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Tweak library view (#8240)

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- Move category join to improve performance
- Move bookmark calculation into query
- Move unread calculation into domain
This commit is contained in:
Andreas
2022-10-18 22:33:26 +02:00
committed by GitHub
parent 2d19729869
commit 8d97b980e3
8 changed files with 56 additions and 43 deletions
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31
app/src/main/sqldelight/migrations/22.sqm Normal file
View File

@@ -0,0 +1,31 @@
DROP VIEW libraryView;
CREATE VIEW libraryView AS
SELECT
M.*,
coalesce(C.total, 0) AS totalCount,
coalesce(C.readCount, 0) AS readCount,
coalesce(C.latestUpload, 0) AS latestUpload,
coalesce(C.fetchedAt, 0) AS chapterFetchedAt,
coalesce(C.lastRead, 0) AS lastRead,
coalesce(C.bookmarkCount, 0) AS bookmarkCount,
coalesce(MC.category_id, 0) AS category
FROM mangas M
LEFT JOIN(
SELECT
chapters.manga_id,
count(*) AS total,
sum(read) AS readCount,
coalesce(max(chapters.date_upload), 0) AS latestUpload,
coalesce(max(history.last_read), 0) AS lastRead,
coalesce(max(chapters.date_fetch), 0) AS fetchedAt,
sum(chapters.bookmark) AS bookmarkCount
FROM chapters
LEFT JOIN history
ON chapters._id = history.chapter_id
GROUP BY chapters.manga_id
) AS C
ON M._id = C.manga_id
LEFT JOIN mangas_categories AS MC
ON MC.manga_id = M._id
WHERE M.favorite = 1;

12
app/src/main/sqldelight/view/libraryView.sq
View File

@@ -1,15 +1,14 @@
CREATE VIEW libraryView AS
SELECT
M.*,
coalesce(C.total - C.readCount, 0) AS unreadCount,
coalesce(C.total, 0) AS totalCount,
coalesce(C.readCount, 0) AS readCount,
coalesce(C.latestUpload, 0) AS latestUpload,
coalesce(C.fetchedAt, 0) AS chapterFetchedAt,
coalesce(C.lastRead, 0) AS lastRead,
COALESCE(MC.category_id, 0) AS category
coalesce(C.bookmarkCount, 0) AS bookmarkCount,
coalesce(MC.category_id, 0) AS category
FROM mangas M
LEFT JOIN mangas_categories AS MC
ON MC.manga_id = M._id
LEFT JOIN(
SELECT
chapters.manga_id,
@@ -17,13 +16,16 @@ LEFT JOIN(
sum(read) AS readCount,
coalesce(max(chapters.date_upload), 0) AS latestUpload,
coalesce(max(history.last_read), 0) AS lastRead,
coalesce(max(chapters.date_fetch), 0) AS fetchedAt
coalesce(max(chapters.date_fetch), 0) AS fetchedAt,
sum(chapters.bookmark) AS bookmarkCount
FROM chapters
LEFT JOIN history
ON chapters._id = history.chapter_id
GROUP BY chapters.manga_id
) AS C
ON M._id = C.manga_id
LEFT JOIN mangas_categories AS MC
ON MC.manga_id = M._id
WHERE M.favorite = 1;
library: