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query optimisations for notifications - use a specific index only

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This commit is contained in:
Mario Vavti 2018-01-28 12:09:47 +01:00
parent 423274b923
commit a86b260f73
5 changed files with 23 additions and 7 deletions
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6
Zotlabs/Module/Hq.php
View File

@ -51,9 +51,11 @@ class Hq extends \Zotlabs\Web\Controller {
$item_normal = item_normal();
$item_normal_update = item_normal_update();
$use_index = db_use_index('created');
if(! $item_hash) {
$r = q("SELECT mid FROM item
WHERE uid = %d
$r = q("SELECT mid FROM item $use_index
WHERE uid = %d $item_normal
AND mid = parent_mid
ORDER BY created DESC LIMIT 1",
intval(local_channel())

8
Zotlabs/Module/Ping.php
View File

@ -320,7 +320,9 @@ class Ping extends \Zotlabs\Web\Controller {
if(argc() > 1 && (argv(1) === 'network' || argv(1) === 'home')) {
$result = array();
$r = q("SELECT * FROM item
$use_index = db_use_index('uid_item_unseen');
$r = q("SELECT * FROM item $use_index
WHERE item_unseen = 1 and uid = %d $item_normal
AND author_xchan != '%s'
ORDER BY created DESC limit 300",
@ -492,8 +494,10 @@ class Ping extends \Zotlabs\Web\Controller {
$t3 = dba_timer();
if($vnotify & (VNOTIFY_NETWORK|VNOTIFY_CHANNEL)) {
$use_index = db_use_index('uid_item_unseen');
$r = q("SELECT id, item_wall FROM item
$r = q("SELECT id, item_wall FROM item $use_index
WHERE item_unseen = 1 and uid = %d
$item_normal
AND author_xchan != '%s'",

4
include/dba/dba_driver.php
View File

@ -321,6 +321,10 @@ function db_concat($fld, $sep) {
return \DBA::$dba->concat($fld, $sep);
}
function db_use_index($str) {
return \DBA::$dba->use_index($str);
}
/**
* @brief Execute a SQL query with printf style args.
*

9
include/dba/dba_pdo.php
View File

@ -111,6 +111,15 @@ class dba_pdo extends dba_driver {
}
}
function use_index($str) {
if($this->driver_dbtype === 'pgsql') {
return '';
}
else {
return 'USE INDEX( ' . $str . ')';
}
}
function quote_interval($txt) {
if($this->driver_dbtype === 'pgsql') {
return "'$txt'";

3
view/tpl/notifications_widget.tpl
View File

@ -52,9 +52,6 @@
e.preventDefault();
if(! page_load) {
if($(this).parent().attr('id') !== 'nav-pubs-menu')
$(this).fadeOut();
getData(b64mid, notify_id);
}