From ce885f1c31a60eafe61969513280ad587fde6eca Mon Sep 17 00:00:00 2001
From: Anthony Minessale <anthm@freeswitch.org>
Date: Tue, 20 Nov 2012 13:45:32 -0600
Subject: [PATCH] fix occasional empty transaction

---
 src/switch_core_sqldb.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/switch_core_sqldb.c b/src/switch_core_sqldb.c
index 5df382efab..f396d18f2b 100644
--- a/src/switch_core_sqldb.c
+++ b/src/switch_core_sqldb.c
@@ -1670,7 +1670,7 @@ static void *SWITCH_THREAD_FUNC switch_user_sql_thread(switch_thread_t *thread,
 
 	while (qm->thread_running == 1) {
 		uint32_t i, lc;
-		uint32_t written, iterations = 0;
+		uint32_t written = 0, iterations = 0;
 
 		if (sql_manager.paused) {
 			for (i = 0; i < qm->numq; i++) {
@@ -1680,7 +1680,10 @@ static void *SWITCH_THREAD_FUNC switch_user_sql_thread(switch_thread_t *thread,
 		}
 
 		do {
-			written = do_trans(qm);
+			if (!qm_ttl(qm)) {
+				goto check;
+			}
+			written = do_trans(qm);			
 			iterations += written;
 		} while(written == qm->max_trans);