CREATE TABLE chapters(
    _id INTEGER NOT NULL PRIMARY KEY,
    manga_id INTEGER NOT NULL,
    url TEXT NOT NULL,
    name TEXT NOT NULL,
    scanlator TEXT,
    read INTEGER AS Boolean NOT NULL,
    bookmark INTEGER AS Boolean NOT NULL,
    last_page_read INTEGER NOT NULL,
    chapter_number REAL AS Float NOT NULL,
    source_order INTEGER NOT NULL,
    date_fetch INTEGER AS Long NOT NULL,
    date_upload INTEGER AS Long NOT NULL,
    FOREIGN KEY(manga_id) REFERENCES mangas (_id)
    ON DELETE CASCADE
);

CREATE INDEX chapters_manga_id_index ON chapters(manga_id);
CREATE INDEX chapters_unread_by_manga_index ON chapters(manga_id, read) WHERE read = 0;

getChapterById:
SELECT *
FROM chapters
WHERE _id = :id;

getChaptersByMangaId:
SELECT *
FROM chapters
WHERE manga_id = :mangaId;

getChapterByUrl:
SELECT *
FROM chapters
WHERE url = :chapterUrl;

removeChaptersWithIds:
DELETE FROM chapters
WHERE _id IN :chapterIds;

insert:
INSERT INTO chapters(manga_id,url,name,scanlator,read,bookmark,last_page_read,chapter_number,source_order,date_fetch,date_upload)
VALUES (:mangaId,:url,:name,:scanlator,:read,:bookmark,:lastPageRead,:chapterNumber,:sourceOrder,:dateFetch,:dateUpload);

update:
UPDATE chapters
SET manga_id = coalesce(:mangaId, manga_id),
    url = coalesce(:url, url),
    name = coalesce(:name, name),
    scanlator = coalesce(:scanlator, scanlator),
    read = coalesce(:read, read),
    bookmark = coalesce(:bookmark, bookmark),
    last_page_read = coalesce(:lastPageRead, last_page_read),
    chapter_number = coalesce(:chapterNumber, chapter_number),
    source_order = coalesce(:sourceOrder, source_order),
    date_fetch = coalesce(:dateFetch, date_fetch),
    date_upload = coalesce(:dateUpload, date_upload)
WHERE _id = :chapterId;

selectLastInsertedRowId:
SELECT last_insert_rowid();