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MySQL ANY_VALUE with fallback to MIN

Browse source 
https://github.com/friendica/friendica/issues/3322
This commit is contained in:
Alexandre Alapetite 2017-04-15 00:42:44 +02:00
parent 38e7a0f793
commit 1058b28cea
7 changed files with 42 additions and 22 deletions
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13
include/api.php
View file

@ -3099,13 +3099,14 @@ use \Friendica\Core\Config;
$scale = (x($_REQUEST, 'scale') ? intval($_REQUEST['scale']) : false);
$scale_sql = ($scale === false ? "" : sprintf("and scale=%d",intval($scale)));
$data_sql = ($scale === false ? "" : "data, ");
$data_sql = ($scale === false ? "" : "ANY_VALUE(data) AS data,");
$r = q("select %s `resource-id`, `created`, `edited`, `title`, `desc`, `album`, `filename`,
`type`, `height`, `width`, `datasize`, `profile`, min(`scale`) as minscale, max(`scale`) as maxscale
from photo where `uid` = %d and `resource-id` = '%s' %s
group by `resource-id`, `created`, `edited`, `title`, `desc`, `album`, `filename`,
`type`, `height`, `width`, `datasize`, `profile`",
$r = q("select %s ANY_VALUE(`resource-id`) AS `resource-id`, ANY_VALUE(`created`) AS `created`,
ANY_VALUE(`edited`) AS `edited`, ANY_VALUE(`title`) AS `title`, ANY_VALUE(`desc`) AS `desc`,
ANY_VALUE(`album`) AS `album`, ANY_VALUE(`filename`) AS `filename`, ANY_VALUE(`type`) AS `type`,
ANY_VALUE(`height`) AS `height`, ANY_VALUE(`width`) AS `width`, ANY_VALUE(`datasize`) AS `datasize`,
ANY_VALUE(`profile`) AS `profile`, min(`scale`) as minscale, max(`scale`) as maxscale
from photo where `uid` = %d and `resource-id` = '%s' %s",
$data_sql,
intval(local_user()),
dbesc($_REQUEST['photo_id']),

10
include/dba.php
View file

@ -504,6 +504,14 @@ function dbesc($str) {
}
}
function any_value_fallback($sql) {
//Considerations for Standard SQL, or MySQL with ONLY_FULL_GROUP_BY (default since 5.7.5).
//ANY_VALUE() is available from MySQL 5.7 https://dev.mysql.com/doc/refman/5.7/en/miscellaneous-functions.html
//A standard fallback is to use MIN(), or nothing () in old MySQL 5.6-
//TODO: Skip this line when we know we are on a platform supporting ANY_VALUE()
return str_ireplace('ANY_VALUE(', 'MIN(', $sql);
}
// Function: q($sql,$args);
// Description: execute SQL query with printf style args.
// Example: $r = q("SELECT * FROM `%s` WHERE `uid` = %d",
@ -514,6 +522,7 @@ function q($sql) {
unset($args[0]);
if ($db && $db->connected) {
$sql = any_value_fallback($sql);
$stmt = @vsprintf($sql,$args); // Disabled warnings
//logger("dba: q: $stmt", LOGGER_ALL);
if ($stmt === false)
@ -550,6 +559,7 @@ function qu($sql) {
unset($args[0]);
if ($db && $db->connected) {
$sql = any_value_fallback($sql);
$stmt = @vsprintf($sql,$args); // Disabled warnings
if ($stmt === false)
logger('dba: vsprintf error: ' . print_r(debug_backtrace(),true), LOGGER_DEBUG);

5
include/notifier.php
View file

@ -516,8 +516,9 @@ function notifier_run(&$argv, &$argc){
$r0 = Diaspora::relay_list();
}
$r1 = q("SELECT DISTINCT(`batch`), `id`, `name`,`network` FROM `contact` WHERE `network` = '%s'
AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch`, `id` ORDER BY rand()",
$r1 = q("SELECT `batch`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`name`) AS `name`, ANY_VALUE(`network`) AS `network`
FROM `contact` WHERE `network` = '%s'
AND `uid` = %d AND `rel` != %d AND NOT `blocked` AND NOT `pending` AND NOT `archive` GROUP BY `batch` ORDER BY rand()",
dbesc(NETWORK_DIASPORA),
intval($owner['uid']),
intval(CONTACT_IS_SHARING)

8
include/photos.php
View file

@ -48,20 +48,20 @@ function photo_albums($uid, $update = false) {
if (!Config::get('system', 'no_count', false)) {
/// @todo This query needs to be renewed. It is really slow
// At this time we just store the data in the cache
$albums = qu("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`
$albums = qu("SELECT COUNT(DISTINCT `resource-id`) AS `total`, `album`, ANY_VALUE(`created`) AS `created`
FROM `photo`
WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
GROUP BY `album`, `created` ORDER BY `created` DESC",
GROUP BY `album` ORDER BY `created` DESC",
intval($uid),
dbesc('Contact Photos'),
dbesc(t('Contact Photos'))
);
} else {
// This query doesn't do the count and is much faster
$albums = qu("SELECT DISTINCT(`album`), '' AS `total`
$albums = qu("SELECT DISTINCT(`album`), '' AS `total`, ANY_VALUE(`created`) AS `created`
FROM `photo`
WHERE `uid` = %d AND `album` != '%s' AND `album` != '%s' $sql_extra
GROUP BY `album`, `created` ORDER BY `created` DESC",
GROUP BY `album` ORDER BY `created` DESC",
intval($uid),
dbesc('Contact Photos'),
dbesc(t('Contact Photos'))

16
mod/message.php
View file

@ -349,8 +349,8 @@ function message_content(App $a) {
$o .= $header;
$r = q("SELECT count(*) AS `total` FROM `mail`
WHERE `mail`.`uid` = %d GROUP BY `parent-uri`, `created` ORDER BY `created` DESC",
$r = q("SELECT count(*) AS `total` FROM `mail`, ANY_VALUE(`created`) AS `created`
WHERE `mail`.`uid` = %d GROUP BY `parent-uri` ORDER BY `created` DESC",
intval(local_user())
);
@ -528,12 +528,16 @@ function message_content(App $a) {
}
function get_messages($user, $lstart, $lend) {
//TODO: rewritte with a sub-query to get the first message of each private thread with certainty
return q("SELECT max(`mail`.`created`) AS `mailcreated`, min(`mail`.`seen`) AS `mailseen`,
`mail`.* , `contact`.`name`, `contact`.`url`, `contact`.`thumb` , `contact`.`network`,
count( * ) as count
ANY_VALUE(`mail`.`id`), ANY_VALUE(`mail`.`uid`), ANY_VALUE(`mail`.`guid`), ANY_VALUE(`mail`.`from-name`),
ANY_VALUE(`mail`.`from-photo`), ANY_VALUE(`mail`.`from-url`), ANY_VALUE(`mail`.`contact-id`),
ANY_VALUE(`mail`.`convid`), ANY_VALUE(`mail`.`title`), ANY_VALUE(`mail`.`body`), ANY_VALUE(`mail`.`seen`),
ANY_VALUE(`mail`.`reply`), ANY_VALUE(`mail`.`replied`), ANY_VALUE(`mail`.`unknown`),
ANY_VALUE(`mail`.`uri`), ANY_VALUE(`mail`.`parent-uri`), ANY_VALUE(`mail`.`created`),
ANY_VALUE(`contact`.`name`), ANY_VALUE(`contact`.`url`), ANY_VALUE(`contact`.`thumb`), ANY_VALUE(`contact`.`network`),
FROM `mail` LEFT JOIN `contact` ON `mail`.`contact-id` = `contact`.`id`
WHERE `mail`.`uid` = %d GROUP BY `parent-uri`, `mail`.id ORDER BY `mailcreated` DESC LIMIT %d , %d ",
WHERE `mail`.`uid` = %d GROUP BY `parent-uri` ORDER BY `mailcreated` DESC LIMIT %d , %d ",
intval($user), intval($lstart), intval($lend)
);
}

6
mod/photos.php
View file

@ -1240,8 +1240,10 @@ function photos_content(App $a) {
$order = 'DESC';
}
$r = q("SELECT `resource-id`, `id`, `filename`, type, max(`scale`) AS `scale`, `desc` FROM `photo` WHERE `uid` = %d AND `album` = '%s'
AND `scale` <= 4 $sql_extra GROUP BY `resource-id`, `id` ORDER BY `created` $order LIMIT %d , %d",
$r = q("SELECT `resource-id`, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`filename`) AS `filename`,
ANY_VALUE(`type`) AS `type`, max(`scale`) AS `scale`, ANY_VALUE(`desc`) as `desc`
FROM `photo` WHERE `uid` = %d AND `album` = '%s'
AND `scale` <= 4 $sql_extra GROUP BY `resource-id` ORDER BY `created` $order LIMIT %d , %d",
intval($owner_uid),
dbesc($album),
intval($a->pager['start']),

6
mod/videos.php
View file

@ -356,9 +356,11 @@ function videos_content(App $a) {
$a->set_pager_itemspage(20);
}
$r = q("SELECT hash, `id`, `filename`, filetype FROM `attach`
$r = q("SELECT hash, ANY_VALUE(`id`) AS `id`, ANY_VALUE(`created`) AS `created`,
ANY_VALUE(`filename`) AS `filename`, ANY_VALUE(`filetype`) as `filetype`
FROM `attach`
WHERE `uid` = %d AND filetype LIKE '%%video%%'
$sql_extra GROUP BY hash, `id` ORDER BY `created` DESC LIMIT %d , %d",
$sql_extra GROUP BY hash ORDER BY `created` DESC LIMIT %d , %d",
intval($a->data['user']['uid']),
intval($a->pager['start']),
intval($a->pager['itemspage'])