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Merge pull request #12990 from dustdfg/db_migration_kotlin

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Use "factory" method for creating db migrations
This commit is contained in:
Tobi
2026-01-08 17:23:12 -08:00
committed by GitHub
parent d36a9f01d3 0747b3a0a5
commit e61bc012d9
1 changed files with 295 additions and 311 deletions
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606
app/src/main/java/org/schabi/newpipe/database/Migrations.kt
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@@ -34,335 +34,319 @@ object Migrations {
private val TAG = Migrations::class.java.getName()
private val isDebug = MainActivity.DEBUG
val MIGRATION_1_2 = object : Migration(DB_VER_1, DB_VER_2) {
override fun migrate(db: SupportSQLiteDatabase) {
if (isDebug) {
Log.d(TAG, "Start migrating database")
}
val MIGRATION_1_2 = Migration(DB_VER_1, DB_VER_2) { db ->
if (isDebug) {
Log.d(TAG, "Start migrating database")
}
/*
* Unfortunately these queries must be hardcoded due to the possibility of
* schema and names changing at a later date, thus invalidating the older migration
* scripts if they are not hardcoded.
* */
/*
* Unfortunately these queries must be hardcoded due to the possibility of
* schema and names changing at a later date, thus invalidating the older migration
* scripts if they are not hardcoded.
* */
// Not much we can do about this, since room doesn't create tables before migration.
// It's either this or blasting the entire database anew.
// Not much we can do about this, since room doesn't create tables before migration.
// It's either this or blasting the entire database anew.
db.execSQL(
"CREATE INDEX `index_search_history_search` " +
"ON `search_history` (`search`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `streams` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`service_id` INTEGER NOT NULL, `url` TEXT, `title` TEXT, " +
"`stream_type` TEXT, `duration` INTEGER, `uploader` TEXT, " +
"`thumbnail_url` TEXT)"
)
db.execSQL(
"CREATE UNIQUE INDEX `index_streams_service_id_url` " +
"ON `streams` (`service_id`, `url`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `stream_history` " +
"(`stream_id` INTEGER NOT NULL, `access_date` INTEGER NOT NULL, " +
"`repeat_count` INTEGER NOT NULL, PRIMARY KEY(`stream_id`, `access_date`), " +
"FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE )"
)
db.execSQL(
"CREATE INDEX `index_stream_history_stream_id` " +
"ON `stream_history` (`stream_id`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `stream_state` " +
"(`stream_id` INTEGER NOT NULL, `progress_time` INTEGER NOT NULL, " +
"PRIMARY KEY(`stream_id`), FOREIGN KEY(`stream_id`) " +
"REFERENCES `streams`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE )"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlists` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`name` TEXT, `thumbnail_url` TEXT)"
)
db.execSQL("CREATE INDEX `index_playlists_name` ON `playlists` (`name`)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlist_stream_join` " +
"(`playlist_id` INTEGER NOT NULL, `stream_id` INTEGER NOT NULL, " +
"`join_index` INTEGER NOT NULL, PRIMARY KEY(`playlist_id`, `join_index`), " +
"FOREIGN KEY(`playlist_id`) REFERENCES `playlists`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL(
"CREATE UNIQUE INDEX " +
"`index_playlist_stream_join_playlist_id_join_index` " +
"ON `playlist_stream_join` (`playlist_id`, `join_index`)"
)
db.execSQL(
"CREATE INDEX `index_playlist_stream_join_stream_id` " +
