Fix Jedis dbSize and flush ops executing synchronously while in pipeline or tx

DATAREDIS-141

src/main/java/org/springframework/data/redis/connection/jedis/JedisConnection.java

@@ -349,9 +349,11 @@ public class JedisConnection implements RedisConnection {
 		try {
 			if (isQueueing()) {
 				transaction.dbSize();
+				return null;
 			}
 			if (isPipelined()) {
 				pipeline.dbSize();
+				return null;
 			}
 			return jedis.dbSize();
 		} catch (Exception ex) {
@@ -365,9 +367,11 @@ public class JedisConnection implements RedisConnection {
 		try {
 			if (isQueueing()) {
 				transaction.flushDB();
+				return;
 			}
 			if (isPipelined()) {
 				pipeline.flushDB();
+				return;
 			}
 			jedis.flushDB();
 		} catch (Exception ex) {
@@ -380,9 +384,11 @@ public class JedisConnection implements RedisConnection {
 		try {
 			if (isQueueing()) {
 				transaction.flushAll();
+				return;
 			}
 			if (isPipelined()) {
 				pipeline.flushAll();
+				return;
 			}
 			jedis.flushAll();
 		} catch (Exception ex) {

src/test/java/org/springframework/data/redis/connection/jedis/JedisConnectionPipelineIntegrationTests.java

@@ -68,14 +68,6 @@ public class JedisConnectionPipelineIntegrationTests extends
 		connection = null;
 	}
 
-	@Ignore("DATAREDIS-141 Jedis dbSize/flush ops execute synchronously while pipelining")
-	public void testDbSize() {
-	}
-
-	@Ignore("DATAREDIS-141 Jedis dbSize/flush ops execute synchronously while pipelining")
-	public void testFlushDb() {
-	}
-
 	@Ignore("DATAREDIS-143 Jedis ClassCastExceptions closing pipeline on certain ops")
 	public void testGetConfig() {
 	}