Merge mysql.com:/home/jimw/my/tmp_merge

into  mysql.com:/home/jimw/my/mysql-5.1-clean

mysql-test/mysql-test-run.pl

@@ -343,6 +343,7 @@ our @data_dir_lst;
 sub main ();
 sub initial_setup ();
 sub command_line_setup ();
+sub snapshot_setup ();
 sub executable_setup ();
 sub environment_setup ();
 sub kill_running_server ();
@@ -357,7 +358,7 @@ sub ndbcluster_install_slave ();
 sub ndbcluster_start_slave ($);
 sub ndbcluster_stop_slave ();
 sub run_benchmarks ($);
-sub run_tests ();
+sub initialize_servers ();
 sub mysql_install_db ();
 sub install_db ($$);
 sub run_testcase ($);
@@ -388,7 +389,7 @@ sub main () {
   command_line_setup();
   executable_setup();
 
-  check_ndbcluster_support();
+  check_ndbcluster_support(); # We check whether to actually use it later
   check_ssl_support();
 
   environment_setup();
@@ -404,49 +405,37 @@ sub main () {
     gprof_prepare();
   }
 
-  if ( ! $glob_use_running_server )
-  {
-    if ( $opt_start_dirty )
-    {
-      kill_running_server();
-    }
-    else
-    {
-      kill_and_cleanup();
-      mysql_install_db();
-      if ( $opt_force )
-      {
-	save_installed_db();
-      }
-    }
-  }
-
-  if ( $opt_start_dirty )
-  {
-    if ( ndbcluster_start($opt_with_ndbcluster) )
-    {
-      mtr_error("Can't start ndbcluster");
-    }
-    if ( mysqld_start('master',0,[],[],$using_ndbcluster_master) )
-    {
-      mtr_report("Servers started, exiting");
-    }
-    else
-    {
-      mtr_error("Can't start the mysqld server");
-    }
-  }
-  elsif ( $opt_bench )
+  if ( $opt_bench )
   {
+    initialize_servers();
     run_benchmarks(shift);      # Shift what? Extra arguments?!
   }
   elsif ( $opt_stress )
   {
+    initialize_servers();
     run_stress_test()
   }
   else
   {
-    run_tests();
+    # Figure out which tests we are going to run
+    my $tests= collect_test_cases($opt_suite);
+
+    # Turn off NDB and other similar options if no tests use it
+    my ($need_ndbcluster,$need_im,$need_slave);
+    foreach my $test (@$tests)
+    {
+      $need_ndbcluster||= $test->{ndb_test};
+      $need_im||= $test->{component_id} eq 'im';
+      $need_slave||= $test->{slave_num};
+    }
+    $opt_with_ndbcluster= 0 unless $need_ndbcluster;
+    $opt_skip_im= 1 unless $need_im;
+    $opt_skip_rpl= 1 unless $need_slave;
+
+    snapshot_setup();
+    initialize_servers();
+
+    run_suite($opt_suite, $tests);
   }
 
   mtr_exit(0);
@@ -996,20 +985,29 @@ sub command_line_setup () {
   $path_mysqltest_log=  "$opt_vardir/log/mysqltest.log";
 
   $path_snapshot= "$opt_tmpdir/snapshot_$opt_master_myport/";
+}
+
+sub snapshot_setup () {
 
   # Make a list of all data_dirs
   @data_dir_lst = (
     $master->[0]->{'path_myddir'},
-    $master->[1]->{'path_myddir'},
-    $slave->[0]->{'path_myddir'},
-    $slave->[1]->{'path_myddir'},
-    $slave->[2]->{'path_myddir'});
+    $master->[1]->{'path_myddir'});
 
-  foreach my $instance (@{$instance_manager->{'instances'}})
+  unless ($opt_skip_rpl)
   {
-    push(@data_dir_lst, $instance->{'path_datadir'});
+    push @data_dir_lst, ($slave->[0]->{'path_myddir'},
+                         $slave->[1]->{'path_myddir'},
+                         $slave->[2]->{'path_myddir'});
   }
 
+  unless ($opt_skip_im)
+  {
+    foreach my $instance (@{$instance_manager->{'instances'}})
+    {
+      push(@data_dir_lst, $instance->{'path_datadir'});
+    }
+  }
 }
 
 
@@ -1440,7 +1438,7 @@ sub check_ndbcluster_support () {
     return;
   }
 
-  mtr_report("Using ndbcluster, mysqld supports it");
+  mtr_report("Using ndbcluster if necessary, mysqld supports it");
   $opt_with_ndbcluster= 1;
   if ( $opt_ndbconnectstring )
   {
@@ -1728,12 +1726,9 @@ sub run_benchmarks ($) {
 