"ON `playlist_stream_join` (`stream_id`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `remote_playlists` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`service_id` INTEGER NOT NULL, `name` TEXT, `url` TEXT, " +
"`thumbnail_url` TEXT, `uploader` TEXT, `stream_count` INTEGER)"
)
db.execSQL(
"CREATE INDEX `index_remote_playlists_name` " +
"ON `remote_playlists` (`name`)"
)
db.execSQL(
"CREATE UNIQUE INDEX `index_remote_playlists_service_id_url` " +
"ON `remote_playlists` (`service_id`, `url`)"
)
// Populate streams table with existing entries in watch history
// Latest data first, thus ignoring older entries with the same indices
db.execSQL(
"INSERT OR IGNORE INTO streams (service_id, url, title, " +
"stream_type, duration, uploader, thumbnail_url) " +
"SELECT service_id, url, title, 'VIDEO_STREAM', duration, " +
"uploader, thumbnail_url " +
"FROM watch_history " +
"ORDER BY creation_date DESC"
)
// Once the streams have PKs, join them with the normalized history table
// and populate it with the remaining data from watch history
db.execSQL(
"INSERT INTO stream_history (stream_id, access_date, repeat_count)" +
"SELECT uid, creation_date, 1 " +
"FROM watch_history INNER JOIN streams " +
"ON watch_history.service_id == streams.service_id " +
"AND watch_history.url == streams.url " +
"ORDER BY creation_date DESC"
)
db.execSQL("DROP TABLE IF EXISTS watch_history")
if (isDebug) {
Log.d(TAG, "Stop migrating database")
}
}
val MIGRATION_2_3 = Migration(DB_VER_2, DB_VER_3) { db ->
// Add NOT NULLs and new fields
db.execSQL(
"CREATE TABLE IF NOT EXISTS streams_new " +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"service_id INTEGER NOT NULL, url TEXT NOT NULL, title TEXT NOT NULL, " +
"stream_type TEXT NOT NULL, duration INTEGER NOT NULL, " +
"uploader TEXT NOT NULL, thumbnail_url TEXT, view_count INTEGER, " +
"textual_upload_date TEXT, upload_date INTEGER, " +
"is_upload_date_approximation INTEGER)"
)
db.execSQL(
"INSERT INTO streams_new (uid, service_id, url, title, stream_type, " +
"duration, uploader, thumbnail_url, view_count, textual_upload_date, " +
"upload_date, is_upload_date_approximation) " +
"SELECT uid, service_id, url, ifnull(title, ''), " +
"ifnull(stream_type, 'VIDEO_STREAM'), ifnull(duration, 0), " +
"ifnull(uploader, ''), ifnull(thumbnail_url, ''), NULL, NULL, NULL, NULL " +
"FROM streams WHERE url IS NOT NULL"
)
db.execSQL("DROP TABLE streams")
db.execSQL("ALTER TABLE streams_new RENAME TO streams")
db.execSQL(
"CREATE UNIQUE INDEX index_streams_service_id_url " +
"ON streams (service_id, url)"
)
// Tables for feed feature
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed " +
"(stream_id INTEGER NOT NULL, subscription_id INTEGER NOT NULL, " +
"PRIMARY KEY(stream_id, subscription_id), " +
"FOREIGN KEY(stream_id) REFERENCES streams(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL("CREATE INDEX index_feed_subscription_id ON feed (subscription_id)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_group " +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, name TEXT NOT NULL, " +
"icon_id INTEGER NOT NULL, sort_order INTEGER NOT NULL)"
)
db.execSQL("CREATE INDEX index_feed_group_sort_order ON feed_group (sort_order)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_group_subscription_join " +
"(group_id INTEGER NOT NULL, subscription_id INTEGER NOT NULL, " +
"PRIMARY KEY(group_id, subscription_id), " +
"FOREIGN KEY(group_id) REFERENCES feed_group(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL(
