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Minor editorializing.

This commit is contained in:
Tom Lane 2003-05-06 23:10:04 +00:00
parent 755d191700
commit efa58e105d
1 changed files with 12 additions and 9 deletions
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doc/src/sgml/protocol.sgml
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@ -1,4 +1,4 @@
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/protocol.sgml,v 1.35 2003/05/06 21:51:41 tgl Exp $ -->
<!-- $Header: /cvsroot/pgsql/doc/src/sgml/protocol.sgml,v 1.36 2003/05/06 23:10:04 tgl Exp $ -->
<chapter id="protocol">
<title>Frontend/Backend Protocol</title>
@ -160,10 +160,11 @@
(but note that these exist only within a session, and are never shared
across sessions). Existing prepared statements and portals are
referenced by names assigned when they were created. In addition,
an <quote>unnamed</> prepared statement and portal exist, for use with
queries that are to be executed and forgotten. This is slightly
more efficient than using named objects, since the backend knows that
it need not save the object's state for re-use.
an <quote>unnamed</> prepared statement and portal exist. Although these
behave largely the same as named objects, operations on them are optimized
for the case of executing a query only once and then discarding it,
whereas operations on named objects are optimized on the expectation
of multiple uses.
</para>
</sect2>
</sect1>
@ -869,7 +870,8 @@
zero or more CopyData messages (always one per row), followed by CopyDone.
The backend then reverts to the command-processing mode it was
in before the <command>COPY</> started, and sends CommandComplete.
The frontend cannot abort the transfer (short of closing the connection),
The frontend cannot abort the transfer (except by closing the connection
or issuing a Cancel request),
but it can discard unwanted CopyData and CopyDone messages.
</para>
@ -2013,9 +2015,10 @@ CommandComplete (B)
<literal>INSERT <replaceable>oid</replaceable>
<replaceable>rows</replaceable></literal>, where
<replaceable>rows</replaceable> is the number of rows
inserted, and <replaceable>oid</replaceable> is the object ID
of the inserted row if <Replaceable>rows</Replaceable> is 1,
otherwise <Replaceable>oid</Replaceable> is 0.
inserted. <replaceable>oid</replaceable> is the object ID
of the inserted row if <Replaceable>rows</Replaceable> is 1
and the target table has OIDs;
otherwise <Replaceable>oid</Replaceable> is 0.
</Para>
<Para>