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Optimize library query

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This commit is contained in:
inorichi 2018-11-09 11:59:17 +01:00
parent 8b67255186
commit 36aabf23e1
3 changed files with 15 additions and 4 deletions
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10
app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenHelper.kt
View file

@ -17,7 +17,7 @@ class DbOpenHelper(context: Context)
/**
* Version of the database.
*/
const val DATABASE_VERSION = 7
const val DATABASE_VERSION = 8
}
override fun onCreate(db: SQLiteDatabase) = with(db) {
@ -30,8 +30,9 @@ class DbOpenHelper(context: Context)
// DB indexes
execSQL(MangaTable.createUrlIndexQuery)
execSQL(MangaTable.createFavoriteIndexQuery)
execSQL(MangaTable.createLibraryIndexQuery)
execSQL(ChapterTable.createMangaIdIndexQuery)
execSQL(ChapterTable.createUnreadChaptersIndexQuery)
execSQL(HistoryTable.createChapterIdIndexQuery)
}
@ -60,6 +61,11 @@ class DbOpenHelper(context: Context)
if (oldVersion < 7) {
db.execSQL(TrackTable.addLibraryId)
}
if (oldVersion < 8) {
db.execSQL("DROP INDEX IF EXISTS mangas_favorite_index")
db.execSQL(MangaTable.createLibraryIndexQuery)
db.execSQL(ChapterTable.createUnreadChaptersIndexQuery)
}
}
override fun onConfigure(db: SQLiteDatabase) {

4
app/src/main/java/eu/kanade/tachiyomi/data/database/tables/ChapterTable.kt
View file

@ -49,6 +49,10 @@ object ChapterTable {
val createMangaIdIndexQuery: String
get() = "CREATE INDEX ${TABLE}_${COL_MANGA_ID}_index ON $TABLE($COL_MANGA_ID)"
val createUnreadChaptersIndexQuery: String
get() = "CREATE INDEX ${TABLE}_unread_by_manga_index ON $TABLE($COL_MANGA_ID, $COL_READ) " +
"WHERE $COL_READ = 0"
val sourceOrderUpdateQuery: String
get() = "ALTER TABLE $TABLE ADD COLUMN $COL_SOURCE_ORDER INTEGER DEFAULT 0"

5
app/src/main/java/eu/kanade/tachiyomi/data/database/tables/MangaTable.kt
View file

@ -60,6 +60,7 @@ object MangaTable {
val createUrlIndexQuery: String
get() = "CREATE INDEX ${TABLE}_${COL_URL}_index ON $TABLE($COL_URL)"
val createFavoriteIndexQuery: String
get() = "CREATE INDEX ${TABLE}_${COL_FAVORITE}_index ON $TABLE($COL_FAVORITE)"
val createLibraryIndexQuery: String
get() = "CREATE INDEX library_${COL_FAVORITE}_index ON $TABLE($COL_FAVORITE) " +
"WHERE $COL_FAVORITE = 1"
}