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Teach PQcmdTuples() that a COPY command tag might contain a row count,

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and tighten up its sanity checking of the tag as a safety measure.
Volkan Yazici.
This commit is contained in:
Tom Lane
2006-03-03 20:57:32 +00:00
parent 502e9aefdc
commit 523adeb111
2 changed files with 32 additions and 24 deletions
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11
doc/src/sgml/libpq.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.204 2006/03/01 00:23:21 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/libpq.sgml,v 1.205 2006/03/03 20:57:32 tgl Exp $
-->
<chapter id="libpq">
@ -2127,12 +2127,13 @@ char *PQcmdTuples(PGresult *res);
affected by the <acronym>SQL</> statement that generated the
<structname>PGresult</>. This function can only be used
following the execution of an <command>INSERT</>,
<command>UPDATE</>, <command>DELETE</>, <command>MOVE</>, or
<command>FETCH</> statement, or an <command>EXECUTE</> of a
prepared query that contains a <command>INSERT</>,
<command>UPDATE</>, <command>DELETE</>, <command>MOVE</>,
<command>FETCH</>, or <command>COPY</> statement,
or an <command>EXECUTE</> of a
prepared query that contains an <command>INSERT</>,
<command>UPDATE</>, or <command>DELETE</> statement. If the
command that generated the <structname>PGresult</> was
anything else, <function>PQcmdTuples</> returns the empty
anything else, <function>PQcmdTuples</> returns an empty
string. The caller should not free the return value
directly. It will be freed when the associated
<structname>PGresult</> handle is passed to