Use NOT EXISTS to improve performance

This commit is contained in:
Hypolite Petovan 2018-02-28 08:50:01 -05:00
parent f58d8f4108
commit 4d3ea08c97

View file

@ -642,24 +642,26 @@ class Profile
$classtoday = '';
$s = dba::p(
"SELECT `event`.*, `item`.`id`, `item`.`thr-parent`, `item`.`parent-uri`
"SELECT *
FROM `event`
LEFT JOIN `item`
ON `item`.`uid` = `event`.`uid`
AND `item`.`parent-uri` = `event`.`uri`
AND `item`.`verb` = ?
AND `item`.`visible`
AND NOT `item`.`deleted`
WHERE `event`.`uid` = ?
AND `event`.`type` != 'birthday'
AND `event`.`start` < ?
AND `event`.`start` >= ?
AND `item`.`id` IS NULL
AND NOT EXISTS (
SELECT `id`
FROM `item`
WHERE `item`.`uid` = `event`.`uid`
AND `item`.`parent-uri` = `event`.`uri`
AND `item`.`verb` = ?
AND `item`.`visible`
AND NOT `item`.`deleted`
)
ORDER BY `event`.`start` ASC",
ACTIVITY_ATTENDNO,
local_user(),
DateTimeFormat::utc('now + 7 days'),
DateTimeFormat::utc('now - 1 days')
DateTimeFormat::utc('now - 1 days'),
ACTIVITY_ATTENDNO
);
$r = [];