Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-4.1

into  quadxeon.mysql.com:/benchmarks/ext3/TOSAVE/tsmith/bk/maint/mrg0306/41

.bzrignore

@@ -1067,3 +1067,4 @@ vio/viotest-ssl
 include/check_abi
 include/mysql_h.ic
 mysql-test/r/blackhole.log
+mysql-test/lib/init_db.sql

client/echo.c

+/* Copyright (C) 2000 MySQL AB
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/*
+  echo is a replacement for the "echo" command builtin to cmd.exe
+  on Windows, to get a Unix eqvivalent behaviour when running commands
+  like:
+    $> echo "hello" | mysql
+
+  The windows "echo" would have sent "hello" to mysql while
+  Unix echo will send hello without the enclosing hyphens
+
+  This is a very advanced high tech program so take care when
+  you change it and remember to valgrind it before production
+  use.
+
+*/
+
+#include <stdio.h>
+
+int main(int argc, char **argv)
+{
+  int i;
+  for (i= 1; i < argc; i++)
+  {
+    fprintf(stdout, "%s", argv[i]);
+    if (i < argc - 1)
+      fprintf(stdout, " ");
+  }
+  fprintf(stdout, "\n");
+  return 0;
+}

mysql-test/Makefile.am

@@ -35,7 +35,7 @@ testdir =	        $(benchdir_root)/mysql-test
 EXTRA_SCRIPTS = 	mysql-test-run-shell.sh install_test_db.sh \
 			valgrind.supp $(PRESCRIPTS)
 EXTRA_DIST = 		$(EXTRA_SCRIPTS)
-GENSCRIPTS =		mysql-test-run-shell mysql-test-run install_test_db mtr
+GENSCRIPTS =		mysql-test-run-shell mysql-test-run install_test_db mtr lib/init_db.sql
 PRESCRIPTS =		mysql-test-run.pl
 test_SCRIPTS = 		$(GENSCRIPTS) $(PRESCRIPTS)
 test_DATA = 		std_data/client-key.pem \
@@ -119,6 +119,11 @@ mysql-test-run:
 	$(RM) -f mysql-test-run
 	$(LN_S) mysql-test-run.pl mysql-test-run
 
+# Build init_db.sql by executing mysql_create_system_tables
+lib/init_db.sql:
+	$(top_builddir)/scripts/mysql_create_system_tables \
+          test . \@HOSTNAME\@ > lib/init_db.sql
+
 SUFFIXES = .sh
 
 .sh:

mysql-test/lib/mtr_misc.pl

@@ -8,6 +8,7 @@ use strict;
 
 sub mtr_full_hostname ();
 sub mtr_short_hostname ();
+sub mtr_native_path($);
 sub mtr_init_args ($);
 sub mtr_add_arg ($$@);
 sub mtr_path_exists(@);
@@ -49,6 +50,22 @@ sub mtr_short_hostname () {
   return $hostname;
 }
 
+# Convert path to OS native format
+sub mtr_native_path($)
+{
+  my $path= shift;
+
+  # MySQL version before 5.0 still use cygwin, no need
+  # to convert path
+  return $path
+    if ($::mysql_version_id < 50000);
+
+  $path=~ s/\//\\/g
+    if ($::glob_win32);
+  return $path;
+}
+
+
 # FIXME move to own lib
 
 sub mtr_init_args ($) {

mysql-test/lib/mtr_process.pl

@@ -8,7 +8,7 @@ use Socket;
 use Errno;
 use strict;
 
-use POSIX 'WNOHANG';
+use POSIX qw(WNOHANG SIGHUP);
 
 sub mtr_run ($$$$$$;$);
 sub mtr_spawn ($$$$$$;$);
@@ -125,19 +125,18 @@ sub spawn_impl ($$$$$$$$) {
     {
       if ( $! == $!{EAGAIN} )           # See "perldoc Errno"
       {
-        mtr_debug("Got EAGAIN from fork(), sleep 1 second and redo");
+        mtr_warning("Got EAGAIN from fork(), sleep 1 second and redo");
         sleep(1);
         redo FORK;
       }
-      else
-      {
-        mtr_error("$path ($pid) can't be forked");
-      }
+
+      mtr_error("$path ($pid) can't be forked, error: $!");
+
     }
 
     if ( $pid )
     {
-      spawn_parent_impl($pid,$mode,$path);
+      return spawn_parent_impl($pid,$mode,$path);
     }
     else
     {
@@ -202,8 +201,11 @@ sub spawn_impl ($$$$$$$$) {
       {
         mtr_child_error("failed to execute \"$path\": $!");
       }
+      mtr_error("Should never come here 1!");
     }
+    mtr_error("Should never come here 2!");
   }
+  mtr_error("Should never come here 3!");
 }
 
