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  0.928011
2  0.505837
3  0.788345
4  0.254091
5  0.887902
julia> t2 = table(6:10, rand(5); pkey=1)Table with 5 rows, 2 columns:
1   2
────────────
6   0.482728
7   0.881702
8   0.379583
9   0.569286
10  0.183174
julia> merge(t1, t2)Table with 10 rows, 2 columns:
1   2
────────────
1   0.928011
2   0.505837
3   0.788345
4   0.254091
5   0.887902
6   0.482728
7   0.881702
8   0.379583
9   0.569286
10  0.183174