diff options
Diffstat (limited to 'doc/src')
| -rw-r--r-- | doc/src/sgml/pgbench.sgml | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/doc/src/sgml/pgbench.sgml b/doc/src/sgml/pgbench.sgml index 7d203cda84c..16b82a3bbe0 100644 --- a/doc/src/sgml/pgbench.sgml +++ b/doc/src/sgml/pgbench.sgml @@ -751,22 +751,25 @@ pgbench <optional> <replaceable>options</> </optional> <replaceable>dbname</> <variablelist> <varlistentry> <term> - <literal>\set <replaceable>varname</> <replaceable>operand1</> [ <replaceable>operator</> <replaceable>operand2</> ]</literal> + <literal>\set <replaceable>varname</> <replaceable>expression</> </term> <listitem> <para> - Sets variable <replaceable>varname</> to a calculated integer value. - Each <replaceable>operand</> is either an integer constant or a - <literal>:</><replaceable>variablename</> reference to a variable - having an integer value. The <replaceable>operator</> can be - <literal>+</>, <literal>-</>, <literal>*</>, or <literal>/</>. + Sets variable <replaceable>varname</> to an integer value calculated + from <replaceable>expression</>. + The expression may contain integer constants such as <literal>5432</>, + references to variables <literal>:</><replaceable>variablename</>, + and expressions composed of unary (<literal>-</>) or binary operators + (<literal>+</>, <literal>-</>, <literal>*</>, <literal>/</>, <literal>%</>) + with their usual associativity, and parentheses. </para> <para> - Example: + Examples: <programlisting> \set ntellers 10 * :scale +\set aid (1021 * :aid) % (100000 * :scale) + 1 </programlisting></para> </listitem> </varlistentry> |