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af_psql_trgm: add support for querying against mariadb FULLTEXT indexes

This commit is contained in:
Andrew Dolgov 2022-06-19 21:36:33 +03:00
parent 7e36f6e4c4
commit 9428e2c571
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GPG Key ID: 1A56B4FA25D4AF2A
1 changed files with 63 additions and 33 deletions
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60
plugins/af_psql_trgm/init.php
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@ -23,8 +23,6 @@ class Af_Psql_Trgm extends Plugin {
$enable_globally = checkbox_to_sql_bool($_POST["enable_globally"] ?? "");
if ($similarity < 0) $similarity = 0;
if ($similarity > 1) $similarity = 1;
if ($min_title_length < 0) $min_title_length = 0;
$similarity = sprintf("%.2f", $similarity);
@ -65,24 +63,43 @@ class Af_Psql_Trgm extends Plugin {
print "<p>$title</p>";
if (Config::get(Config::DB_TYPE) == "pgsql") {
$sth = $this->pdo->prepare("SELECT ttrss_entries.id AS id,
feed_id,
ttrss_entries.title AS title,
updated, link,
ttrss_feeds.title AS feed_title,
SIMILARITY(ttrss_entries.title, ?) AS sm
SIMILARITY(ttrss_entries.title, :title) AS sm
FROM
ttrss_entries, ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id)
WHERE
ttrss_entries.id = ref_id AND
ttrss_user_entries.owner_uid = ? AND
ttrss_entries.id != ? AND
ttrss_user_entries.owner_uid = :owner_uid AND
ttrss_entries.id != :id AND
date_entered >= NOW() - INTERVAL '2 weeks'
ORDER BY
sm DESC, date_entered DESC
LIMIT 10");
} else {
$sth = $this->pdo->prepare("SELECT ttrss_entries.id AS id,
feed_id,
ttrss_entries.title AS title,
updated, link,
ttrss_feeds.title AS feed_title,
MATCH (ttrss_entries.title) AGAINST (:title) AS sm
FROM
ttrss_entries, ttrss_user_entries LEFT JOIN ttrss_feeds ON (ttrss_feeds.id = feed_id)
WHERE
ttrss_entries.id = ref_id AND
ttrss_user_entries.owner_uid = :owner_uid AND
ttrss_entries.id != :id AND
date_entered >= DATE_SUB(NOW(), INTERVAL 2 WEEK)
ORDER BY
sm DESC, date_entered DESC
LIMIT 10");
}
$sth->execute([$title, $owner_uid, $id]);
$sth->execute(['title' => $title, "owner_uid" => $owner_uid, "id" => $id]);
print "<ul class='panel panel-scrollable'>";
@ -140,9 +157,7 @@ class Af_Psql_Trgm extends Plugin {
title="<i class='material-icons'>extension</i> <?= __('Mark similar articles as read (af_psql_trgm)') ?>">
<?php
if (Config::get(Config::DB_TYPE) != "pgsql") {
print_error("Database type not supported.");
} else {
if (Config::get(Config::DB_TYPE) == "pgsql") {
$res = $this->pdo->query("select 'similarity'::regproc");
if (!$res || !$res->fetch()) {
@ -175,7 +190,11 @@ class Af_Psql_Trgm extends Plugin {
name="similarity" value="<?= htmlspecialchars($similarity) ?>">
<div dojoType='dijit.Tooltip' connectId='psql_trgm_similarity' position='below'>
<?php if (Config::get(Config::DB_TYPE) == "pgsql") { ?>
<?= __("PostgreSQL trigram extension returns string similarity as a floating point number (0-1). Setting it too low might produce false positives, zero disables checking.") ?>
<?php } else { ?>
<?= __("Setting this value too low might produce false positives, zero disables checking.") ?>
<?php } ?>
</div>
</fieldset>
@ -264,10 +283,10 @@ class Af_Psql_Trgm extends Plugin {
function hook_article_filter($article) {
if (Config::get(Config::DB_TYPE) != "pgsql") return $article;
if (Config::get(Config::DB_TYPE) == "pgsql") {
$res = $this->pdo->query("select 'similarity'::regproc");
if (!$res || !$res->fetch()) return $article;
}
$enable_globally = $this->host->get($this, "enable_globally");
@ -317,12 +336,23 @@ class Af_Psql_Trgm extends Plugin {
return $article;
} */
$sth = $this->pdo->prepare("SELECT MAX(SIMILARITY(title, ?)) AS ms
if (Config::get(Config::DB_TYPE) == "pgsql") {
$sth = $this->pdo->prepare("SELECT MAX(SIMILARITY(title, :title)) AS ms
FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND
date_entered >= NOW() - interval '1 day' AND
guid != ? AND
owner_uid = ?");
$sth->execute([$title_escaped, $entry_guid, $owner_uid]);
guid != :guid AND
owner_uid = :uid");
} else {
$sth = $this->pdo->prepare("SELECT MATCH(title) AGAINST (:title) AS ms
FROM ttrss_entries, ttrss_user_entries WHERE ref_id = id AND
date_entered >= DATE_SUB(NOW(), INTERVAL 1 DAY) AND
guid != :guid AND
owner_uid = :uid
ORDER BY ms DESC
LIMIT 1");
}
$sth->execute(['title' => $title_escaped, 'guid' => $entry_guid, 'uid' => $owner_uid]);
$row = $sth->fetch();
$similarity_result = $row['ms'];