or(||)

Syntax

(X,Y) or X||Y

Arguments

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.

Details

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

Note:

If the operands of or or || contain NULL values, the operator || returns NULL, while the function or returns different results for different server versions:

For versions earlier than 1.30.21.4/2.00.9.4, or returns NULL.
For version 1.30.21.4/2.00.9.4 or higher, the result may differ based on the configuration parameter logicOrIgnoreNull.


Operand A	Operand B	result (when logicOrIgnoreNull= true)	result (when logicOrIgnoreNull= false)
non-zero	NULL	true	NULL
zero	NULL	false	NULL
NULL	NULL	NULL	NULL

Examples

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;


#0	#1	#2
1	1	0
1	0	0

m1 || 0;


#0	#1	#2
1	1	0
1	0	0

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


#0	#1	#2
1	1	1
0	0	0

or(m1, m2);


#0	#1	#2
1	1	1
1	0	0

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


id	value
1	4
2	5
3	6


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


id	value
2	5
3	6