diff options
| author | Vasu Nori <vnori@google.com> | 2010-10-18 12:18:52 -0700 |
|---|---|---|
| committer | Vasu Nori <vnori@google.com> | 2010-10-18 12:18:52 -0700 |
| commit | 09562b6c3a420ded0d02b9bd2290de2dbab9e304 (patch) | |
| tree | 08002b14381f5a4f9ffc0d832d95cae9a7871899 | |
| parent | 117166d023b9d9405f18cc5222b18fd16a13660c (diff) | |
| download | ContactsProvider-09562b6c3a420ded0d02b9bd2290de2dbab9e304.tar.gz | |
bug:3097939 trigger on a table without good index = slow contacts app
added index on a table without which the contacts app trigger is causing
N**2 linear scans of the contacts table. the bigger the contacts
table size (= N), the worse the prlblem is.
Change-Id: I5124b3b43d929ccaca3c4f4261c16b0ee5f02d61
| -rw-r--r-- | src/com/android/providers/contacts/ContactsDatabaseHelper.java | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/com/android/providers/contacts/ContactsDatabaseHelper.java b/src/com/android/providers/contacts/ContactsDatabaseHelper.java index 9273c5ae..8f1253ad 100644 --- a/src/com/android/providers/contacts/ContactsDatabaseHelper.java +++ b/src/com/android/providers/contacts/ContactsDatabaseHelper.java @@ -597,6 +597,8 @@ import java.util.Locale; db.execSQL("CREATE INDEX IF NOT EXISTS " + DATABASE_PRESENCE + ".presenceIndex" + " ON " + Tables.PRESENCE + " (" + PresenceColumns.RAW_CONTACT_ID + ");"); + db.execSQL("CREATE INDEX IF NOT EXISTS " + DATABASE_PRESENCE + ".presenceIndex2" + " ON " + + Tables.PRESENCE + " (" + PresenceColumns.CONTACT_ID + ");"); db.execSQL("CREATE TABLE IF NOT EXISTS " + DATABASE_PRESENCE + "." + Tables.AGGREGATED_PRESENCE + " ("+ |