Improvement on processlist:

- table is populated only if command includes "stats_mysql_processlist"
- new command state "Delay"

lib/MySQL_Thread.cpp

@@ -1178,6 +1178,8 @@ void MySQL_Thread::run() {
 		rc=poll(mypolls.fds,mypolls.len, ( mypolls.poll_timeout ? ( mypolls.poll_timeout/1000 < (unsigned int) mysql_thread___poll_timeout ? mypolls.poll_timeout/1000 : mysql_thread___poll_timeout ) : mysql_thread___poll_timeout ) );
 		proxy_debug(PROXY_DEBUG_NET,5,"%s\n", "Returning poll");
 
+		curtime=monotonic_time();
+
 		spin_wrlock(&thread_mutex);
 		mypolls.poll_timeout=0; // always reset this to 0 . If a session needs a specific timeout, it will set this one
 		
@@ -1646,7 +1648,11 @@ SQLite3_result * MySQL_Threads_Handler::SQL3_Processlist() {
 						pta[7]=strdup("Connect");
 						break;
 					case PROCESSING_QUERY:
-						pta[7]=strdup("Query");
+						if (sess->pause_until > sess->thread->curtime) {
+							pta[7]=strdup("Delay");
+						} else {
+							pta[7]=strdup("Query");
+						}
 						break;
 					case WAITING_CLIENT_DATA:
 						pta[7]=strdup("Sleep");

lib/ProxySQL_Admin.cpp

@@ -820,11 +820,6 @@ void admin_session_handler(MySQL_Session *sess, ProxySQL_Admin *pa, PtrSize_t *p
 	//fprintf(stderr,"%s----\n",query_no_space);
 
 
-	pthread_mutex_lock(&admin_mutex);
-	ProxySQL_Admin *SPA=(ProxySQL_Admin *)pa;
-	SPA->stats___mysql_processlist();
-	pthread_mutex_unlock(&admin_mutex);
-
 	if (sess->stats==false) {
 		if ((query_no_space_length>8) && (!strncasecmp("PROXYSQL ", query_no_space, 8))) { 
 			proxy_debug(PROXY_DEBUG_ADMIN, 4, "Received PROXYSQL command\n");
@@ -836,6 +831,15 @@ void admin_session_handler(MySQL_Session *sess, ProxySQL_Admin *pa, PtrSize_t *p
 			run_query=admin_handler_command_load_or_save(query_no_space, query_no_space_length, sess, pa, &query, &query_length);	
 			goto __run_query;
 		}
+
+
+		if (strstr(query_no_space,"stats_mysql_processlist")) {
+			pthread_mutex_lock(&admin_mutex);
+			ProxySQL_Admin *SPA=(ProxySQL_Admin *)pa;
+			SPA->stats___mysql_processlist();
+			pthread_mutex_unlock(&admin_mutex);
+			goto __run_query;
+		}
 	}
 
 	// FIXME: this should be removed, it is just a POC for issue #253 . What is important is the call to GloMTH->signal_all_threads();