggregator indicates whether any pair of elements a and b of the group satifies the equality a == b.

table T = with
  [| as A, as B |]
  [| 0,   "a"   |]
  [| 0,   "a"   |]
  [| 0,   "b"   |]
  [| 1,   "b"   |]
  [| 1,   "c"   |]

table G[gdim] = by T.B

where T.B != "c"
  show table "" a1b4 with
    gdim
    areSame(T.A)
    group by gdim

The aggregator areSame supports all the data types. It returns true on empty groups.

See also

• distinct.
• same.