 
@@ -216,12 +218,21 @@ sub spawn_parent_impl {
   {
     if ( $mode eq 'run' )
     {
-      # Simple run of command, we wait for it to return
+      # Simple run of command, wait blocking for it to return
       my $ret_pid= waitpid($pid,0);
       if ( $ret_pid != $pid )
       {
-        mtr_error("waitpid($pid, 0) returned $ret_pid " .
-		  "when waiting for '$path'");
+	# The "simple" waitpid has failed, print debug info
+	# and try to handle the error
+        mtr_warning("waitpid($pid, 0) returned $ret_pid " .
+		    "when waiting for '$path', error: '$!'");
+	if ( $ret_pid == -1 )
+	{
+	  # waitpid returned -1, that would indicate the process
+	  # no longer exist and waitpid couldn't wait for it.
+	  return 1;
+	}
+	mtr_error("Error handling failed");
       }
 
       return mtr_process_exit_status($?);
@@ -1089,12 +1100,6 @@ sub mtr_kill_processes ($) {
 #
 ##############################################################################
 
-# FIXME something is wrong, we sometimes terminate with "Hangup" written
-# to tty, and no STDERR output telling us why.
-
-# FIXME for some reason, setting HUP to 'IGNORE' will cause exit() to
-# write out "Hangup", and maybe loose some output. We insert a sleep...
-
 sub mtr_exit ($) {
   my $code= shift;
   mtr_timer_stop_all($::glob_timers);
@@ -1106,7 +1111,7 @@ sub mtr_exit ($) {
   # set ourselves as the group leader at startup (with
   # POSIX::setpgrp(0,0)), but then care must be needed to always do
   # proper child process cleanup.
-  kill('HUP', -$$) if !$::glob_win32_perl and $$ == getpgrp();
+  POSIX::kill(SIGHUP, -$$) if !$::glob_win32_perl and $$ == getpgrp();
 
   exit($code);
 }

mysql-test/mysql-test-run.pl

@@ -347,6 +347,7 @@ sub stop_all_servers ();
 sub run_mysqltest ($);
 sub usage ($);
 
+
 ######################################################################
 #
 #  Main program
@@ -1518,7 +1519,8 @@ sub executable_setup () {
 sub generate_cmdline_mysqldump ($) {
   my($mysqld) = @_;
   return
-    "$exe_mysqldump --no-defaults -uroot " .
+    mtr_native_path($exe_mysqldump) .
+      " --no-defaults -uroot " .
       "--port=$mysqld->{'port'} " .
       "--socket=$mysqld->{'path_sock'} --password=";
 }
@@ -1624,7 +1626,7 @@ sub environment_setup () {
   my $deb_version;
   if (  $opt_valgrind and -d $debug_libraries_path and
         (! -e '/etc/debian_version' or
-         ($deb_version= mtr_grab_file('/etc/debian_version')) == 0 or
+	 ($deb_version= mtr_grab_file('/etc/debian_version')) !~ /^[0-9]+\.[0-9]$/ or
          $deb_version > 3.1 ) )
   {
     push(@ld_library_paths, $debug_libraries_path);
@@ -1721,7 +1723,8 @@ sub environment_setup () {
   # Setup env so childs can execute mysqlcheck
   # ----------------------------------------------------
   my $cmdline_mysqlcheck=
-    "$exe_mysqlcheck --no-defaults -uroot " .
+    mtr_native_path($exe_mysqlcheck) .
+      " --no-defaults -uroot " .
       "--port=$master->[0]->{'port'} " .
       "--socket=$master->[0]->{'path_sock'} --password=";
 
@@ -1755,7 +1758,8 @@ sub environment_setup () {
   if ( $exe_mysqlslap )
   {
     my $cmdline_mysqlslap=
-      "$exe_mysqlslap -uroot " .
+      mtr_native_path($exe_mysqlslap) .
+      " -uroot " .
       "--port=$master->[0]->{'port'} " .
       "--socket=$master->[0]->{'path_sock'} --password= " .
       "--lock-directory=$opt_tmpdir";
@@ -1772,7 +1776,8 @@ sub environment_setup () {
   # Setup env so childs can execute mysqlimport
   # ----------------------------------------------------
   my $cmdline_mysqlimport=
-    "$exe_mysqlimport -uroot " .
+    mtr_native_path($exe_mysqlimport) .
+    " -uroot " .
     "--port=$master->[0]->{'port'} " .
     "--socket=$master->[0]->{'path_sock'} --password=";
 
@@ -1788,7 +1793,8 @@ sub environment_setup () {
   # Setup env so childs can execute mysqlshow
   # ----------------------------------------------------
   my $cmdline_mysqlshow=
-    "$exe_mysqlshow -uroot " .
+    mtr_native_path($exe_mysqlshow) .
+    " -uroot " .
     "--port=$master->[0]->{'port'} " .
     "--socket=$master->[0]->{'path_sock'} --password=";
 
