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Code Issues Releases Wiki Activity

Add database indices for thread columns in 'messages' table

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cketti 2012-10-24 01:03:59 +02:00
parent 3bef05b55d
commit 1fcce6fb8a
1 changed files with 25 additions and 2 deletions
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27
src/com/fsck/k9/mail/store/LocalStore.java
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@ -102,7 +102,7 @@ public class LocalStore extends Store implements Serializable {
static private String GET_FOLDER_COLS = "id, name, unread_count, visible_limit, last_updated, status, push_state, last_pushed, flagged_count, integrate, top_group, poll_class, push_class, display_class";
protected static final int DB_VERSION = 44;
protected static final int DB_VERSION = 45;
protected String uUid = null;
@ -204,7 +204,14 @@ public class LocalStore extends Store implements Serializable {
db.execSQL("DROP INDEX IF EXISTS msg_folder_id_date");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_folder_id_deleted_date ON messages (folder_id,deleted,internal_date)");
//TODO: add indices for the thread columns
db.execSQL("DROP INDEX IF EXISTS msg_empty");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_empty ON messages (empty)");
db.execSQL("DROP INDEX IF EXISTS msg_thread_root");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_thread_root ON messages (thread_root)");
db.execSQL("DROP INDEX IF EXISTS msg_thread_parent");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_thread_parent ON messages (thread_parent)");
db.execSQL("DROP TABLE IF EXISTS attachments");
db.execSQL("CREATE TABLE attachments (id INTEGER PRIMARY KEY, message_id INTEGER,"
@ -403,6 +410,22 @@ public class LocalStore extends Store implements Serializable {
}
}
}
if (db.getVersion() < 45) {
try {
db.execSQL("DROP INDEX IF EXISTS msg_empty");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_empty ON messages (empty)");
db.execSQL("DROP INDEX IF EXISTS msg_thread_root");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_thread_root ON messages (thread_root)");
db.execSQL("DROP INDEX IF EXISTS msg_thread_parent");
db.execSQL("CREATE INDEX IF NOT EXISTS msg_thread_parent ON messages (thread_parent)");
} catch (SQLiteException e) {
if (! e.getMessage().startsWith("duplicate column name:")) {
throw e;
}
}
}
}
} catch (SQLiteException e) {
Log.e(K9.LOG_TAG, "Exception while upgrading database. Resetting the DB to v0");