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ARRAY_FLATTEN function

Merges multiple arrays into a single array of SUPER type. Elements from the first inner array appear first, followed by elements from subsequent inner arrays. NULLs are treated as known objects.

Syntax

ARRAY_FLATTEN( array )

Arguments

Return type

The ARRAY_FLATTEN function returns a SUPER type.

Example

The following example shows the ARRAY_FLATTEN function.

SELECT ARRAY_FLATTEN(ARRAY(ARRAY(1,2,3,4),ARRAY(5,6,7,8),ARRAY(9,10)));
     array_flatten
------------------------
 [1,2,3,4,5,6,7,8,9,10]
(1 row)

See also