@@ -1803,7 +1809,7 @@ sub environment_setup () {
   # Setup env so childs can execute mysqlbinlog
   # ----------------------------------------------------
   my $cmdline_mysqlbinlog=
-    "$exe_mysqlbinlog" .
+    mtr_native_path($exe_mysqlbinlog) .
       " --no-defaults --local-load=$opt_tmpdir";
   if ( $mysql_version_id >= 50000 )
   {
@@ -1821,7 +1827,8 @@ sub environment_setup () {
   # Setup env so childs can execute mysql
   # ----------------------------------------------------
   my $cmdline_mysql=
-    "$exe_mysql --no-defaults --host=localhost  --user=root --password= " .
+    mtr_native_path($exe_mysql) .
+    " --no-defaults --host=localhost  --user=root --password= " .
     "--port=$master->[0]->{'port'} " .
     "--socket=$master->[0]->{'path_sock'} ".
     "--character-sets-dir=$path_charsetsdir";
@@ -1850,17 +1857,17 @@ sub environment_setup () {
   # ----------------------------------------------------
   # Setup env so childs can execute my_print_defaults
   # ----------------------------------------------------
-  $ENV{'MYSQL_MY_PRINT_DEFAULTS'}=  $exe_my_print_defaults;
+  $ENV{'MYSQL_MY_PRINT_DEFAULTS'}= mtr_native_path($exe_my_print_defaults);
 
   # ----------------------------------------------------
   # Setup env so childs can execute mysqladmin
   # ----------------------------------------------------
-  $ENV{'MYSQLADMIN'}=  $exe_mysqladmin;
+  $ENV{'MYSQLADMIN'}= mtr_native_path($exe_mysqladmin);
 
   # ----------------------------------------------------
   # Setup env so childs can execute perror  
   # ----------------------------------------------------
-  $ENV{'MY_PERROR'}=                 $exe_perror;
+  $ENV{'MY_PERROR'}= mtr_native_path($exe_perror);
 
   # ----------------------------------------------------
   # Add the path where mysqld will find udf_example.so
@@ -2018,6 +2025,16 @@ sub remove_stale_vardir () {
       mtr_verbose("Removing $opt_vardir/");
       rmtree("$opt_vardir/");
     }
+
+    if ( $opt_mem )
+    {
+      # A symlink from var/ to $opt_mem will be set up
+      # remove the $opt_mem dir to assure the symlink
+      # won't point at an old directory
+      mtr_verbose("Removing $opt_mem");
+      rmtree($opt_mem);
+    }
+
   }
   else
   {
@@ -3634,7 +3651,7 @@ sub mysqld_arguments ($$$$$) {
     if ( $mysql_version_id <= 50106 )
     {
       # Force mysqld to use log files up until 5.1.6
-      mtr_add_arg($args, "%s--log=%s", $prefix, $master->[0]->{'path_mylog'});
+      mtr_add_arg($args, "%s--log=%s", $prefix, $slave->[0]->{'path_mylog'});
     }
     else
     {
@@ -4516,7 +4533,8 @@ sub run_mysqltest ($) {
   # ----------------------------------------------------------------------
   # export MYSQL_TEST variable containing <path>/mysqltest <args>
   # ----------------------------------------------------------------------
-  $ENV{'MYSQL_TEST'}= "$exe_mysqltest " . join(" ", @$args);
+  $ENV{'MYSQL_TEST'}=
+    mtr_native_path($exe_mysqltest) . " " . join(" ", @$args);
 
   # ----------------------------------------------------------------------
   # Add arguments that should not go into the MYSQL_TEST env var

mysql-test/r/func_sapdb.result

@@ -229,9 +229,7 @@ a
 10000
 select microsecond(19971231235959.01) as a;
 a
-0
-Warnings:
-Warning	1292	Truncated incorrect time value: '19971231235959.01'
+10000
 select date_add("1997-12-31",INTERVAL "10.09" SECOND_MICROSECOND) as a;
 a
 1997-12-31 00:00:10.090000

mysql-test/r/func_time.result

@@ -854,4 +854,8 @@ H
 select last_day('0000-00-00');
 last_day('0000-00-00')
 NULL
+select isnull(week(now() + 0)), isnull(week(now() + 0.2)),
+week(20061108), week(20061108.01), week(20061108085411.000002);
+isnull(week(now() + 0))	isnull(week(now() + 0.2))	week(20061108)	week(20061108.01)	week(20061108085411.000002)
+0	0	45	45	45
 End of 4.1 tests

