uj: Upper join
In HikaGenji/fql: Functional Query Language

Description Usage Arguments Value Author(s) Examples

The uj verb is a type of union join that generalizes comma. The result has the union of the columns filled with nulls where necessary.

uj(x, y)

`x`	A dataframe
`y`	A dataframe

A dataframe

JFP

  x <- data.frame(a=c(1,2),
                  b=c(2,3),
                  c=c(5,7)
  )
  y <- data.frame(a=1:3,
                  b=c(2,3,7),
                  c=c(10,20,30),
                  d=c("A" , "B", "C")
  )
  
  # unkeyed, so second table is inserted
  x %>% uj(y)