"CREATE INDEX index_feed_group_subscription_join_subscription_id " +
"ON feed_group_subscription_join (subscription_id)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_last_updated " +
"(subscription_id INTEGER NOT NULL, last_updated INTEGER, " +
"PRIMARY KEY(subscription_id), " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
}
val MIGRATION_3_4 = Migration(DB_VER_3, DB_VER_4) { db ->
db.execSQL("ALTER TABLE streams ADD COLUMN uploader_url TEXT")
}
val MIGRATION_4_5 = Migration(DB_VER_4, DB_VER_5) { db ->
db.execSQL(
"ALTER TABLE `subscriptions` ADD COLUMN `notification_mode` " +
"INTEGER NOT NULL DEFAULT 0"
)
}
val MIGRATION_5_6 = Migration(DB_VER_5, DB_VER_6) { db ->
db.execSQL(
"ALTER TABLE `playlists` ADD COLUMN `is_thumbnail_permanent` " +
"INTEGER NOT NULL DEFAULT 0"
)
}
val MIGRATION_6_7 = Migration(DB_VER_6, DB_VER_7) { db ->
// Create a new column thumbnail_stream_id
db.execSQL(
"ALTER TABLE `playlists` ADD COLUMN `thumbnail_stream_id` " +
"INTEGER NOT NULL DEFAULT -1"
)
// Migrate the thumbnail_url to the thumbnail_stream_id
db.execSQL(
"UPDATE playlists SET thumbnail_stream_id = (" +
" SELECT CASE WHEN COUNT(*) != 0 then stream_uid ELSE -1 END" +
" FROM (" +
" SELECT p.uid AS playlist_uid, s.uid AS stream_uid" +
" FROM playlists p" +
" LEFT JOIN playlist_stream_join ps ON p.uid = ps.playlist_id" +
" LEFT JOIN streams s ON s.uid = ps.stream_id" +
" WHERE s.thumbnail_url = p.thumbnail_url) AS temporary_table" +
" WHERE playlist_uid = playlists.uid)"
)
// Remove the thumbnail_url field in the playlist table
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlists_new`" +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"name TEXT, " +
"is_thumbnail_permanent INTEGER NOT NULL, " +
"thumbnail_stream_id INTEGER NOT NULL)"
)
db.execSQL(
"INSERT INTO playlists_new" +
" SELECT uid, name, is_thumbnail_permanent, thumbnail_stream_id " +
" FROM playlists"
)
db.execSQL("DROP TABLE playlists")
db.execSQL("ALTER TABLE playlists_new RENAME TO playlists")
db.execSQL(
"CREATE INDEX IF NOT EXISTS " +
"`index_playlists_name` ON `playlists` (`name`)"
)
}
val MIGRATION_7_8 = Migration(DB_VER_7, DB_VER_8) { db ->
db.execSQL(
"DELETE FROM search_history WHERE id NOT IN (SELECT id FROM (SELECT " +
"MIN(id) as id FROM search_history GROUP BY trim(search), service_id ) tmp)"
)
db.execSQL("UPDATE search_history SET search = trim(search)")
}
val MIGRATION_8_9 = Migration(DB_VER_8, DB_VER_9) { db ->
try {
db.beginTransaction()
// Update playlists.
// Create a temp table to initialize display_index.
db.execSQL(
"CREATE INDEX `index_search_history_search` " +
"ON `search_history` (`search`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `streams` " +
"CREATE TABLE `playlists_tmp` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`service_id` INTEGER NOT NULL, `url` TEXT, `title` TEXT, " +
"`stream_type` TEXT, `duration` INTEGER, `uploader` TEXT, " +
"`thumbnail_url` TEXT)"
"`name` TEXT, `is_thumbnail_permanent` INTEGER NOT NULL, " +
"`thumbnail_stream_id` INTEGER NOT NULL, " +
"`display_index` INTEGER NOT NULL)"
)
db.execSQL(
"CREATE UNIQUE INDEX `index_streams_service_id_url` " +
"ON `streams` (`service_id`, `url`)"
"INSERT INTO `playlists_tmp` " +
"(`uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, " +
"`display_index`) " +
"SELECT `uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, " +
"-1 " +
"FROM `playlists`"
)
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
db.execSQL("DROP TABLE `playlists`")
db.execSQL("ALTER TABLE `playlists_tmp` RENAME TO `playlists`")
// Update remote_playlists.