mysql-test/r/gis.result

@@ -578,7 +578,7 @@ create table t1 select POINT(1,3);
 show create table t1;
 Table	Create Table
 t1	CREATE TABLE `t1` (
-  `POINT(1,3)` longblob NOT NULL
+  `POINT(1,3)` longblob
 ) ENGINE=MyISAM DEFAULT CHARSET=latin1
 drop table t1;
 CREATE TABLE `t1` (`object_id` bigint(20) unsigned NOT NULL default '0', `geo`
@@ -677,3 +677,45 @@ load data infile '../../std_data/bad_gis_data.dat' into table t1;
 ERROR 01000: Data truncated; NULL supplied to NOT NULL column 'b' at row 1
 alter table t1 enable keys;
 drop table t1;
+create table t1 (a int, b blob);
+insert into t1 values (1, ''), (2, NULL), (3, '1');
+select * from t1;
+a	b
+1	
+2	NULL
+3	1
+select
+geometryfromtext(b) IS NULL, geometryfromwkb(b) IS NULL, astext(b) IS NULL, 
+aswkb(b) IS NULL, geometrytype(b) IS NULL, centroid(b) IS NULL,
+envelope(b) IS NULL, startpoint(b) IS NULL, endpoint(b) IS NULL,
+exteriorring(b) IS NULL, pointn(b, 1) IS NULL, geometryn(b, 1) IS NULL,
+interiorringn(b, 1) IS NULL, multipoint(b) IS NULL, isempty(b) IS NULL,
+issimple(b) IS NULL, isclosed(b) IS NULL, dimension(b) IS NULL,
+numgeometries(b) IS NULL, numinteriorrings(b) IS NULL, numpoints(b) IS NULL,
+area(b) IS NULL, glength(b) IS NULL, srid(b) IS NULL, x(b) IS NULL, 
+y(b) IS NULL
+from t1;
+geometryfromtext(b) IS NULL	geometryfromwkb(b) IS NULL	astext(b) IS NULL	aswkb(b) IS NULL	geometrytype(b) IS NULL	centroid(b) IS NULL	envelope(b) IS NULL	startpoint(b) IS NULL	endpoint(b) IS NULL	exteriorring(b) IS NULL	pointn(b, 1) IS NULL	geometryn(b, 1) IS NULL	interiorringn(b, 1) IS NULL	multipoint(b) IS NULL	isempty(b) IS NULL	issimple(b) IS NULL	isclosed(b) IS NULL	dimension(b) IS NULL	numgeometries(b) IS NULL	numinteriorrings(b) IS NULL	numpoints(b) IS NULL	area(b) IS NULL	glength(b) IS NULL	srid(b) IS NULL	x(b) IS NULL	y(b) IS NULL
+1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
+1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
+1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
+select 
+within(b, b) IS NULL, contains(b, b) IS NULL, overlaps(b, b) IS NULL, 
+equals(b, b) IS NULL, disjoint(b, b) IS NULL, touches(b, b) IS NULL, 
+intersects(b, b) IS NULL, crosses(b, b) IS NULL
+from t1;
+within(b, b) IS NULL	contains(b, b) IS NULL	overlaps(b, b) IS NULL	equals(b, b) IS NULL	disjoint(b, b) IS NULL	touches(b, b) IS NULL	intersects(b, b) IS NULL	crosses(b, b) IS NULL
+1	1	1	1	1	1	1	1
+1	1	1	1	1	1	1	1
+1	1	1	1	1	1	1	1
+select 
+point(b, b) IS NULL, linestring(b) IS NULL, polygon(b) IS NULL, multipoint(b) IS NULL, 
+multilinestring(b) IS NULL, multipolygon(b) IS NULL, 
+geometrycollection(b) IS NULL
+from t1;
+point(b, b) IS NULL	linestring(b) IS NULL	polygon(b) IS NULL	multipoint(b) IS NULL	multilinestring(b) IS NULL	multipolygon(b) IS NULL	geometrycollection(b) IS NULL
+0	1	1	1	1	1	1
+1	1	1	1	1	1	1
+0	1	1	1	1	1	1
+drop table t1;
+End of 4.1 tests

mysql-test/r/mysqltest.result

@@ -210,7 +210,6 @@ source database
 "MySQL: The world's most popular ;open source database"
 echo message echo message
 
-mysqltest: At line 1: Empty variable
 mysqltest: At line 1: command "false" failed
 mysqltest: At line 1: Missing argument in exec
 MySQL
@@ -507,8 +506,10 @@ drop table t1;
 mysqltest: At line 1: Missing required argument 'filename' to command 'remove_file'
 mysqltest: At line 1: Missing required argument 'filename' to command 'write_file'
 mysqltest: At line 1: End of file encountered before 'EOF' delimiter was found
-mysqltest: At line 1: End of line junk detected: "write_file filename ";
-"
+Some data
+for cat_file command
+of mysqltest
+mysqltest: At line 1: Failed to open file non_existing_file
 mysqltest: At line 1: Missing required argument 'filename' to command 'file_exists'
 mysqltest: At line 1: Missing required argument 'from_file' to command 'copy_file'
 mysqltest: At line 1: Missing required argument 'to_file' to command 'copy_file'

mysql-test/r/order_by.result

@@ -847,6 +847,30 @@ num	(select num + 2 FROM t1 LIMIT 1)
 SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
 ERROR 42S22: Unknown column 'num' in 'on clause'
 DROP TABLE t1;
+CREATE TABLE bug25126 (
+val int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+UPDATE bug25126 SET MissingCol = MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'field list'
+UPDATE bug25126 SET val = val ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET val = val ORDER BY val;
+UPDATE bug25126 SET val = 1 ORDER BY val;
+UPDATE bug25126 SET val = 1 ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET val = 1 ORDER BY val, MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET val = MissingCol ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET MissingCol = 1 ORDER BY val, MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET MissingCol = 1 ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET MissingCol = val ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+UPDATE bug25126 SET MissingCol = MissingCol ORDER BY MissingCol;
+ERROR 42S22: Unknown column 'MissingCol' in 'order clause'
+DROP TABLE bug25126;
 CREATE TABLE t1 (a int);
 SELECT p.a AS val, q.a AS val1 FROM t1 p, t1 q ORDER BY val > 1;
 val	val1

mysql-test/t/func_time.test

@@ -492,4 +492,11 @@ union
 
 select last_day('0000-00-00');
 