 # FIXME how to specify several suites to run? Comma separated list?
 
-sub run_tests () {
-  run_suite($opt_suite);
-}
 
 sub run_suite () {
-  my $suite= shift;
+  my ($suite, $tests)= @_;
 
   mtr_print_thick_line();
 
@@ -1741,8 +1736,6 @@ sub run_suite () {
 
   mtr_timer_start($glob_timers,"suite", 60 * $opt_suite_timeout);
 
-  my $tests= collect_test_cases($suite);
-
   mtr_report("Starting Tests in the '$suite' suite");
 
   mtr_print_header();
@@ -1784,14 +1777,37 @@ sub run_suite () {
 #
 ##############################################################################
 
+sub initialize_servers () {
+  if ( ! $glob_use_running_server )
+  {
+    if ( $opt_start_dirty )
+    {
+      kill_running_server();
+    }
+    else
+    {
+      kill_and_cleanup();
+      mysql_install_db();
+      if ( $opt_force )
+      {
+	save_installed_db();
+      }
+    }
+  }
+}
+
 sub mysql_install_db () {
 
   # FIXME not exactly true I think, needs improvements
   install_db('master', $master->[0]->{'path_myddir'});
   install_db('master', $master->[1]->{'path_myddir'});
-  install_db('slave',  $slave->[0]->{'path_myddir'});
-  install_db('slave',  $slave->[1]->{'path_myddir'});
-  install_db('slave',  $slave->[2]->{'path_myddir'});
+
+  if ( ! $opt_skip_rpl )
+  {
+    install_db('slave',  $slave->[0]->{'path_myddir'});
+    install_db('slave',  $slave->[1]->{'path_myddir'});
+    install_db('slave',  $slave->[2]->{'path_myddir'});
+  }
 
   if ( ! $opt_skip_im )
   {
@@ -2243,10 +2259,11 @@ sub run_testcase ($) {
   }
 
   # ----------------------------------------------------------------------
-  # If --start-and-exit given, stop here to let user manually run tests
+  # If --start-and-exit or --start-dirty given, stop here to let user manually
+  # run tests
   # ----------------------------------------------------------------------
 
-  if ( $opt_start_and_exit )
+  if ( $opt_start_and_exit or $opt_start_dirty )
   {
     mtr_report("\nServers started, exiting");
     exit(0);
@@ -3700,11 +3717,12 @@ Misc options
   comment=STR           Write STR to the output
   notimer               Don't show test case execution time
   script-debug          Debug this script itself
-  start-and-exit        Only initiate and start the "mysqld" servers, use
-                        the startup settings for the specified test case if any
-  start-dirty           Only start the "mysqld" servers without initiation
-  fast                  Don't try to cleanup from earlier runs
-  reorder               Reorder tests to get less server restarts
+  start-and-exit        Only initialize and start the servers, using the
+                        startup settings for the specified test case (if any)
+  start-dirty           Only start the servers (without initialization) for
+                        the specified test case (if any)
+  fast                  Don't try to clean up from earlier runs
+  reorder               Reorder tests to get fewer server restarts
   help                  Get this help text
   unified-diff | udiff  When presenting differences, use unified diff
 

mysql-test/ndb/ndbcluster.sh

@@ -264,7 +264,7 @@ done
 # test if Ndb Cluster starts properly
 
 if [ `expr $VERBOSE \> 1` = 1 ] ; then
-  echo "Waiting for started..."
+  echo "Waiting for NDB data nodes to start..."
 fi
 if ( $exec_waiter ) | grep "NDBT_ProgramExit: 0 - OK" > /dev/null 2>&1 ; then :; else
   if [ `expr $VERBOSE \> 0` = 1 ] ; then

mysql-test/r/having.result

@@ -392,3 +392,16 @@ HAVING HU.PROJ.CITY = HU.STAFF.CITY);
 EMPNUM	GRADE*1000
 E3	13000
 DROP SCHEMA HU;
+USE test;
+create table t1(f1 int);
+select f1 from t1 having max(f1)=f1;
+f1
+select f1 from t1 group by f1 having max(f1)=f1;
+f1
+set session sql_mode='ONLY_FULL_GROUP_BY';
+select f1 from t1 having max(f1)=f1;
+ERROR 42000: non-grouping field 'f1' is used in HAVING clause
+select f1 from t1 group by f1 having max(f1)=f1;
+f1
+set session sql_mode='';
+drop table t1;

