or(||)

X || Y

X and Y is a scalar/pair/vector/matrix. If X or Y is a pair/vector/matrix, the other is a scalar or a pair/vector/matrix of the same size.

Return the element-by-element logical X OR Y. If the operands contain NULL values, the operator || returns NULL.

1 || 0;
// output
1

x=1 0 1;
x || 0;
// output
[1,0,1]

y=0 1 0;
x or y;
// output
[1,1,1]

m1=1 1 1 0 0 0$2:3;
m1;

m1 || 0;

m2=1 0 1 0 1 0$2:3;
m2;

or(m1, m2);

t=table(1..3 as id, 4..6 as value);
t;

select id, value from t where id=2 or id=3;