Database Reference
In-Depth Information
type casts.
hannu=# select add(VARIADIC ARRAY[1,2,NULL]);
-[ RECORD 1 ]
add | 3
You can even smuggle in a multi-dimensional array: hannu=#
select
add(VARIADIC '{{1,2,3},{4,5,6}}'); .
ERROR: 1-dimensional array needed
This calling convention also means that even when you create VARIADIC functions
you need to check the array dimensions.
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