mysql-test/r/user_var.result

@@ -215,9 +215,6 @@ select @@version;
 select @@global.version;
 @@global.version
 #
-select @@session.VERSION;
-@@session.VERSION
-#
 set @first_var= NULL;
 create table t1 select @first_var;
 show create table t1;

mysql-test/r/variables.result

@@ -275,7 +275,7 @@ ERROR HY000: Variable 'autocommit' is a SESSION variable and can't be used with
 select @@global.timestamp;
 ERROR HY000: Variable 'timestamp' is a SESSION variable
 set @@version='';
-ERROR HY000: Unknown system variable 'version'
+ERROR HY000: Variable 'version' is a read only variable
 set @@concurrent_insert=1;
 ERROR HY000: Variable 'concurrent_insert' is a GLOBAL variable and should be set with SET GLOBAL
 set @@global.sql_auto_is_null=1;
@@ -384,6 +384,7 @@ select @@sql_max_join_size,@@max_join_size;
 set sql_quote_show_create=1;
 set sql_safe_updates=1;
 set sql_select_limit=1;
+set sql_select_limit=default;
 set sql_warnings=1;
 set global table_open_cache=100;
 set storage_engine=myisam;
@@ -584,3 +585,31 @@ set @@global.character_set_filesystem=default;
 select @@global.character_set_filesystem;
 @@global.character_set_filesystem
 binary
+set @old_sql_big_selects = @@sql_big_selects;
+set @@sql_big_selects = 1;
+show variables like 'sql_big_selects';
+Variable_name	Value
+sql_big_selects	ON
+set @@sql_big_selects = @old_sql_big_selects;
+set @@sql_notes = 0, @@sql_warnings = 0;
+show variables like 'sql_notes';
+Variable_name	Value
+sql_notes	OFF
+show variables like 'sql_warnings';
+Variable_name	Value
+sql_warnings	OFF
+set @@sql_notes = 1, @@sql_warnings = 1;
+show variables like 'sql_notes';
+Variable_name	Value
+sql_notes	ON
+show variables like 'sql_warnings';
+Variable_name	Value
+sql_warnings	ON
+select @@system_time_zone;
+@@system_time_zone
+#
+select @@version, @@version_comment, @@version_compile_machine,
+@@version_compile_os;
+@@version	@@version_comment	@@version_compile_machine	@@version_compile_os
+#	#	#	#
+End of 5.0 tests

mysql-test/t/having.test

@@ -393,3 +393,16 @@ SELECT EMPNUM, GRADE*1000
                            HAVING HU.PROJ.CITY = HU.STAFF.CITY);
 
 DROP SCHEMA HU;
+USE test;
+#
+# Bug#18739: non-standard HAVING extension was allowed in strict ANSI sql mode.
+#
+create table t1(f1 int);
+select f1 from t1 having max(f1)=f1;
+select f1 from t1 group by f1 having max(f1)=f1;
+set session sql_mode='ONLY_FULL_GROUP_BY';
+--error 1463
+select f1 from t1 having max(f1)=f1;
+select f1 from t1 group by f1 having max(f1)=f1;
+set session sql_mode='';
+drop table t1;

mysql-test/t/user_var.test

@@ -143,8 +143,6 @@ select @@Max_Allowed_Packet;
 select @@version;
 --replace_column 1 #
 select @@global.version;
---replace_column 1 #
-select @@session.VERSION;
 
 # End of 4.1 tests
 

mysql-test/t/variables.test

@@ -169,7 +169,7 @@ set collation_connection=NULL;
 set global autocommit=1;
 --error 1238
 select @@global.timestamp;
---error 1193
+--error 1238 
 set @@version='';
 --error 1229
 set @@concurrent_insert=1;
@@ -258,6 +258,8 @@ select @@sql_max_join_size,@@max_join_size;
 set sql_quote_show_create=1;
 set sql_safe_updates=1;
 set sql_select_limit=1;
+# reset it, so later tests don't get confused
+set sql_select_limit=default;
 set sql_warnings=1;
 set global table_open_cache=100;
 set storage_engine=myisam;
@@ -472,4 +474,38 @@ select @@character_set_filesystem;
 set @@global.character_set_filesystem=default;
 select @@global.character_set_filesystem;
 
