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Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/ref/pgbench.sgml | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/doc/src/sgml/ref/pgbench.sgml b/doc/src/sgml/ref/pgbench.sgml index 299d93b2419..50cf22ba6ba 100644 --- a/doc/src/sgml/ref/pgbench.sgml +++ b/doc/src/sgml/ref/pgbench.sgml @@ -1111,6 +1111,12 @@ pgbench <optional> <replaceable>options</replaceable> </optional> <replaceable>d </para> <para> + <literal>\gset</literal> and <literal>\aset</literal> cannot be used in + pipeline mode, since the query results are not yet available by the time + the commands would need them. + </para> + + <para> The following example puts the final account balance from the first query into variable <replaceable>abalance</replaceable>, and fills variables <replaceable>p_two</replaceable> and <replaceable>p_three</replaceable> @@ -1270,6 +1276,22 @@ SELECT 4 AS four \; SELECT 5 AS five \aset </programlisting></para> </listitem> </varlistentry> + + <varlistentry id='pgbench-metacommand-pipeline'> + <term><literal>\startpipeline</literal></term> + <term><literal>\endpipeline</literal></term> + + <listitem> + <para> + These commands delimit the start and end of a pipeline of SQL + statements. In pipeline mode, statements are sent to the server + without waiting for the results of previous statements. See + <xref linkend="libpq-pipeline-mode"/> for more details. + Pipeline mode requires the use of extended query protocol. + </para> + </listitem> + </varlistentry> + </variablelist> </refsect2> |