SET client_min_messages = warning; CREATE EXTENSION IF NOT EXISTS vector; SELECT ARRAY[1,2,3]::vector; SELECT ARRAY[1,2,3]::float4[]::vector; SELECT ARRAY[1,2,3]::float8[]::vector; SELECT '{NULL}'::real[]::vector; SELECT '{NaN}'::real[]::vector; SELECT '{Infinity}'::real[]::vector; SELECT '{-Infinity}'::real[]::vector; SELECT '{}'::real[]::vector; SELECT array_agg(n)::vector FROM generate_series(1, 1025) n;