-# End of 5.0 tests
+#
+# Bug #17849: Show sql_big_selects in SHOW VARIABLES
+#
+set @old_sql_big_selects = @@sql_big_selects;
+set @@sql_big_selects = 1;
+show variables like 'sql_big_selects';
+set @@sql_big_selects = @old_sql_big_selects;
+
+#
+# Bug #16195: SHOW VARIABLES doesn't report correctly sql_warnings and
+# sql_notes values
+# 
+set @@sql_notes = 0, @@sql_warnings = 0;
+show variables like 'sql_notes';
+show variables like 'sql_warnings';
+set @@sql_notes = 1, @@sql_warnings = 1;
+show variables like 'sql_notes';
+show variables like 'sql_warnings';
+
+#
+# Bug #12792: @@system_time_zone is not SELECTable.
+#
+# Don't actually output, since it depends on the system
+--replace_column 1 #
+select @@system_time_zone;
+
+#
+# Bug #15684: system variables cannot be SELECTed (e.g. @@version_comment)
+#
+# Don't actually output, since it depends on the system
+--replace_column 1 # 2 # 3 # 4 #
+select @@version, @@version_comment, @@version_compile_machine,
+       @@version_compile_os;
+
+--echo End of 5.0 tests

sql/item.cc

@@ -3154,7 +3154,8 @@ static Item** find_field_in_group_list(Item *find_item, ORDER *group_list)
     both clauses contain different fields with the same names, a warning is
     issued that name of 'ref' is ambiguous. We extend ANSI SQL in that when no
     GROUP BY column is found, then a HAVING name is resolved as a possibly
-    derived SELECT column.
+    derived SELECT column. This extension is allowed only if the
+    MODE_ONLY_FULL_GROUP_BY sql mode isn't enabled.
 
   NOTES
     The resolution procedure is:
@@ -3164,7 +3165,9 @@ static Item** find_field_in_group_list(Item *find_item, ORDER *group_list)
       in the GROUP BY clause of Q.
     - If found different columns with the same name in GROUP BY and SELECT
       - issue a warning and return the GROUP BY column,
-      - otherwise return the found SELECT column.
+      - otherwise
+        - if the MODE_ONLY_FULL_GROUP_BY mode is enabled return error
+        - else return the found SELECT column.
 
 
   RETURN
@@ -3209,6 +3212,17 @@ resolve_ref_in_select_and_group(THD *thd, Item_ident *ref, SELECT_LEX *select)
     }
   }
 
+  if (thd->variables.sql_mode & MODE_ONLY_FULL_GROUP_BY &&
+      select_ref != not_found_item && !group_by_ref)
+  {
+    /*
+      Report the error if fields was found only in the SELECT item list and
+      the strict mode is enabled.
+    */
+    my_error(ER_NON_GROUPING_FIELD_USED, MYF(0),
+             ref->name, "HAVING");
+    return NULL;
+  }
   if (select_ref != not_found_item || group_by_ref)
   {
     if (select_ref != not_found_item && !ambiguous_fields)

sql/item_func.cc

@@ -4559,12 +4559,6 @@ Item *get_system_var(THD *thd, enum_var_type var_type, LEX_STRING name,
   sys_var *var;
   LEX_STRING *base_name, *component_name;
 
-  if (component.str == 0 &&
-      !my_strcasecmp(system_charset_info, name.str, "VERSION"))
-    return new Item_string(NULL, server_version,
-			   (uint) strlen(server_version),
-			   system_charset_info, DERIVATION_SYSCONST);
-
   if (component.str)
   {
     base_name= &component;

sql/set_var.cc

@@ -438,6 +438,8 @@ sys_var_thd_storage_engine sys_storage_engine("storage_engine",
 sys_var_sync_binlog_period sys_sync_binlog_period("sync_binlog", &sync_binlog_period);
 #endif
 sys_var_bool_ptr	sys_sync_frm("sync_frm", &opt_sync_frm);
+sys_var_const_str	sys_system_time_zone("system_time_zone",
+                                             system_time_zone);
 sys_var_long_ptr	sys_table_def_size("table_definition_cache",
                                            &table_def_size);
 sys_var_long_ptr	sys_table_cache_size("table_open_cache",
@@ -455,6 +457,13 @@ sys_var_thd_ulong	sys_tmp_table_size("tmp_table_size",
 					   &SV::tmp_table_size);
 sys_var_bool_ptr  sys_timed_mutexes("timed_mutexes",
                                     &timed_mutexes);
+sys_var_const_str	sys_version("version", server_version);
+sys_var_const_str	sys_version_comment("version_comment",
+                                            MYSQL_COMPILATION_COMMENT);
+sys_var_const_str	sys_version_compile_machine("version_compile_machine",
+                                                    MACHINE_TYPE);
+sys_var_const_str	sys_version_compile_os("version_compile_os",
+                                               SYSTEM_TYPE);
 sys_var_thd_ulong	sys_net_wait_timeout("wait_timeout",
 					     &SV::net_wait_timeout);
 