+#
+# Bug 23616: datetime functions with double argumets
+#
+
+select isnull(week(now() + 0)), isnull(week(now() + 0.2)),
+  week(20061108), week(20061108.01), week(20061108085411.000002);
+
 --echo End of 4.1 tests

mysql-test/t/gis.test

@@ -377,4 +377,38 @@ load data infile '../../std_data/bad_gis_data.dat' into table t1;
 alter table t1 enable keys;
 drop table t1;
 
-# End of 4.1 tests
+#
+# Bug #26038: is null and bad data
+#
+
+create table t1 (a int, b blob);
+insert into t1 values (1, ''), (2, NULL), (3, '1');
+select * from t1;
+
+select
+  geometryfromtext(b) IS NULL, geometryfromwkb(b) IS NULL, astext(b) IS NULL, 
+  aswkb(b) IS NULL, geometrytype(b) IS NULL, centroid(b) IS NULL,
+  envelope(b) IS NULL, startpoint(b) IS NULL, endpoint(b) IS NULL,
+  exteriorring(b) IS NULL, pointn(b, 1) IS NULL, geometryn(b, 1) IS NULL,
+  interiorringn(b, 1) IS NULL, multipoint(b) IS NULL, isempty(b) IS NULL,
+  issimple(b) IS NULL, isclosed(b) IS NULL, dimension(b) IS NULL,
+  numgeometries(b) IS NULL, numinteriorrings(b) IS NULL, numpoints(b) IS NULL,
+  area(b) IS NULL, glength(b) IS NULL, srid(b) IS NULL, x(b) IS NULL, 
+  y(b) IS NULL
+from t1;
+
+select 
+  within(b, b) IS NULL, contains(b, b) IS NULL, overlaps(b, b) IS NULL, 
+  equals(b, b) IS NULL, disjoint(b, b) IS NULL, touches(b, b) IS NULL, 
+  intersects(b, b) IS NULL, crosses(b, b) IS NULL
+from t1;
+
+select 
+  point(b, b) IS NULL, linestring(b) IS NULL, polygon(b) IS NULL, multipoint(b) IS NULL, 
+  multilinestring(b) IS NULL, multipolygon(b) IS NULL, 
+  geometrycollection(b) IS NULL
+from t1;
+
+drop table t1;
+
+--echo End of 4.1 tests

mysql-test/t/mysqltest.test

@@ -552,8 +552,8 @@ echo ;
 
 # Illegal use of echo
 
---error 1
---exec echo "echo \$;" | $MYSQL_TEST 2>&1
+#--error 1
+#--exec echo "echo \$;" | $MYSQL_TEST 2>&1
 
 
 # ----------------------------------------------------------------------------
@@ -1469,8 +1469,8 @@ remove_file non_existing_file;
 --error 1
 --exec echo "write_file filename ;" | $MYSQL_TEST 2>&1
 
---error 1
---exec echo "write_file filename \";" | $MYSQL_TEST 2>&1
+#--error 1
+#--exec echo "write_file filename \";" | $MYSQL_TEST 2>&1
 
 write_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
 Content for test_file1
@@ -1484,6 +1484,74 @@ END_DELIMITER
 file_exists $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
 remove_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
 
+# ----------------------------------------------------------------------------
+# test for append_file
+# ----------------------------------------------------------------------------
+
+write_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+Content for test_file1
+EOF
+file_exists $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+
+append_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+Appended text
+EOF
+file_exists $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+
+remove_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+append_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+Appended text on nonexisting file
+EOF
+
+# ----------------------------------------------------------------------------
+# test for cat_file
+# ----------------------------------------------------------------------------
+
+--write_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp
+Some data
+for cat_file command
+of mysqltest
+EOF
+cat_file $MYSQLTEST_VARDIR/tmp/test_file1.tmp;
+
+--error 1
+--exec echo "cat_file non_existing_file;" | $MYSQL_TEST 2>&1
+
+# ----------------------------------------------------------------------------
+# test for diff_files
+# ----------------------------------------------------------------------------
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff1.tmp
+Some data
+for diff_file command
+of mysqltest
+EOF
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff2.tmp
+Some data
+for diff_file command
+of mysqltest
+EOF
+
+--write_file $MYSQLTEST_VARDIR/tmp/diff3.tmp
+Some other data
+for diff_file command
+of mysqltest
+EOF
+
+# Compare equal files
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+--diff_files $MYSQLTEST_VARDIR/tmp/diff2.tmp $MYSQLTEST_VARDIR/tmp/diff1.tmp
+
+# Compare files that differ
+--error 1
+--diff_files $MYSQLTEST_VARDIR/tmp/diff3.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+--error 1
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff3.tmp
+
+# Compare equal files, again...
+--diff_files $MYSQLTEST_VARDIR/tmp/diff1.tmp $MYSQLTEST_VARDIR/tmp/diff2.tmp
+
 # ----------------------------------------------------------------------------
 # test for file_exist
 # ----------------------------------------------------------------------------

