Merge of BUG#26624 and BUG#26625

mysql-test/r/range.result

@@ -717,6 +717,34 @@ d8c4177d225791924.30714720
 d8c4177d2380fc201.39666693
 d8c4177d24ccef970.14957924
 DROP TABLE t1;
+create table t1 (
+c1  char(10), c2  char(10), c3  char(10), c4  char(10),
+c5  char(10), c6  char(10), c7  char(10), c8  char(10),
+c9  char(10), c10 char(10), c11 char(10), c12 char(10),
+c13 char(10), c14 char(10), c15 char(10), c16 char(10),
+index(c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12,c13,c14,c15,c16)
+);
+insert into t1 (c1) values ('1'),('1'),('1'),('1');
+select * from t1 where
+c1 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c2 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c3 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c4 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c5 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c6 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c7 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c8 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c9 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c10 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c11 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c12 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c13 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c14 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c15 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+and c16 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+;
+c1	c2	c3	c4	c5	c6	c7	c8	c9	c10	c11	c12	c13	c14	c15	c16
+drop table t1;
 End of 4.1 tests
 CREATE TABLE t1 (
 id int(11) NOT NULL auto_increment,

mysql-test/t/range.test

@@ -568,6 +568,38 @@ SELECT s.oxid FROM t1 v, t1 s
 
 DROP TABLE t1;
 
+# BUG#26624 high mem usage (crash) in range optimizer (depends on order of fields in where)
+create table t1 (
+  c1  char(10), c2  char(10), c3  char(10), c4  char(10),
+  c5  char(10), c6  char(10), c7  char(10), c8  char(10),
+  c9  char(10), c10 char(10), c11 char(10), c12 char(10),
+  c13 char(10), c14 char(10), c15 char(10), c16 char(10),
+  index(c1, c2, c3, c4, c5, c6, c7, c8, c9, c10, c11, c12,c13,c14,c15,c16)
+);
+
+insert into t1 (c1) values ('1'),('1'),('1'),('1');
+
+# This must run without crash and fast:
+select * from t1 where
+     c1 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c2 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c3 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c4 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c5 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c6 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c7 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c8 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c9 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c10 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c11 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c12 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c13 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c14 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c15 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+ and c16 in ("abcdefgh", "123456789", "qwertyuio", "asddfgh")
+;
+drop table t1;
+
 --echo End of 4.1 tests
 
