If <literal>errmsg</> is not <symbol>NULL</>, then <literal>*errmsg</> is set

to <symbol>NULL</> on success, else to a <function>malloc</>'d error string explaining

the problem. (It is also possible for <literal>*errmsg</> to be

set to <symbol>NULL</>even when<symbol>NULL</> is returned; this indicates an out-of-memory

situation.)

set to <symbol>NULL</>and the function to return<symbol>NULL</>;

this indicates an out-of-memory condition.)

</para>

<para>

<para>

See the entry for <function>PQconnectStartParams</>, <function>PQconnectStart</>

and <function>PQconnectPoll</> with regards to other status codes that

might beseen.

might bereturned.

</para>

</listitem>

</varlistentry>

<listitem>

<para>

Returns a string with the OID of the inserted row, if the

<acronym>SQL</acronym> command was an <command>INSERT</command>

that inserted exactly one row, or a <command>EXECUTE</command> of

a prepared statement consisting of a suitable

<command>INSERT</command>. (The string will be <literal>0</> if

the <command>INSERT</command> did not insert exactly one row, or

if the target table does not have OIDs.) If the command was not

an <command>INSERT</command>, returns an empty string.

This function is deprecated in favor of

<function>PQoidValue</function> and is not thread-safe.

It returns a string with the OID of the inserted row, while

<function>PQoidValue</function> returns the OID value.

<synopsis>

char *PQoidStatus(const PGresult *res);

</synopsis>

</para>

<para>

This function is deprecated in favor of

<function>PQoidValue</function>. It is not thread-safe.

</para>

</listitem>

</varlistentry>

</variablelist>