Implement CONFIG REWRITE

Closes #847

2 files changed, 13 insertions, 4 deletions

diff --git a/redis.c b/redis.c
index 3477e3a5..f68227fd 100644
--- a/redis.c
+++ b/redis.c
@@ -2729,8 +2729,10 @@ PHP_METHOD(Redis, config)
     if (zend_string_equals_literal_ci(op, "GET") && key != NULL) {
         cmd_len = REDIS_SPPRINTF(&cmd, "CONFIG", "SS", op, key);
         cb = redis_mbulk_reply_zipped_raw;
-    } else if (zend_string_equals_literal_ci(op, "RESETSTAT")) {
-        cmd_len = REDIS_SPPRINTF(&cmd, "CONFIG", "s", ZEND_STRL("RESETSTAT"));
+    } else if (zend_string_equals_literal_ci(op, "RESETSTAT") ||
+               zend_string_equals_literal_ci(op, "REWRITE"))
+    {
+        cmd_len = REDIS_SPPRINTF(&cmd, "CONFIG", "s", ZSTR_VAL(op), ZSTR_LEN(op));
         cb = redis_boolean_response;
     } else if (zend_string_equals_literal_ci(op, "SET") && key != NULL && val != NULL) {
         cmd_len = REDIS_SPPRINTF(&cmd, "CONFIG", "SSS", op, key, val);
@@ -2744,8 +2746,6 @@ PHP_METHOD(Redis, config)
         cb(INTERNAL_FUNCTION_PARAM_PASSTHRU, redis_sock, NULL, NULL);
     }
     REDIS_PROCESS_RESPONSE(redis_boolean_response);
-
-    return;
 }
 /* }}} */
 
diff --git a/tests/RedisTest.php b/tests/RedisTest.php
index d44b0364..4023c37b 100644
--- a/tests/RedisTest.php
+++ b/tests/RedisTest.php
@@ -5561,6 +5561,15 @@ class Redis_Test extends TestSuite
             $this->assertFalse($this->redis->config($cmd));
         }
         $this->assertFalse($this->redis->config('set', 'foo'));
+
+        /* REWRITE.  We don't care if it actually works, just that the
+           command be attempted */
+        $res = $this->redis->config('rewrite');
+        $this->assertTrue(is_bool($res));
+        if ($res == false) {
+            $this->assertPatternMatch($this->redis->getLastError(), '/.*config.*/');
+            $this->redis->clearLastError();
+        }
     }
 
     public function testReconnectSelect() {