From 308dafcdc4739271e42285e479f31378f289b4fd Mon Sep 17 00:00:00 2001
From: Ryan ZHAO <ryanzhaors@qq.com>
Date: Wed, 23 Sep 2020 15:25:51 +1000
Subject: [PATCH] remove the ratchet for only the group that the use left

---
 .../securesms/loki/database/SharedSenderKeysDatabase.kt        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/org/thoughtcrime/securesms/loki/database/SharedSenderKeysDatabase.kt b/src/org/thoughtcrime/securesms/loki/database/SharedSenderKeysDatabase.kt
index 15b415e8e0..548e717011 100644
--- a/src/org/thoughtcrime/securesms/loki/database/SharedSenderKeysDatabase.kt
+++ b/src/org/thoughtcrime/securesms/loki/database/SharedSenderKeysDatabase.kt
@@ -58,7 +58,8 @@ class SharedSenderKeysDatabase(context: Context, helper: SQLCipherOpenHelper) :
 
     override fun removeAllClosedGroupRatchets(groupPublicKey: String) {
         val database = databaseHelper.writableDatabase
-        database.delete(closedGroupRatchetTable, null, null)
+        val query = "${Companion.closedGroupPublicKey} = ?"
+        database.delete(closedGroupRatchetTable, query, arrayOf( groupPublicKey ))
     }
 
     override fun getAllClosedGroupSenderKeys(groupPublicKey: String): Set<ClosedGroupSenderKey> {