When I look at the int4 functions (int4in, int4out, int4send, int4recv),
they are all marked "immutable". Then again, when I look at the varchar
functions, the in and out functions are immutable, but the send and
receive functions are stable.
Is there a reason for this?
This is PG 7.4 on Debian unstable, coming from the standard deb.
Lingnu Open Source Consulting ltd.
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