// Create a temp table to initialize display_index.
db.execSQL(
"CREATE TABLE IF NOT EXISTS `stream_history` " +
"(`stream_id` INTEGER NOT NULL, `access_date` INTEGER NOT NULL, " +
"`repeat_count` INTEGER NOT NULL, PRIMARY KEY(`stream_id`, `access_date`), " +
"FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE )"
)
db.execSQL(
"CREATE INDEX `index_stream_history_stream_id` " +
"ON `stream_history` (`stream_id`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `stream_state` " +
"(`stream_id` INTEGER NOT NULL, `progress_time` INTEGER NOT NULL, " +
"PRIMARY KEY(`stream_id`), FOREIGN KEY(`stream_id`) " +
"REFERENCES `streams`(`uid`) ON UPDATE CASCADE ON DELETE CASCADE )"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlists` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`name` TEXT, `thumbnail_url` TEXT)"
)
db.execSQL("CREATE INDEX `index_playlists_name` ON `playlists` (`name`)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlist_stream_join` " +
"(`playlist_id` INTEGER NOT NULL, `stream_id` INTEGER NOT NULL, " +
"`join_index` INTEGER NOT NULL, PRIMARY KEY(`playlist_id`, `join_index`), " +
"FOREIGN KEY(`playlist_id`) REFERENCES `playlists`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(`stream_id`) REFERENCES `streams`(`uid`) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL(
"CREATE UNIQUE INDEX " +
"`index_playlist_stream_join_playlist_id_join_index` " +
"ON `playlist_stream_join` (`playlist_id`, `join_index`)"
)
db.execSQL(
"CREATE INDEX `index_playlist_stream_join_stream_id` " +
"ON `playlist_stream_join` (`stream_id`)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS `remote_playlists` " +
"CREATE TABLE `remote_playlists_tmp` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`service_id` INTEGER NOT NULL, `name` TEXT, `url` TEXT, " +
"`thumbnail_url` TEXT, `uploader` TEXT, `stream_count` INTEGER)"
"`thumbnail_url` TEXT, `uploader` TEXT, " +
"`display_index` INTEGER NOT NULL," +
"`stream_count` INTEGER)"
)
db.execSQL(
"CREATE INDEX `index_remote_playlists_name` " +
"ON `remote_playlists` (`name`)"
"INSERT INTO `remote_playlists_tmp` (`uid`, `service_id`, " +
"`name`, `url`, `thumbnail_url`, `uploader`, `display_index`, " +
"`stream_count`)" +
"SELECT `uid`, `service_id`, `name`, `url`, `thumbnail_url`, `uploader`, " +
"-1, `stream_count` FROM `remote_playlists`"
)
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
db.execSQL("DROP TABLE `remote_playlists`")
db.execSQL("ALTER TABLE `remote_playlists_tmp` RENAME TO `remote_playlists`")
// Create index on the new table.
db.execSQL(
"CREATE UNIQUE INDEX `index_remote_playlists_service_id_url` " +
"ON `remote_playlists` (`service_id`, `url`)"
)
// Populate streams table with existing entries in watch history
// Latest data first, thus ignoring older entries with the same indices
db.execSQL(
"INSERT OR IGNORE INTO streams (service_id, url, title, " +
"stream_type, duration, uploader, thumbnail_url) " +
"SELECT service_id, url, title, 'VIDEO_STREAM', duration, " +
"uploader, thumbnail_url " +
"FROM watch_history " +
"ORDER BY creation_date DESC"
)
// Once the streams have PKs, join them with the normalized history table
// and populate it with the remaining data from watch history
db.execSQL(
"INSERT INTO stream_history (stream_id, access_date, repeat_count)" +
"SELECT uid, creation_date, 1 " +
"FROM watch_history INNER JOIN streams " +
"ON watch_history.service_id == streams.service_id " +
"AND watch_history.url == streams.url " +
"ORDER BY creation_date DESC"
)
