Silke Trissl <trissl(at)informatik(dot)hu-berlin(dot)de> writes:
> I have a problem with arrays in Postgres. I want to create a really
> large array, lets say 3 billion characters long.
Forget it --- quite aside from indexing inefficiencies, the max size of
an array (or any other single field) is just 1Gb. Don't try to use
arrays to replace tables.
regards, tom lane