database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-28 23:42:10 +03:00
Code Activity

Add hash support functions and hash opclass for contrib/ltree.

Browse Source 
This also enables hash join and hash aggregation on ltree columns.

Tommy Pavlicek, reviewed by jian he

Discussion: https://postgr.es/m/CAEhP-W9ZEoHeaP_nKnPCVd_o1c3BAUvq1gWHrq8EbkNRiS9CvQ@mail.gmail.com
This commit is contained in:
Tom Lane
2024-03-21 18:27:49 -04:00
parent 0997e0af27
commit 485f0aa859
9 changed files with 221 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
doc/src/sgml/ltree.sgml
View File

@ -623,6 +623,13 @@ Europe & Russia*@ & !Transportation
<literal>&gt;=</literal>, <literal>&gt;</literal>
</para>
</listitem>
<listitem>
<para>
Hash index over <type>ltree</type>:
<literal>=</literal>
</para>
</listitem>
<listitem>
<para>
GiST index over <type>ltree</type> (<literal>gist_ltree_ops</literal>
@ -712,6 +719,7 @@ INSERT INTO test VALUES ('Top.Collections.Pictures.Astronomy.Galaxies');
INSERT INTO test VALUES ('Top.Collections.Pictures.Astronomy.Astronauts');
CREATE INDEX path_gist_idx ON test USING GIST (path);
CREATE INDEX path_idx ON test USING BTREE (path);
CREATE INDEX path_hash_idx ON test USING HASH (path);
</programlisting>
<para>