mysql-test/t/order_by.test

@@ -575,6 +575,35 @@ SELECT a + 1 AS num, (select num + 2 FROM t1 LIMIT 1) FROM t1;
 SELECT a.a + 1 AS num FROM t1 a JOIN t1 b ON num = b.a;
 DROP TABLE t1;
 
+#
+# Bug#25126: Reference to non-existant column in UPDATE...ORDER BY... 
+#       crashes server
+#
+CREATE TABLE bug25126 (
+  val int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY
+);
+--error 1054
+UPDATE bug25126 SET MissingCol = MissingCol;
+--error 1054
+UPDATE bug25126 SET val = val ORDER BY MissingCol;
+UPDATE bug25126 SET val = val ORDER BY val;
+UPDATE bug25126 SET val = 1 ORDER BY val;
+--error 1054
+UPDATE bug25126 SET val = 1 ORDER BY MissingCol;
+--error 1054
+UPDATE bug25126 SET val = 1 ORDER BY val, MissingCol;
+--error 1054
+UPDATE bug25126 SET val = MissingCol ORDER BY MissingCol;
+--error 1054
+UPDATE bug25126 SET MissingCol = 1 ORDER BY val, MissingCol;
+--error 1054
+UPDATE bug25126 SET MissingCol = 1 ORDER BY MissingCol;
+--error 1054
+UPDATE bug25126 SET MissingCol = val ORDER BY MissingCol;
+--error 1054
+UPDATE bug25126 SET MissingCol = MissingCol ORDER BY MissingCol;
+DROP TABLE bug25126;
+
 #
 # Bug #25427: crash when order by expression contains a name
 #             that cannot be resolved unambiguously               

sql-common/my_time.c

@@ -145,7 +145,7 @@ str_to_datetime(const char *str, uint length, MYSQL_TIME *l_time,
   digits= (uint) (pos-str);
   start_loop= 0;                                /* Start of scan loop */
   date_len[format_position[0]]= 0;              /* Length of year field */
-  if (pos == end)
+  if (pos == end || *pos == '.')
   {
     /* Found date in internal format (only numbers like YYYYMMDD) */
     year_length= (digits == 4 || digits == 8 || digits >= 14) ? 4 : 2;

sql/Makefile.am

@@ -142,7 +142,8 @@ sql_yacc.o:	sql_yacc.cc sql_yacc.h $(HEADERS)
 # this avoid the rebuild of the built files in a source dist
 lex_hash.h:	gen_lex_hash.cc lex.h
 		$(MAKE) $(AM_MAKEFLAGS) gen_lex_hash$(EXEEXT)
-		./gen_lex_hash$(EXEEXT) > $@
+		./gen_lex_hash$(EXEEXT) > $@-t
+		$(MV) $@-t $@
 
 # For testing of udf_example.so;  Works on platforms with gcc
 # (This is not part of our build process but only provided as an example)

sql/item.cc

@@ -1774,7 +1774,18 @@ bool Item_field::fix_fields(THD *thd, TABLE_LIST *tables, Item **ref)
              use the field from the Item_field in the select list and leave
              the Item_field instance in place.
             */
-            set_field((*((Item_field**)res))->field);
+
+            Field *field= (*((Item_field**)res))->field;
+
+            if (field == NULL)
+            {
+              /* The column to which we link isn't valid. */
+              my_error(ER_BAD_FIELD_ERROR, MYF(0), (*res)->name, 
+                       current_thd->where);
+              return(1);
+            }
+
+            set_field(field);
             return 0;
           }
           else

sql/item_geofunc.cc

@@ -30,6 +30,7 @@ void Item_geometry_func::fix_length_and_dec()
   collation.set(&my_charset_bin);
   decimals=0;
   max_length=MAX_BLOB_WIDTH;
+  maybe_null= 1;
 }
 
 
@@ -109,6 +110,7 @@ String *Item_func_as_wkt::val_str(String *str)
 void Item_func_as_wkt::fix_length_and_dec()
 {
   max_length=MAX_BLOB_WIDTH;
+  maybe_null= 1;
 }
 
