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Simplify more queries

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This commit is contained in:
J. King 2022-04-28 17:57:31 -04:00
parent 336207741d
commit 26e431b1a5
1 changed files with 27 additions and 17 deletions
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44
lib/Database.php
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@ -544,22 +544,27 @@ class Database {
// check to make sure the parent exists, if one is specified
$parent = $this->folderValidateId($user, $parent)['id'];
$q = new Query(
"SELECT
"WITH RECURSIVE
folders as (
select id from arsse_folders where owner = ? and coalesce(parent,0) = ? union all select arsse_folders.id from arsse_folders join folders on arsse_folders.parent=folders.id
)
select
id,
name,
arsse_folders.parent as parent,
coalesce(children,0) as children,
coalesce(feeds,0) as feeds
FROM arsse_folders
left join (SELECT parent,count(id) as children from arsse_folders group by parent) as child_stats on child_stats.parent = arsse_folders.id
left join (SELECT folder,count(id) as feeds from arsse_subscriptions group by folder) as sub_stats on sub_stats.folder = arsse_folders.id"
from arsse_folders
left join (select parent,count(id) as children from arsse_folders group by parent) as child_stats on child_stats.parent = arsse_folders.id
left join (select folder,count(id) as feeds from arsse_subscriptions group by folder) as sub_stats on sub_stats.folder = arsse_folders.id",
["str", "strict int"],
[$user, $parent]
);
if (!$recursive) {
$q->setWhere("owner = ?", "str", $user);
$q->setWhere("coalesce(arsse_folders.parent,0) = ?", "strict int", $parent);
} else {
$q->setCTE("folders", "SELECT id from arsse_folders where owner = ? and coalesce(parent,0) = ? union all select arsse_folders.id from arsse_folders join folders on arsse_folders.parent=folders.id", ["str", "strict int"], [$user, $parent]);
$q->setWhere("id in (SELECT id from folders)");
$q->setWhere("id in (select id from folders)");
}
$q->setOrder("name");
return $this->db->prepare($q->getQuery(), $q->getTypes())->run($q->getValues());
@ -694,14 +699,14 @@ class Database {
$p = $this->db->prepareArray(
"WITH RECURSIVE
target as (
SELECT ? as userid, ? as source, ? as dest, ? as new_name
select ? as userid, ? as source, ? as dest, ? as new_name
),
folders as (
SELECT id from arsse_folders join target on owner = userid and coalesce(parent,0) = source
select id from arsse_folders join target on owner = userid and coalesce(parent,0) = source
union all
select arsse_folders.id as id from arsse_folders join folders on arsse_folders.parent=folders.id
)
SELECT
select
case when
((select dest from target) is null or exists(select id from arsse_folders join target on owner = userid and coalesce(id,0) = coalesce(dest,0)))
then 1 else 0 end as extant,
@ -808,7 +813,14 @@ class Database {
// create a complex query
$integer = $this->db->sqlToken("integer");
$q = new Query(
"SELECT
"WITH RECURSIVE
topmost(f_id, top) as (
select id,id from arsse_folders where owner = ? and parent is null union all select id,top from arsse_folders join topmost on parent=f_id
),
folders(folder) as (
select ? union all select id from arsse_folders join folders on parent = folder
)
select
s.id as id,
s.feed as feed,
f.url,source,pinned,err_count,err_msg,order_type,added,keep_rule,block_rule,f.etag,s.scrape,
@ -821,7 +833,7 @@ class Database {
folder, t.top as top_folder, d.name as folder_name, dt.name as top_folder_name,
coalesce(s.title, f.title) as title,
coalesce((articles - hidden - marked), coalesce(articles,0)) as unread
FROM arsse_subscriptions as s
from arsse_subscriptions as s
join arsse_feeds as f on f.id = s.feed
left join topmost as t on t.f_id = s.folder
left join arsse_folders as d on s.folder = d.id
@ -840,21 +852,19 @@ class Database {
sum(hidden) as hidden,
sum(cast((\"read\" = 1 and hidden = 0) as $integer)) as marked
from arsse_marks group by subscription
) as mark_stats on mark_stats.subscription = s.id"
) as mark_stats on mark_stats.subscription = s.id",
["str", "int"],
[$user, $folder]
);
$q->setWhere("s.owner = ?", ["str"], [$user]);
$nocase = $this->db->sqlToken("nocase");
$q->setOrder("pinned desc, coalesce(s.title, f.title) collate $nocase");
// topmost folders belonging to the user
$q->setCTE("topmost(f_id,top)", "SELECT id,id from arsse_folders where owner = ? and parent is null union all select id,top from arsse_folders join topmost on parent=f_id", ["str"], [$user]);
if ($id) {
// if an ID is specified, add a suitable WHERE condition and bindings
// this condition facilitates the implementation of subscriptionPropertiesGet, which would otherwise have to duplicate the complex query; it takes precedence over a specified folder
$q->setWhere("s.id = ?", "int", $id);
} elseif ($folder && $recursive) {
// if a folder is specified and we're listing recursively, add a common table expression to list it and its children so that we select from the entire subtree
$q->setCTE("folders(folder)", "SELECT ? union all select id from arsse_folders join folders on parent = folder", "int", $folder);
// add a suitable WHERE condition
// if a folder is specified and we're listing recursively, add a suitable WHERE condition
$q->setWhere("folder in (select folder from folders)");
} elseif (!$recursive) {
// if we're not listing recursively, match against only the specified folder (even if it is null)