db.execSQL("DROP TABLE IF EXISTS watch_history")
if (isDebug) {
Log.d(TAG, "Stop migrating database")
}
}
}
val MIGRATION_2_3 = object : Migration(DB_VER_2, DB_VER_3) {
override fun migrate(db: SupportSQLiteDatabase) {
// Add NOT NULLs and new fields
db.execSQL(
"CREATE TABLE IF NOT EXISTS streams_new " +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"service_id INTEGER NOT NULL, url TEXT NOT NULL, title TEXT NOT NULL, " +
"stream_type TEXT NOT NULL, duration INTEGER NOT NULL, " +
"uploader TEXT NOT NULL, thumbnail_url TEXT, view_count INTEGER, " +
"textual_upload_date TEXT, upload_date INTEGER, " +
"is_upload_date_approximation INTEGER)"
)
db.execSQL(
"INSERT INTO streams_new (uid, service_id, url, title, stream_type, " +
"duration, uploader, thumbnail_url, view_count, textual_upload_date, " +
"upload_date, is_upload_date_approximation) " +
"SELECT uid, service_id, url, ifnull(title, ''), " +
"ifnull(stream_type, 'VIDEO_STREAM'), ifnull(duration, 0), " +
"ifnull(uploader, ''), ifnull(thumbnail_url, ''), NULL, NULL, NULL, NULL " +
"FROM streams WHERE url IS NOT NULL"
)
db.execSQL("DROP TABLE streams")
db.execSQL("ALTER TABLE streams_new RENAME TO streams")
db.execSQL(
"CREATE UNIQUE INDEX index_streams_service_id_url " +
"ON streams (service_id, url)"
)
// Tables for feed feature
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed " +
"(stream_id INTEGER NOT NULL, subscription_id INTEGER NOT NULL, " +
"PRIMARY KEY(stream_id, subscription_id), " +
"FOREIGN KEY(stream_id) REFERENCES streams(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL("CREATE INDEX index_feed_subscription_id ON feed (subscription_id)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_group " +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, name TEXT NOT NULL, " +
"icon_id INTEGER NOT NULL, sort_order INTEGER NOT NULL)"
)
db.execSQL("CREATE INDEX index_feed_group_sort_order ON feed_group (sort_order)")
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_group_subscription_join " +
"(group_id INTEGER NOT NULL, subscription_id INTEGER NOT NULL, " +
"PRIMARY KEY(group_id, subscription_id), " +
"FOREIGN KEY(group_id) REFERENCES feed_group(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED, " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
db.execSQL(
"CREATE INDEX index_feed_group_subscription_join_subscription_id " +
"ON feed_group_subscription_join (subscription_id)"
)
db.execSQL(
"CREATE TABLE IF NOT EXISTS feed_last_updated " +
"(subscription_id INTEGER NOT NULL, last_updated INTEGER, " +
"PRIMARY KEY(subscription_id), " +
"FOREIGN KEY(subscription_id) REFERENCES subscriptions(uid) " +
"ON UPDATE CASCADE ON DELETE CASCADE DEFERRABLE INITIALLY DEFERRED)"
)
}
}
val MIGRATION_3_4 = object : Migration(DB_VER_3, DB_VER_4) {
override fun migrate(db: SupportSQLiteDatabase) {
db.execSQL("ALTER TABLE streams ADD COLUMN uploader_url TEXT")
}
}
val MIGRATION_4_5 = object : Migration(DB_VER_4, DB_VER_5) {
override fun migrate(db: SupportSQLiteDatabase) {
db.execSQL(
"ALTER TABLE `subscriptions` ADD COLUMN `notification_mode` " +
"INTEGER NOT NULL DEFAULT 0"
)
}
}
val MIGRATION_5_6 = object : Migration(DB_VER_5, DB_VER_6) {
override fun migrate(db: SupportSQLiteDatabase) {
db.execSQL(
"ALTER TABLE `playlists` ADD COLUMN `is_thumbnail_permanent` " +
"INTEGER NOT NULL DEFAULT 0"
)
}
}
val MIGRATION_6_7 = object : Migration(DB_VER_6, DB_VER_7) {
override fun migrate(db: SupportSQLiteDatabase) {
// Create a new column thumbnail_stream_id
db.execSQL(
