Re: Example for unnest(anyarray, anyarray) fails

On Wed, Dec 11, 2019 at 3:21 PM PG Doc comments form <noreply(at)postgresql(dot)org>
wrote:

> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/9.6/functions-array.html
> Description:
>
> [...]

> ghowe=# select unnest(ARRAY[1,2],ARRAY['foo','bar','baz']);
> ERROR: function unnest(integer[], text[]) does not exist
> LINE 1: select unnest(ARRAY[1,2],ARRAY['foo','bar','baz'])
> ^
> HINT: No function matches the given name and argument types. You might
> need
> to add explicit type casts.
>

As your query doesn't place the unnest function in the FROM clause as the
documentation says is required it is to be expected that your query fails.
The subsequent part of that sentence links you over to the section of the
documentation that provides a full example. The one in the table is
intended as a quick-reference.

David J.