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Add pow(), aka power(), function to pgbench.

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Raúl Marín Rodríguez, reviewed by Fabien Coelho and Michael Paquier,
with a minor fix by me.

Discussion: http://postgr.es/m/CAM6_UM4XiA14y9HnDqu9kAAOtwMhHZxW--q_ZACZW9Hsrsf-tg@mail.gmail.com
This commit is contained in:
Robert Haas
2017-12-27 10:24:33 -08:00
parent ad337c76b6
commit 7a727c180a
5 changed files with 54 additions and 2 deletions
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7
doc/src/sgml/ref/pgbench.sgml
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@ -1069,6 +1069,13 @@ pgbench <optional> <replaceable>options</replaceable> </optional> <replaceable>d
<entry><literal>pi()</literal></entry>
<entry><literal>3.14159265358979323846</literal></entry>
</row>
<row>
<entry><literal><function>pow(<replaceable>x</replaceable>, <replaceable>y</replaceable>)</function>, <function>power(<replaceable>x</replaceable>, <replaceable>y</replaceable>)</function></literal></entry>
<entry>double</entry>
<entry>exponentiation</entry>
<entry><literal>pow(2.0, 10)</literal>, <literal>power(2.0, 10)</literal></entry>
<entry><literal>1024.0</literal></entry>
</row>
<row>
<entry><literal><function>random(<replaceable>lb</replaceable>, <replaceable>ub</replaceable>)</function></literal></entry>
<entry>integer</entry>