"ALTER TABLE `playlists` ADD COLUMN `thumbnail_stream_id` " +
"INTEGER NOT NULL DEFAULT -1"
)
// Migrate the thumbnail_url to the thumbnail_stream_id
db.execSQL(
"UPDATE playlists SET thumbnail_stream_id = (" +
" SELECT CASE WHEN COUNT(*) != 0 then stream_uid ELSE -1 END" +
" FROM (" +
" SELECT p.uid AS playlist_uid, s.uid AS stream_uid" +
" FROM playlists p" +
" LEFT JOIN playlist_stream_join ps ON p.uid = ps.playlist_id" +
" LEFT JOIN streams s ON s.uid = ps.stream_id" +
" WHERE s.thumbnail_url = p.thumbnail_url) AS temporary_table" +
" WHERE playlist_uid = playlists.uid)"
)
// Remove the thumbnail_url field in the playlist table
db.execSQL(
"CREATE TABLE IF NOT EXISTS `playlists_new`" +
"(uid INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"name TEXT, " +
"is_thumbnail_permanent INTEGER NOT NULL, " +
"thumbnail_stream_id INTEGER NOT NULL)"
)
db.execSQL(
"INSERT INTO playlists_new" +
" SELECT uid, name, is_thumbnail_permanent, thumbnail_stream_id " +
" FROM playlists"
)
db.execSQL("DROP TABLE playlists")
db.execSQL("ALTER TABLE playlists_new RENAME TO playlists")
db.execSQL(
"CREATE INDEX IF NOT EXISTS " +
"`index_playlists_name` ON `playlists` (`name`)"
)
}
}
val MIGRATION_7_8 = object : Migration(DB_VER_7, DB_VER_8) {
override fun migrate(db: SupportSQLiteDatabase) {
db.execSQL(
"DELETE FROM search_history WHERE id NOT IN (SELECT id FROM (SELECT " +
"MIN(id) as id FROM search_history GROUP BY trim(search), service_id ) tmp)"
)
db.execSQL("UPDATE search_history SET search = trim(search)")
}
}
val MIGRATION_8_9 = object : Migration(DB_VER_8, DB_VER_9) {
override fun migrate(db: SupportSQLiteDatabase) {
try {
db.beginTransaction()
// Update playlists.
// Create a temp table to initialize display_index.
db.execSQL(
"CREATE TABLE `playlists_tmp` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`name` TEXT, `is_thumbnail_permanent` INTEGER NOT NULL, " +
"`thumbnail_stream_id` INTEGER NOT NULL, " +
"`display_index` INTEGER NOT NULL)"
)
db.execSQL(
"INSERT INTO `playlists_tmp` " +
"(`uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, " +
"`display_index`) " +
"SELECT `uid`, `name`, `is_thumbnail_permanent`, `thumbnail_stream_id`, " +
"-1 " +
"FROM `playlists`"
)
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
db.execSQL("DROP TABLE `playlists`")
db.execSQL("ALTER TABLE `playlists_tmp` RENAME TO `playlists`")
// Update remote_playlists.
// Create a temp table to initialize display_index.
db.execSQL(
"CREATE TABLE `remote_playlists_tmp` " +
"(`uid` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, " +
"`service_id` INTEGER NOT NULL, `name` TEXT, `url` TEXT, " +
"`thumbnail_url` TEXT, `uploader` TEXT, " +
"`display_index` INTEGER NOT NULL," +
"`stream_count` INTEGER)"
)
db.execSQL(
"INSERT INTO `remote_playlists_tmp` (`uid`, `service_id`, " +
"`name`, `url`, `thumbnail_url`, `uploader`, `display_index`, " +
"`stream_count`)" +
"SELECT `uid`, `service_id`, `name`, `url`, `thumbnail_url`, `uploader`, " +
"-1, `stream_count` FROM `remote_playlists`"
)
// Replace the old table, note that this also removes the index on the name which
// we don't need anymore.
db.execSQL("DROP TABLE `remote_playlists`")
db.execSQL("ALTER TABLE `remote_playlists_tmp` RENAME TO `remote_playlists`")
// Create index on the new table.
db.execSQL(
"CREATE UNIQUE INDEX `index_remote_playlists_service_id_url` " +
"ON `remote_playlists` (`service_id`, `url`)"
)
db.setTransactionSuccessful()
} finally {
db.endTransaction()
}
db.setTransactionSuccessful()
} finally {
db.endTransaction()
}
}
}