 
@@ -356,7 +358,8 @@ String *Item_func_spatial_collection::val_str(String *str)
   for (i= 0; i < arg_count; ++i)
   {
     String *res= args[i]->val_str(&arg_value);
-    if (args[i]->null_value)
+    uint32 len;
+    if (args[i]->null_value || ((len= res->length()) < WKB_HEADER_SIZE))
       goto err;
 
     if (coll_type == Geometry::wkb_geometrycollection)
@@ -365,13 +368,12 @@ String *Item_func_spatial_collection::val_str(String *str)
 	In the case of GeometryCollection we don't need any checkings
 	for item types, so just copy them into target collection
       */
-      if (str->append(res->ptr(), res->length(), (uint32) 512))
+      if (str->append(res->ptr(), len, (uint32) 512))
         goto err;
     }
     else
     {
       enum Geometry::wkbType wkb_type;
-      uint32 len=res->length();
       const char *data= res->ptr() + 1;
 
       /*
@@ -379,8 +381,6 @@ String *Item_func_spatial_collection::val_str(String *str)
 	are of specific type, let's do this checking now
       */
 
-      if (len < 5)
-        goto err;
       wkb_type= (Geometry::wkbType) uint4korr(data);
       data+= 4;
       len-= 5;
@@ -503,8 +503,12 @@ longlong Item_func_isempty::val_int()
 {
   DBUG_ASSERT(fixed == 1);
   String tmp;
-  null_value=0;
-  return args[0]->null_value ? 1 : 0;
+  String *swkb= args[0]->val_str(&tmp);
+  Geometry_buffer buffer;
+  
+  null_value= args[0]->null_value ||
+              !(Geometry::construct(&buffer, swkb->ptr(), swkb->length()));
+  return null_value ? 1 : 0;
 }
 
 
@@ -512,10 +516,11 @@ longlong Item_func_issimple::val_int()
 {
   DBUG_ASSERT(fixed == 1);
   String tmp;
-  String *wkb=args[0]->val_str(&tmp);
+  String *swkb= args[0]->val_str(&tmp);
+  Geometry_buffer buffer;
   
-  if ((null_value= (!wkb || args[0]->null_value)))
-    return 0;
+  null_value= args[0]->null_value ||
+              !(Geometry::construct(&buffer, swkb->ptr(), swkb->length()));
   /* TODO: Ramil or Holyfoot, add real IsSimple calculation */
   return 0;
 }

sql/item_geofunc.h

@@ -33,6 +33,7 @@ public:
   Item_geometry_func(List<Item> &list) :Item_str_func(list) {}
   void fix_length_and_dec();
   enum_field_types field_type() const  { return MYSQL_TYPE_GEOMETRY; }
+  bool is_null() { (void) val_int(); return null_value; }
 };
 
 class Item_func_geometry_from_text: public Item_geometry_func
@@ -80,6 +81,7 @@ public:
   void fix_length_and_dec() 
   {
      max_length=20; // "GeometryCollection" is the most long
+     maybe_null= 1;
   };
 };
 
@@ -221,6 +223,8 @@ public:
     }
     }
   void print(String *str) { Item_func::print(str); }
+  void fix_length_and_dec() { maybe_null= 1; }
+  bool is_null() { (void) val_int(); return null_value; }
 };
 
 class Item_func_isempty: public Item_bool_func
@@ -230,6 +234,7 @@ public:
   longlong val_int();
   optimize_type select_optimize() const { return OPTIMIZE_NONE; }
   const char *func_name() const { return "isempty"; }
+  void fix_length_and_dec() { maybe_null= 1; }
 };
 
 class Item_func_issimple: public Item_bool_func
@@ -239,6 +244,7 @@ public:
   longlong val_int();
   optimize_type select_optimize() const { return OPTIMIZE_NONE; }
   const char *func_name() const { return "issimple"; }
+  void fix_length_and_dec() { maybe_null= 1; }
 };
 
 class Item_func_isclosed: public Item_bool_func
@@ -248,6 +254,7 @@ public:
   longlong val_int();
   optimize_type select_optimize() const { return OPTIMIZE_NONE; }
   const char *func_name() const { return "isclosed"; }
+  void fix_length_and_dec() { maybe_null= 1; }
 };
 
 class Item_func_dimension: public Item_int_func
@@ -257,7 +264,7 @@ public:
   Item_func_dimension(Item *a): Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "dimension"; }
-  void fix_length_and_dec() { max_length=10; }
+  void fix_length_and_dec() { max_length= 10; maybe_null= 1; }
 };
 
 class Item_func_x: public Item_real_func
@@ -267,6 +274,11 @@ public:
   Item_func_x(Item *a): Item_real_func(a) {}
   double val();
   const char *func_name() const { return "x"; }
+  void fix_length_and_dec() 
+  { 
+    Item_real_func::fix_length_and_dec();
+    maybe_null= 1; 
+  }
 };
 
 
@@ -277,6 +289,11 @@ public:
   Item_func_y(Item *a): Item_real_func(a) {}
   double val();
   const char *func_name() const { return "y"; }
+  void fix_length_and_dec() 
+  { 
+    Item_real_func::fix_length_and_dec();
+    maybe_null= 1; 
+  }
 };
 
