docs: update libpq's PQputCopyData and PQputCopyEnd
authorBruce Momjian <bruce@momjian.us>
Thu, 22 Jan 2015 18:30:08 +0000 (13:30 -0500)
committerBruce Momjian <bruce@momjian.us>
Thu, 22 Jan 2015 18:30:08 +0000 (13:30 -0500)
commitb04d69161354f7cfc3d8153b67145dbebc4a4698
treeb7de793722760af2edc47868b1af6838935c95ad
parentd060e07fa919e0eb681e2fa2cfbe63d6c40eb2cf
docs:  update libpq's PQputCopyData and PQputCopyEnd

Clarify the meaning of libpq return values for PQputCopyData and
PQputCopyEnd, particularly in non-blocking mode.

Report by Robert Haas
doc/src/sgml/libpq.sgml