263 lines
6.4 KiB
PHP
263 lines
6.4 KiB
PHP
<?
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require_once 'config.php';
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define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
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function purge_old_posts() {
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if (PURGE_OLD_DAYS) {
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$result = pg_query("DELETE FROM ttrss_entries WHERE
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date_entered < NOW() - INTERVAL '30 days'");
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}
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}
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function update_all_feeds($link, $fetch) {
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if (WEB_DEMO_MODE) return;
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pg_query("BEGIN");
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if (!$fetch) {
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$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds WHERE
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last_updated is null OR title = '' OR
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EXTRACT(EPOCH FROM NOW()) - EXTRACT(EPOCH FROM last_updated) > " .
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MIN_UPDATE_TIME);
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} else {
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$result = pg_query($link, "SELECT feed_url,id FROM ttrss_feeds");
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}
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while ($line = pg_fetch_assoc($result)) {
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update_rss_feed($link, $line["feed_url"], $line["id"]);
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}
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purge_old_posts();
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pg_query("COMMIT");
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}
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function check_feed_favicon($feed_url, $feed) {
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$feed_url = str_replace("http://", "", $feed_url);
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$feed_url = preg_replace("/\/.*$/", "", $feed_url);
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$icon_url = "http://$feed_url/favicon.ico";
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$icon_file = ICONS_DIR . "/$feed.ico";
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if (!file_exists($icon_file)) {
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error_reporting(0);
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$r = fopen($icon_url, "r");
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error_reporting (E_ERROR | E_WARNING | E_PARSE);
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if ($r) {
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$tmpfname = tempnam("/tmp", "ttrssicon");
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$t = fopen($tmpfname, "w");
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while (!feof($r)) {
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$buf = fread($r, 16384);
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fwrite($t, $buf);
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}
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fclose($r);
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fclose($t);
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error_reporting(0);
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if (!rename($tmpfname, $icon_file)) {
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unlink($tmpfname);
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}
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error_reporting (E_ERROR | E_WARNING | E_PARSE);
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}
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}
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}
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function update_rss_feed($link, $feed_url, $feed) {
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if (WEB_DEMO_MODE) return;
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error_reporting(0);
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$rss = fetch_rss($feed_url);
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error_reporting (E_ERROR | E_WARNING | E_PARSE);
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pg_query("BEGIN");
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$feed = pg_escape_string($feed);
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if ($rss) {
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if (ENABLE_FEED_ICONS) {
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check_feed_favicon($feed_url, $feed);
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}
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$result = pg_query("SELECT title,icon_url FROM ttrss_feeds WHERE id = '$feed'");
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$registered_title = pg_fetch_result($result, 0, "title");
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$orig_icon_url = pg_fetch_result($result, 0, "icon_url");
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if (!$registered_title) {
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$feed_title = $rss->channel["title"];
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pg_query("UPDATE ttrss_feeds SET title = '$feed_title' WHERE id = '$feed'");
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}
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// print "I: " . $rss->channel["image"]["url"];
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$icon_url = $rss->image["url"];
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if ($icon_url && !$orig_icon_url) {
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$icon_url = pg_escape_string($icon_url);
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pg_query("UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
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}
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foreach ($rss->items as $item) {
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$entry_guid = $item["id"];
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if (!$entry_guid) $entry_guid = $item["guid"];
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if (!$entry_guid) $entry_guid = $item["link"];
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if (!$entry_guid) continue;
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$entry_timestamp = "";
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$rss_2_date = $item['pubdate'];
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$rss_1_date = $item['dc']['date'];
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$atom_date = $item['issued'];
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if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
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if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
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if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
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if ($entry_timestamp == "") {
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$entry_timestamp = time();
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$no_orig_date = 'true';
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} else {
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$no_orig_date = 'false';
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}
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$entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
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$entry_title = $item["title"];
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$entry_link = $item["link"];
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if (!$entry_title) continue;
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if (!$entry_link) continue;
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$entry_content = $item["description"];
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if (!$entry_content) $entry_content = $item["content:escaped"];
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if (!$entry_content) $entry_content = $item["content"];
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// if (!$entry_content) continue;
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$content_hash = "SHA1:" . sha1(strip_tags($entry_content));
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$entry_comments = $item["comments"];
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$result = pg_query($link, "
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SELECT
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id,last_read,no_orig_date,title,feed_id,content_hash,
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EXTRACT(EPOCH FROM updated) as updated_timestamp
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FROM
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ttrss_entries
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WHERE
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guid = '$entry_guid'");
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if (pg_num_rows($result) == 0) {
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$entry_guid = pg_escape_string($entry_guid);
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$entry_content = pg_escape_string($entry_content);
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$entry_title = pg_escape_string($entry_title);
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$entry_link = pg_escape_string($entry_link);
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$entry_comments = pg_escape_string($entry_comments);
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$query = "INSERT
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INTO ttrss_entries
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(title,
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guid,
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link,
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updated,
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content,
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content_hash,
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feed_id,
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comments,
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no_orig_date)
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VALUES
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('$entry_title',
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'$entry_guid',
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'$entry_link',
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'$entry_timestamp_fmt',
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'$entry_content',
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'$content_hash',
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'$feed',
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'$entry_comments',
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$no_orig_date)";
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$result = pg_query($link, $query);
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} else {
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$orig_entry_id = pg_fetch_result($result, 0, "id");
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$orig_feed_id = pg_fetch_result($result, 0, "feed_id");
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if ($orig_feed_id != $feed) {
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// print "<p>Update from different feed ($orig_feed_id, $feed): $entry_guid [$entry_title]";
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continue;
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}
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$orig_timestamp = pg_fetch_result($result, 0, "updated_timestamp");
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$orig_content_hash = pg_fetch_result($result, 0, "content_hash");
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$orig_last_read = pg_fetch_result($result, 0, "last_read");
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$orig_no_orig_date = pg_fetch_result($result, 0, "no_orig_date");
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$orig_title = pg_fetch_result($result, 0, "title");
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$last_read_qpart = "";
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// if ("$orig_title" != "$entry_title") {
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// $last_read_qpart = 'last_read = null,';
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// }
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if (UPDATE_POST_ON_CHECKSUM_CHANGE &&
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$orig_content_hash != $content_hash) {
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$last_read_qpart = 'last_read = null,';
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}
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// if (!$no_orig_date && $orig_timestamp < $entry_timestamp) {
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// $last_read_qpart = 'last_read = null,';
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// }
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$entry_comments = pg_escape_string($entry_comments);
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$entry_content = pg_escape_string($entry_content);
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$entry_title = pg_escape_string($entry_title);
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$entry_link = pg_escape_string($entry_link);
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$query = "UPDATE ttrss_entries
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SET
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$last_read_qpart
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title = '$entry_title',
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link = '$entry_link',
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updated = '$entry_timestamp_fmt',
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content = '$entry_content',
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comments = '$entry_comments',
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content_hash = '$content_hash'
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WHERE
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id = '$orig_entry_id'";
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$result = pg_query($link, $query);
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}
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}
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if ($result) {
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$result = pg_query($link, "UPDATE ttrss_feeds SET last_updated = NOW()");
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}
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}
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pg_query("COMMIT");
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}
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?>
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