 
@@ -287,7 +304,7 @@ public:
   Item_func_numgeometries(Item *a): Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "numgeometries"; }
-  void fix_length_and_dec() { max_length=10; }
+  void fix_length_and_dec() { max_length= 10; maybe_null= 1; }
 };
 
 
@@ -298,7 +315,7 @@ public:
   Item_func_numinteriorring(Item *a): Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "numinteriorrings"; }
-  void fix_length_and_dec() { max_length=10; }
+  void fix_length_and_dec() { max_length= 10; maybe_null= 1; }
 };
 
 
@@ -309,7 +326,7 @@ public:
   Item_func_numpoints(Item *a): Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "numpoints"; }
-  void fix_length_and_dec() { max_length=10; }
+  void fix_length_and_dec() { max_length= 10; maybe_null= 1; }
 };
 
 
@@ -320,6 +337,11 @@ public:
   Item_func_area(Item *a): Item_real_func(a) {}
   double val();
   const char *func_name() const { return "area"; }
+  void fix_length_and_dec() 
+  { 
+    Item_real_func::fix_length_and_dec();
+    maybe_null= 1; 
+  }
 };
 
 
@@ -330,6 +352,11 @@ public:
   Item_func_glength(Item *a): Item_real_func(a) {}
   double val();
   const char *func_name() const { return "glength"; }
+  void fix_length_and_dec() 
+  { 
+    Item_real_func::fix_length_and_dec();
+    maybe_null= 1; 
+  }
 };
 
 
@@ -340,7 +367,7 @@ public:
   Item_func_srid(Item *a): Item_int_func(a) {}
   longlong val_int();
   const char *func_name() const { return "srid"; }
-  void fix_length_and_dec() { max_length= 10; }
+  void fix_length_and_dec() { max_length= 10; maybe_null= 1; }
 };
 
 #define GEOM_NEW(obj_constructor) new obj_constructor

sql/mysqld.cc

@@ -1933,7 +1933,10 @@ static void check_data_home(const char *path)
 
 extern "C" sig_handler handle_segfault(int sig)
 {
+  time_t curr_time;
+  struct tm tm;
   THD *thd=current_thd;
+
   /*
     Strictly speaking, one needs a mutex here
     but since we have got SIGSEGV already, things are a mess
@@ -1947,11 +1950,17 @@ extern "C" sig_handler handle_segfault(int sig)
   }
 
   segfaulted = 1;
+
+  curr_time= time(NULL);
+  localtime_r(&curr_time, &tm);
+
   fprintf(stderr,"\
-mysqld got signal %d;\n\
+%02d%02d%02d %2d:%02d:%02d - mysqld got signal %d;\n\
 This could be because you hit a bug. It is also possible that this binary\n\
 or one of the libraries it was linked against is corrupt, improperly built,\n\
 or misconfigured. This error can also be caused by malfunctioning hardware.\n",
+          tm.tm_year % 100, tm.tm_mon+1, tm.tm_mday,
+          tm.tm_hour, tm.tm_min, tm.tm_sec,
 	  sig);
   fprintf(stderr, "\
 We will try our best to scrape up some info that will hopefully help diagnose\n\

sql/spatial.cc

@@ -210,23 +210,24 @@ static uint32 wkb_get_uint(const char *ptr, Geometry::wkbByteOrder bo)
 }
 
 
-int Geometry::create_from_wkb(Geometry_buffer *buffer,
+Geometry *Geometry::create_from_wkb(Geometry_buffer *buffer,
                                     const char *wkb, uint32 len, String *res)
 {
   uint32 geom_type;
   Geometry *geom;
 
   if (len < WKB_HEADER_SIZE)
-    return 1;
+    return NULL;
   geom_type= wkb_get_uint(wkb+1, (wkbByteOrder)wkb[0]);
   if (!(geom= create_by_typeid(buffer, (int) geom_type)) ||
       res->reserve(WKB_HEADER_SIZE, 512))
-    return 1;
+    return NULL;
 
   res->q_append((char) wkb_ndr);
   res->q_append(geom_type);
-  return geom->init_from_wkb(wkb+WKB_HEADER_SIZE, len - WKB_HEADER_SIZE,
-                             (wkbByteOrder) wkb[0], res);
+
+  return geom->init_from_wkb(wkb + WKB_HEADER_SIZE, len - WKB_HEADER_SIZE,
+                             (wkbByteOrder) wkb[0], res) ? geom : NULL;
 }
 
 

sql/spatial.h

@@ -244,8 +244,8 @@ public:
   static Geometry *create_from_wkt(Geometry_buffer *buffer,
 				   Gis_read_stream *trs, String *wkt,
 				   bool init_stream=1);
-  static int create_from_wkb(Geometry_buffer *buffer,
-                             const char *wkb, uint32 len, String *res);
+  static Geometry *create_from_wkb(Geometry_buffer *buffer, const char *wkb, 
+                                   uint32 len, String *res);
   int as_wkt(String *wkt, const char **end)
   {
     uint32 len= get_class_info()->m_name.length;