array_concat() function
The array_concat() function concatenates two arrays, creating an array that contains all the elements in the first array followed by all the elements in the second array.
The two arrays must be of the same type, and element names cannot be the same.
Syntax
The array_concat() function has the following
syntax:
array = array_concat(array array1, array array2);
The array1 value specifies
the first of the two arrays to
concatenate.
The array2 value specifies
the second of the two arrays to
concatenate.
Returns
The function concatenates the two arrays.Example
The following query concatenates two arrays and returns a new array
of the same
type:
select (array_concat (array(2),array(2)));
array_concat
--------------
ARR
(1 row)