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PostgreSQL: support for full text searching (notice and people)

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darcs-hash:20080914201744-f6e2c-71b2a3aec4c0b91557465323d79645e7eab2bfd1.gz
This commit is contained in:
CiaranG 2008-09-14 16:17:44 -04:00
parent b13233fed4
commit 3632a76773
4 changed files with 28 additions and 8 deletions
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7
actions/noticesearch.php
View File

@ -40,7 +40,12 @@ class NoticesearchAction extends SearchAction {
# lcase it for comparison
$q = strtolower($q);
$notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
if(common_config('db','type')=='mysql') {
$notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
} else {
$notice->whereAdd('to_tsvector(\'english\', content) @@ plainto_tsquery(\''.addslashes($q).'\')');
}
# Ask for an extra to see if there's more.

8
actions/noticesearchrss.php
View File

@ -39,7 +39,11 @@ class NoticesearchrssAction extends Rss10Action {
# lcase it for comparison
$q = strtolower($q);
$notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
if(common_config('db','type')=='mysql') {
$notice->whereAdd('MATCH(content) against (\''.addslashes($q).'\')');
} else {
$notice->whereAdd('to_tsvector(\'english\',content) @@ plainto_tsquery(\''.addslashes($q).'\')');
}
$notice->orderBy('created DESC, notice.id DESC');
# Ask for an extra to see if there's more.
@ -70,4 +74,4 @@ class NoticesearchrssAction extends Rss10Action {
function get_image() {
return NULL;
}
}
}

7
actions/peoplesearch.php
View File

@ -39,8 +39,13 @@ class PeoplesearchAction extends SearchAction {
# lcase it for comparison
$q = strtolower($q);
$profile->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
if(common_config('db','type')=='mysql') {
$profile->whereAdd('MATCH(nickname, fullname, location, bio, homepage) ' .
'against (\''.addslashes($q).'\')');
} else {
$profile->whereAdd('textsearch @@ plainto_tsquery(\''.addslashes($q).'\')');
}
# Ask for an extra to see if there's more.

14
db/laconica_pg.sql
View File

@ -9,14 +9,12 @@ create table profile (
bio varchar(140) /* comment 'descriptive biography' */,
location varchar(255) /* comment 'physical location' */,
created timestamp not null /* comment 'date this record was created' */,
modified timestamp /* comment 'date this record was modified' */
modified timestamp /* comment 'date this record was modified' */,
/* FULLTEXT(nickname, fullname, location, bio, homepage) */
textsearch tsvector
);
create index profile_nickname_idx on profile using btree(nickname);
create table avatar (
profile_id integer not null /* comment 'foreign key to profile table' */ references profile (id) ,
original integer default 0 /* comment 'uploaded by user or generated?' */,
@ -289,3 +287,11 @@ create table foreign_subscription (
);
create index foreign_subscription_subscriber_idx on foreign_subscription using btree(subscriber);
create index foreign_subscription_subscribed_idx on foreign_subscription using btree(subscribed);
/* Textsearch stuff */
create index textsearch_idx on profile using gist(textsearch);
create index noticecontent_idx on notice using gist(to_tsvector('english',content));
create trigger textsearchupdate before insert or update on profile for each row
execute procedure tsvector_update_trigger(textsearch, 'pg_catalog.english', nickname, fullname, location, bio, homepage);