fix(updates): show chapters from all sources of merged entries

The merged branch of updatesView grouped children by merge_id, collapsing
every merged source down to a single arbitrary child. Chapters from any
other source of a merged entry never appeared in Updates. Drop the GROUP BY
so all children are joined.

Author: lbrooney

data/src/main/sqldelight/tachiyomi/migrations/46.sqm

@@ -0,0 +1,63 @@
+-- Fix updatesView dropping chapters from all-but-one source of a merged entry.
+-- The merged branch grouped children by merge_id, collapsing every merged source
+-- down to a single arbitrary child, so newer chapters from other merged sources
+-- never appeared in the Updates tab. Recreate the view without the GROUP BY.
+DROP VIEW IF EXISTS updatesView;
+
+CREATE VIEW updatesView AS
+SELECT
+    mangas._id AS mangaId,
+    mangas.title AS mangaTitle,
+    chapters._id AS chapterId,
+    chapters.name AS chapterName,
+    chapters.scanlator,
+    chapters.url AS chapterUrl,
+    chapters.read,
+    chapters.bookmark,
+    chapters.last_page_read,
+    mangas.source,
+    mangas.favorite,
+    mangas.thumbnail_url AS thumbnailUrl,
+    mangas.cover_last_modified AS coverLastModified,
+    chapters.date_upload AS dateUpload,
+    chapters.date_fetch AS datefetch,
+    excluded_scanlators.scanlator AS excludedScanlator
+FROM mangas JOIN chapters
+ON mangas._id = chapters.manga_id
+LEFT JOIN excluded_scanlators
+ON mangas._id = excluded_scanlators.manga_id
+AND chapters.scanlator = excluded_scanlators.scanlator
+WHERE favorite = 1 AND source <> 6969
+AND date_fetch > date_added
+UNION
+SELECT
+    mangas._id AS mangaId,
+    mangas.title AS mangaTitle,
+    chapters._id AS chapterId,
+    chapters.name AS chapterName,
+    chapters.scanlator,
+    chapters.url AS chapterUrl,
+    chapters.read,
+    chapters.bookmark,
+    chapters.last_page_read,
+    mangas.source,
+    mangas.favorite,
+    mangas.thumbnail_url AS thumbnailUrl,
+    mangas.cover_last_modified AS coverLastModified,
+    chapters.date_upload AS dateUpload,
+    chapters.date_fetch AS datefetch,
+    excluded_scanlators.scanlator AS excludedScanlator
+FROM mangas
+LEFT JOIN (
+    SELECT merged.manga_id,merged.merge_id
+    FROM merged
+) AS ME
+ON ME.merge_id = mangas._id
+JOIN chapters
+ON ME.manga_id = chapters.manga_id
+LEFT JOIN excluded_scanlators
+ON mangas._id = excluded_scanlators.manga_id
+AND chapters.scanlator = excluded_scanlators.scanlator
+WHERE favorite = 1 AND source = 6969
+AND date_fetch > date_added
+ORDER BY datefetch DESC;

data/src/main/sqldelight/tachiyomi/view/updatesView.sq

@@ -46,7 +46,6 @@ FROM mangas
 LEFT JOIN (
     SELECT merged.manga_id,merged.merge_id
     FROM merged
-    GROUP BY merged.merge_id
 ) AS ME
 ON ME.merge_id = mangas._id
 JOIN chapters