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  0.00750227
2  0.925756
3  0.792556
4  0.297881
5  0.698799

julia> t2 = table(6:10, rand(5); pkey=1)
Table with 5 rows, 2 columns:
1   2
────────────
6   0.65335
7   0.714516
8   0.163281
9   0.32673
10  0.493141

julia> merge(t1, t2)
Table with 10 rows, 2 columns:
1   2
──────────────
1   0.00750227
2   0.925756
3   0.792556
4   0.297881
5   0.698799
6   0.65335
7   0.714516
8   0.163281
9   0.32673
10  0.493141