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Create an SP-GiST opclass for inet/cidr.

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This seems to offer significantly better search performance than the
existing GiST opclass for inet/cidr, at least on data with a wide mix
of network mask lengths.  (That may suggest that the data splitting
heuristics in the GiST opclass could be improved.)

Emre Hasegeli, with mostly-cosmetic adjustments by me

Discussion: <CAE2gYzxtth9qatW_OAqdOjykS0bxq7AYHLuyAQLPgT7H9ZU0Cw@mail.gmail.com>
This commit is contained in:
Tom Lane
2016-08-23 15:16:21 -04:00
parent 0fda682e54
commit 77e2906821
13 changed files with 951 additions and 3 deletions
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17
doc/src/sgml/spgist.sgml
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@ -145,6 +145,23 @@
<literal>~&gt;~</>
</entry>
</row>
<row>
<entry><literal>inet_ops</></entry>
<entry><type>inet</>, <type>cidr</></entry>
<entry>
<literal>&amp;&amp;</>
<literal>&gt;&gt;</>
<literal>&gt;&gt;=</>
<literal>&gt;</>
<literal>&gt;=</>
<literal>&lt;&gt;</>
<literal>&lt;&lt;</>
<literal>&lt;&lt;=</>
<literal>&lt;</>
<literal>&lt;=</>
<literal>=</>
</entry>
</row>
</tbody>
</tgroup>
</table>