@@ -622,7 +631,6 @@ sys_var_thd_time_zone            sys_time_zone("time_zone");
 
 /* Read only variables */
 
-sys_var_const_str		sys_os("version_compile_os", SYSTEM_TYPE);
 sys_var_have_variable sys_have_archive_db("have_archive", &have_archive_db);
 sys_var_have_variable sys_have_berkeley_db("have_bdb", &have_berkeley_db);
 sys_var_have_variable sys_have_blackhole_db("have_blackhole_engine",
@@ -949,10 +957,11 @@ SHOW_VAR init_vars[]= {
 #ifdef HAVE_SYS_UN_H
   {"socket",                  (char*) &mysqld_unix_port,             SHOW_CHAR_PTR},
 #endif
-  {sys_sort_buffer.name,      (char*) &sys_sort_buffer, 	    SHOW_SYS},
+  {sys_sort_buffer.name,      (char*) &sys_sort_buffer,             SHOW_SYS},
+  {sys_big_selects.name,      (char*) &sys_big_selects,             SHOW_SYS},
   {sys_sql_mode.name,         (char*) &sys_sql_mode,                SHOW_SYS},
-  {"sql_notes",               (char*) &sys_sql_notes,               SHOW_BOOL},
-  {"sql_warnings",            (char*) &sys_sql_warnings,            SHOW_BOOL},
+  {"sql_notes",               (char*) &sys_sql_notes,               SHOW_SYS},
+  {"sql_warnings",            (char*) &sys_sql_warnings,            SHOW_SYS},
   {sys_storage_engine.name,   (char*) &sys_storage_engine,          SHOW_SYS},
 #ifdef HAVE_REPLICATION
   {sys_sync_binlog_period.name,(char*) &sys_sync_binlog_period,     SHOW_SYS},
@@ -981,10 +990,11 @@ SHOW_VAR init_vars[]= {
   {sys_tx_isolation.name,     (char*) &sys_tx_isolation,	    SHOW_SYS},
   {sys_updatable_views_with_limit.name,
                               (char*) &sys_updatable_views_with_limit,SHOW_SYS},
-  {"version",                 server_version,                       SHOW_CHAR},
-  {"version_comment",         (char*) MYSQL_COMPILATION_COMMENT,    SHOW_CHAR},
-  {"version_compile_machine", (char*) MACHINE_TYPE,		    SHOW_CHAR},
-  {sys_os.name,		      (char*) &sys_os,			    SHOW_SYS},
+  {sys_version.name,          (char*) &sys_version,                 SHOW_SYS},
+  {sys_version_comment.name,  (char*) &sys_version_comment,         SHOW_SYS},
+  {sys_version_compile_machine.name, (char*) &sys_version_compile_machine,
+   SHOW_SYS},
+  {sys_version_compile_os.name,	(char*) &sys_version_compile_os,    SHOW_SYS},
   {sys_net_wait_timeout.name, (char*) &sys_net_wait_timeout,	    SHOW_SYS},
   {NullS, NullS, SHOW_LONG}
 };

sql/share/errmsg.txt

@@ -5822,6 +5822,8 @@ ER_MAX_PREPARED_STMT_COUNT_REACHED 42000
         eng "Can't create more than max_prepared_stmt_count statements (current value: %lu)"
 ER_VIEW_RECURSIVE
         eng "`%-.64s`.`%-.64s` contains view recursion"
+ER_NON_GROUPING_FIELD_USED 42000
+	eng "non-grouping field '%-.64s' is used in %-.64s clause"
 ER_TEMP_TABLE_PREVENTS_SWITCH_OUT_OF_RBR
 	eng "Cannot switch out of the row-based binary log format when the session has open temporary tables"
 ER_STORED_FUNCTION_PREVENTS_SWITCH_BINLOG_FORMAT

sql/sql_select.cc

@@ -12690,6 +12690,10 @@ setup_group(THD *thd, Item **ref_pointer_array, TABLE_LIST *tables,
       if (item->type() != Item::SUM_FUNC_ITEM && !item->marker &&
 	  !item->const_item())
       {
+        /*
+          TODO: change ER_WRONG_FIELD_WITH_GROUP to more detailed
+          ER_NON_GROUPING_FIELD_USED
+        */
 	my_error(ER_WRONG_FIELD_WITH_GROUP, MYF(0), item->full_name());
 	return 1;
       }