I can
select foo('{}'::int4[]) -- ok
select foo('{}') -- ok too
but
select foo(array[]) -- syntax error,
my function can by like
Correct -- you cannot use the ARRAY constructor empty. If you need an empty array, use '{}'. Search the archives for previous discussions on this topic during the June/July timeframe. This might change for 7.5, but don't count on it (at least not yet).
Joe
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