 #

sql/mysqld.cc.rej

-***************
-*** 177,188 ****
-  } /* cplusplus */
-  
-  
-- #if defined(HAVE_LINUXTHREADS)
-- #define THR_KILL_SIGNAL SIGINT
-- #else
-- #define THR_KILL_SIGNAL SIGUSR2		// Can't use this with LinuxThreads
-- #endif
-- 
-  #ifdef HAVE_GLIBC2_STYLE_GETHOSTBYNAME_R
-  #include <sys/types.h>
-  #else
---- 177,182 ----
-  } /* cplusplus */
-  
-  
-  #ifdef HAVE_GLIBC2_STYLE_GETHOSTBYNAME_R
-  #include <sys/types.h>
-  #else
-***************
-*** 505,510 ****
-  static void clean_up_mutexes(void);
-  static int test_if_case_insensitive(const char *dir_name);
-  static void create_pid_file();
-  
-  /****************************************************************************
-  ** Code to end mysqld
---- 499,505 ----
-  static void clean_up_mutexes(void);
-  static int test_if_case_insensitive(const char *dir_name);
-  static void create_pid_file();
-+ static uint get_thread_lib(void);
-  
-  /****************************************************************************
-  ** Code to end mysqld
-***************
-*** 544,550 ****
-      DBUG_PRINT("info",("Waiting for select_thread"));
-  
-  #ifndef DONT_USE_THR_ALARM
-!     if (pthread_kill(select_thread,THR_CLIENT_ALARM))
-        break;					// allready dead
-  #endif
-      set_timespec(abstime, 2);
---- 539,546 ----
-      DBUG_PRINT("info",("Waiting for select_thread"));
-  
-  #ifndef DONT_USE_THR_ALARM
-!     if (pthread_kill(select_thread,
-! 		     thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1))
-        break;					// allready dead
-  #endif
-      set_timespec(abstime, 2);
-***************
-*** 844,850 ****
-  		      sig,my_thread_id());
-    }
-  #ifdef DONT_REMEMBER_SIGNAL
-!   sigset(sig,print_signal_warning);		/* int. thread system calls */
-  #endif
-  #if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
-    if (sig == SIGALRM)
---- 840,846 ----
-  		      sig,my_thread_id());
-    }
-  #ifdef DONT_REMEMBER_SIGNAL
-!   my_sigset(sig, print_signal_warning);         /* int. thread system calls */
-  #endif
-  #if !defined(__WIN__) && !defined(OS2) && !defined(__NETWARE__)
-    if (sig == SIGALRM)
-***************
-*** 1841,1848 ****
-    DBUG_ENTER("init_signals");
-  
-    if (test_flags & TEST_SIGINT)
-!     sigset(THR_KILL_SIGNAL,end_thread_signal);
-!   sigset(THR_SERVER_ALARM,print_signal_warning); // Should never be called!
-  
-    if (!(test_flags & TEST_NO_STACKTRACE) || (test_flags & TEST_CORE_ON_SIGNAL))
-    {
---- 1837,1847 ----
-    DBUG_ENTER("init_signals");
-  
-    if (test_flags & TEST_SIGINT)
-!   {
-!     my_sigset(thd_lib_detected == THD_LIB_LT ? SIGINT : SIGUSR2,
-!               end_thread_signal);
-!   }
-!   my_sigset(THR_SERVER_ALARM, print_signal_warning); // Should never be called!
-  
-    if (!(test_flags & TEST_NO_STACKTRACE) || (test_flags & TEST_CORE_ON_SIGNAL))
-    {
-***************
-*** 1877,1883 ****
-  #endif
-    (void) sigemptyset(&set);
-  #ifdef THREAD_SPECIFIC_SIGPIPE
-!   sigset(SIGPIPE,abort_thread);
-    sigaddset(&set,SIGPIPE);
-  #else
-    (void) signal(SIGPIPE,SIG_IGN);		// Can't know which thread
---- 1876,1882 ----
-  #endif
-    (void) sigemptyset(&set);
-  #ifdef THREAD_SPECIFIC_SIGPIPE
-!   my_sigset(SIGPIPE, abort_thread);
-    sigaddset(&set,SIGPIPE);
-  #else
-    (void) signal(SIGPIPE,SIG_IGN);		// Can't know which thread
-***************
-*** 2237,2244 ****
-    MY_INIT(argv[0]);		// init my_sys library & pthreads
-    tzset();			// Set tzname
-  
-    start_time=time((time_t*) 0);
-- 
-  #ifdef OS2
-    {
-      // fix timezone for daylight saving
---- 2236,2243 ----
-    MY_INIT(argv[0]);		// init my_sys library & pthreads
-    tzset();			// Set tzname
-  
-+   thd_lib_detected= get_thread_lib();
-    start_time=time((time_t*) 0);
-  #ifdef OS2
-    {
-      // fix timezone for daylight saving
-***************
-*** 5547,5552 ****
-      (void) my_write(file, (byte*) buff, (uint) (end-buff),MYF(MY_WME));
-      (void) my_close(file, MYF(0));
-    }
-  }
-  
-  
---- 5546,5567 ----
-      (void) my_write(file, (byte*) buff, (uint) (end-buff),MYF(MY_WME));
-      (void) my_close(file, MYF(0));
-    }
-+ }
-+ 
-+ 
-+ static uint get_thread_lib(void)
-+ {
-+   char buff[64];
-+     
-+ #ifdef _CS_GNU_LIBPTHREAD_VERSION
-+   confstr(_CS_GNU_LIBPTHREAD_VERSION, buff, sizeof(buff));
-+ 
-+   if (!strncasecmp(buff, "NPTL", 4))
-+     return THD_LIB_NPTL;
-+   else if (!strncasecmp(buff, "linuxthreads", 12))
-+     return THD_LIB_LT;
-+ #endif
-+   return THD_LIB_OTHER;
-  }
-  
-  

sql/sql_list.h

@@ -23,7 +23,7 @@
 class Sql_alloc
 {
 public:
-  static void *operator new(size_t size)
+  static void *operator new(size_t size) throw ()
   {
     return (void*) sql_alloc((uint) size);
   }
@@ -31,9 +31,9 @@ public:
   {
     return (void*) sql_alloc((uint) size);
   }
-  static void *operator new[](size_t size, MEM_ROOT *mem_root)
+  static void *operator new[](size_t size, MEM_ROOT *mem_root) throw ()
   { return (void*) alloc_root(mem_root, (uint) size); }
-  static void *operator new(size_t size, MEM_ROOT *mem_root)
+  static void *operator new(size_t size, MEM_ROOT *mem_root) throw ()
   { return (void*) alloc_root(mem_root, (uint) size); }
   static void operator delete(void *ptr, size_t size) { TRASH(ptr, size); }
   static void operator delete(void *ptr, MEM_ROOT *mem_root)