From aa36e7dd38d35b81d978ab94cd7a6fd3dc2d23c5 Mon Sep 17 00:00:00 2001 From: Tom Lane Date: Tue, 12 Apr 2022 18:21:04 -0400 Subject: [PATCH] Doc: tweak textsearch.sgml for SEO purposes. Google seems to like to return textsearch.html for queries about GIN and GiST indexes, even though it's not a primary reference for either. It seems likely that that's because those keywords appear in the page title. Since "GIN and GiST Index Types" is not a very apposite title for this material anyway, rename the section in hopes of stopping that. Also provide explicit links to the GIN and GiST chapters, to help anyone who finds their way to this page regardless. Per gripe from Jan Piotrowski. Back-patch to supported branches. (Unfortunately Google is likely to continue returning the 9.1 version of this page, but improving that situation is a matter for the www team.) Discussion: https://postgr.es/m/164978902252.1276550.9330175733459697101@wrigleys.postgresql.org --- doc/src/sgml/textsearch.sgml | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml index 20db7b7afe..6afaf9e62c 100644 --- a/doc/src/sgml/textsearch.sgml +++ b/doc/src/sgml/textsearch.sgml @@ -3618,7 +3618,7 @@ SELECT plainto_tsquery('supernovae stars'); - GIN and GiST Index Types + Preferred Index Types for Text Search text search @@ -3627,10 +3627,16 @@ SELECT plainto_tsquery('supernovae stars'); There are two kinds of indexes that can be used to speed up full text - searches. + searches: + GIN and + GiST. Note that indexes are not mandatory for full text searching, but in cases where a column is searched on a regular basis, an index is usually desirable. + + + + To create such an index, do one of: