Thread: pgsql: COPY's test for read-only transaction was backward; it prohibited

Log Message:
-----------
COPY's test for read-only transaction was backward; it prohibited COPY TO
where it should prohibit COPY FROM.  Found by Alon Goldshuv.

Modified Files:
--------------
    pgsql/doc/src/sgml:
        release.sgml (r1.387 -> r1.388)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/doc/src/sgml/release.sgml.diff?r1=1.387&r2=1.388)
    pgsql/src/backend/commands:
        copy.c (r1.251 -> r1.252)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/commands/copy.c.diff?r1=1.251&r2=1.252)