Joins

Table Joins

Table joins are accomplished through the join function.

Appending Tables with the Same Columns

The merge function will combine tables while maintaining the sorting of the primary key(s).

julia> t1 = table(1:5, rand(5); pkey=1)
Table with 5 rows, 2 columns:
1  2
───────────
1  0.230959
2  0.124248
3  0.705429
4  0.129762
5  0.944281

julia> t2 = table(6:10, rand(5); pkey=1)
Table with 5 rows, 2 columns:
1   2
────────────
6   0.9815
7   0.244207
8   0.102784
9   0.755946
10  0.292959

julia> merge(t1, t2)
Table with 10 rows, 2 columns:
1   2
────────────
1   0.230959
2   0.124248
3   0.705429
4   0.129762
5   0.944281
6   0.9815
7   0.244207
8   0.102784
9   0.755946
10  0.292959