Postgres (8.0.2., Redshift) SQL function definition, error "The cursor is not located inside a statement" -

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i super noob in postgresql. need define func map: int --> datetime after reading documentation i've come this:

 create function fut(num integer) returns datetime  -- convert unix time integer datetime timestamp     $$ select timestamp 'epoch'+interval '1 second'*num; $$     language plpgsql;  select fut(500);

but returns 

the cursor not located inside statement!

could please point me doing wrong here?

as far knew redshift doesn't permit user-defined functions. yeah: http://docs.aws.amazon.com/redshift/latest/dg/c_unsupported-postgresql-features.html : user-defined functions , stored procedures. think you're plain out of luck.

a search redshift epoch timestamp or redshift to_timestamp finds lots of other people have looked already:

etc.

the sensible answers rely on:

timestamp 'epoch' + myunixtime * interval '1 second '

which appear doing. best going get, because redshift not support user-defined functions.


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