WL #562: Change format of slow log in 4.1

sql/log.cc

@@ -1564,7 +1564,7 @@ bool MYSQL_LOG::write(THD *thd,const char *query, uint query_length,
       VOID(pthread_mutex_unlock(&LOCK_log));
       return 0;
     }
-    if ((specialflag & SPECIAL_LONG_LOG_FORMAT) || query_start_arg)
+    if (!(specialflag & SPECIAL_SHORT_LOG_FORMAT) || query_start_arg)
     {
       current_time=time(NULL);
       if (current_time != last_time)
@@ -1617,7 +1617,7 @@ bool MYSQL_LOG::write(THD *thd,const char *query, uint query_length,
     // Save value if we do an insert.
     if (thd->insert_id_used)
     {
-      if (specialflag & SPECIAL_LONG_LOG_FORMAT)
+      if (!(specialflag & SPECIAL_SHORT_LOG_FORMAT))
       {
         end=strmov(end,",insert_id=");
         end=longlong10_to_str((longlong) thd->last_insert_id,end,-10);

sql/mysqld.cc

@@ -262,6 +262,8 @@ my_bool opt_log_slave_updates= 0;
 my_bool	opt_console= 0, opt_bdb, opt_innodb, opt_isam;
 my_bool opt_readonly, use_temp_pool, relay_log_purge;
 my_bool opt_secure_auth= 0;
+my_bool opt_short_log_format= 0;
+my_bool opt_log_queries_not_using_indexes= 0;
 volatile bool mqh_used = 0;
 
 uint mysqld_port, test_flags, select_errors, dropping_tables, ha_open_options;
@@ -3455,7 +3457,7 @@ enum options
   OPT_SKIP_PRIOR,              OPT_BIG_TABLES,
   OPT_STANDALONE,              OPT_ONE_THREAD,
   OPT_CONSOLE,                 OPT_LOW_PRIORITY_UPDATES,
-  OPT_SKIP_HOST_CACHE,         OPT_LONG_FORMAT,
+  OPT_SKIP_HOST_CACHE,         OPT_SHORT_LOG_FORMAT,
   OPT_FLUSH,                   OPT_SAFE,
   OPT_BOOTSTRAP,               OPT_SKIP_SHOW_DB,
   OPT_TABLE_TYPE,              OPT_INIT_FILE,
@@ -3562,7 +3564,8 @@ enum options
   OPT_DEFAULT_WEEK_FORMAT,
   OPT_GROUP_CONCAT_MAX_LEN,
   OPT_DEFAULT_COLLATION,
-  OPT_SECURE_AUTH
+  OPT_SECURE_AUTH,
+  OPT_LOG_QUERIES_NOT_USING_INDEXES
 };
 
 
@@ -3769,9 +3772,17 @@ Disable with --skip-bdb (will save memory).",
    "Log slow queries to this log file. Defaults logging to hostname-slow.log file.",
    (gptr*) &opt_slow_logname, (gptr*) &opt_slow_logname, 0, GET_STR, OPT_ARG,
    0, 0, 0, 0, 0, 0},
-  {"log-long-format", OPT_LONG_FORMAT,
-   "Log some extra information to update log.", 0, 0, 0, GET_NO_ARG, NO_ARG,
-   0, 0, 0, 0, 0, 0},
+  {"log-long-format", '0',
+   "Log some extra information to update log. Please note that this option is deprecated; see --log-short-format option.", 
+   0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
+  {"log-short-format", OPT_SHORT_LOG_FORMAT,
+   "Don't log extra information to update and slow-query logs.",
+   (gptr*) &opt_short_log_format, (gptr*) &opt_short_log_format,
+   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
+  {"log-queries-not-using-indexes", OPT_LOG_QUERIES_NOT_USING_INDEXES,
+   "Log queries that are executed without benefit of any index.",
+   (gptr*) &opt_log_queries_not_using_indexes, (gptr*) &opt_log_queries_not_using_indexes,
+   0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
   {"log-slave-updates", OPT_LOG_SLAVE_UPDATES,
    "Tells the slave to log the updates from the slave thread to the binary log. You will need to turn it on if you plan to daisy-chain the slaves.",
    (gptr*) &opt_log_slave_updates, (gptr*) &opt_log_slave_updates, 0, GET_BOOL,
@@ -5166,9 +5177,6 @@ get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
   case (int) OPT_SKIP_RESOLVE:
     opt_specialflag|=SPECIAL_NO_RESOLVE;
     break;
-  case (int) OPT_LONG_FORMAT:
-    opt_specialflag|=SPECIAL_LONG_LOG_FORMAT;
-    break;
   case (int) OPT_SKIP_NETWORKING:
     opt_disable_networking=1;
     mysqld_port=0;
@@ -5508,6 +5516,10 @@ static void get_options(int argc,char **argv)
     keybuff_size= (((KEY_CACHE *) find_named(&key_caches, "default", 7,
 					     &not_used))->size);
   }
+  if (opt_short_log_format)
+    opt_specialflag|= SPECIAL_SHORT_LOG_FORMAT;
+  if (opt_log_queries_not_using_indexes)
+    opt_specialflag|= SPECIAL_LOG_QUERIES_NOT_USING_INDEXES;
 }
 
 

sql/sql_parse.cc

@@ -1566,7 +1566,7 @@ bool dispatch_command(enum enum_server_command command, THD *thd,
 	thd->variables.long_query_time ||
 	((thd->lex.select_lex.options &
 	  (QUERY_NO_INDEX_USED | QUERY_NO_GOOD_INDEX_USED)) &&
-	 (specialflag & SPECIAL_LONG_LOG_FORMAT)))
+	 (specialflag & SPECIAL_LOG_QUERIES_NOT_USING_INDEXES)))
     {
       long_query_count++;
       mysql_slow_log.write(thd, thd->query, thd->query_length, start_of_query);

sql/unireg.h

@@ -107,8 +107,9 @@
 #define SPECIAL_NO_PRIOR	128		/* Don't prioritize threads */
 #define SPECIAL_BIG_SELECTS	256		/* Don't use heap tables */
 #define SPECIAL_NO_HOST_CACHE	512		/* Don't cache hosts */
-#define SPECIAL_LONG_LOG_FORMAT 1024
+#define SPECIAL_SHORT_LOG_FORMAT 1024
 #define SPECIAL_SAFE_MODE	2048
+#define SPECIAL_LOG_QUERIES_NOT_USING_INDEXES 4096 /* Log q not using indexes */
 
 	/* Extern defines */
 #define store_record(A,B) bmove_align((A)->B,(A)->record[0],(size_t) (A)->reclength)