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optimize purge for mysql

This commit is contained in:
Andrew Dolgov 2006-03-21 06:28:10 +01:00
parent 44e241cb44
commit 30f1746fd5
1 changed files with 10 additions and 2 deletions
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12
functions.php
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@ -33,10 +33,18 @@
$rows = pg_affected_rows($result); $rows = pg_affected_rows($result);
} else { } else {
$result = db_query($link, "DELETE FROM ttrss_user_entries WHERE /* $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
marked = false AND feed_id = '$feed_id' AND marked = false AND feed_id = '$feed_id' AND
(SELECT date_entered FROM ttrss_entries WHERE (SELECT date_entered FROM ttrss_entries WHERE
id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
$result = db_query($link, "DELETE FROM ttrss_user_entries
USING ttrss_user_entries, ttrss_entries
WHERE ttrss_entries.id = ref_id AND
marked = false AND
feed_id = '$feed_id' AND
ttrss_entries.date_entered < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
$rows = mysql_affected_rows($link); $rows = mysql_affected_rows($link);
} }