Fixed that IF is case insensitive if 2 and 3 arguments are case insensitive.

Added copyright messages to some files that was missing it.


Docs/manual.texi:
  Changelog
dbug/Makefile.am:
  Added missing dbug_analyze.c
dbug/monty.doc:
  Added copyright message
mysql-test/t/func_test.test:
  Moved test of IF to new file
sql/item_cmpfunc.cc:
  Fixed that IF is case insensitive if 2 and 3 arguments are case insensitive.
strings/bfill.c:
  Added copyright message
strings/bmove.c:
  Added copyright message
strings/ctype-ujis.c:
  Added copyright message
strings/strend.c:
  Added copyright message
strings/strstr.c:
  Added copyright message
strings/strxmov.c:
  Added copyright message
strings/strxnmov.c:
  Added copyright message

Docs/manual.texi

@@ -29916,6 +29916,9 @@ stored into a temporary table) is calculated in MySQL Version
 @item expr2 or expr3 returns an integer @tab integer
 @end multitable
 
+If expr2 and expr3 are strings, then the result is case sensitive if
+both strings are case sensitive. (Starting from 3.23.51)
+
 @findex CASE
 @item CASE value WHEN [compare-value] THEN result [WHEN [compare-value] THEN result ...] [ELSE result] END
 @item CASE WHEN [condition] THEN result [WHEN [condition] THEN result ...] [ELSE result] END
@@ -46854,6 +46857,7 @@ users use this code as the rest of the code and because of this we are
 not yet 100% confident in this code.
 
 @menu
+* News-3.23.51::                
 * News-3.23.50::                Changes in release 3.23.50
 * News-3.23.49::                Changes in release 3.23.49
 * News-3.23.48::                Changes in release 3.23.48
@@ -46908,9 +46912,15 @@ not yet 100% confident in this code.
 * News-3.23.0::                 Changes in release 3.23.0
 @end menu
 
-@node News-3.23.50, News-3.23.49, News-3.23.x, News-3.23.x
-@appendixsubsec Changes in release 3.23.50
+@node News-3.23.51, News-3.23.50, News-3.23.x, News-3.23.x
+@appendixsubsec Changes in release 3.23.51
+@itemize @bullet
+Fixed the result from @code{IF()} is case in-sensitive if the 2 and
+third arguments are case sensitive.
+@end itemize
 
+@node News-3.23.50, News-3.23.49, News-3.23.51, News-3.23.x
+@appendixsubsec Changes in release 3.23.50
 @itemize @bullet
 @item
 Fixed problem with @code{crash-me} and gcc 3.0.4.

dbug/Makefile.am

@@ -20,8 +20,9 @@ LDADD =			libdbug.a ../strings/libmystrings.a
 pkglib_LIBRARIES =	libdbug.a
 noinst_HEADERS =	dbug_long.h
 libdbug_a_SOURCES =	dbug.c sanity.c
-EXTRA_DIST =		example1.c example2.c example3.c user.r monty.doc readme.prof \
-			main.c factorial.c
+EXTRA_DIST =		example1.c example2.c example3.c \
+			user.r monty.doc readme.prof \
+			main.c factorial.c dbug_analyze.c
 
 OMIT_DEPENDENCIES =	pthread.h stdio.h __stdio.h stdlib.h __stdlib.h math.h\
 			__math.h time.h __time.h unistd.h __unistd.h types.h \
@@ -32,7 +33,7 @@ OMIT_DEPENDENCIES =	pthread.h stdio.h __stdio.h stdlib.h __stdlib.h math.h\
 			sleep.h specific.h version.h pwd.h timers.h uio.h \
 			cdefs.h machdep.h signal.h __signal.h util.h
 
-# Must be linked with libs thta are not compiled yet
+# Must be linked with libs that are not compiled yet
 extra_progs: factorial dbug_analyze
 
 factorial: main.o factorial.o

dbug/monty.doc

@@ -10,3 +10,11 @@ giving a double ':'.  (As in "O,c::\tmp\log")
 
 DBUG_DUMP("keyword",memory-position,length) writes a hexdump of the
 given memory-area to the outputfile.
+
+All changes that I or other people at MySQL AB have done to all files
+in the dbug library (Mainly in dbug.c, dbug_analyze.c, dbug_long.h,
+dbug.h) are put in public domain, as the rest of the dbug.c library)
+
+To my knowledge, all code in dbug library are in public domain.
+
+Michael Widenius

mysql-test/t/func_test.test

@@ -11,7 +11,6 @@ select 'abc' like '%c','abcabc' like '%c',  "ab" like "", "ab" like "a", "ab" li
 select "Det här är svenska" regexp "h[[:alpha:]]+r", "aba" regexp "^(a|b)*$";
 select "aba" regexp concat("^","a");
 select !0,NOT 0=1,!(0=0),1 AND 1,1 && 0,0 OR 1,1 || NULL, 1=1 or 1=1 and 1=0;
-select IF(0,"ERROR","this"),IF(1,"is","ERROR"),IF(NULL,"ERROR","a"),IF(1,2,3)|0,IF(1,2.0,3.0)+0 ;
 select 2 between 1 and 3, "monty" between "max" and "my",2=2 and "monty" between "max" and "my" and 3=3;
 select 'b' between 'a' and 'c', 'B' between 'a' and 'c';
 select 2 in (3,2,5,9,5,1),"monty" in ("david","monty","allan"), 1.2 in (1.4,1.2,1.0);
@@ -24,13 +23,3 @@ select -1.49 or -1.49,0.6 or 0.6;
 select 5 between 0 and 10 between 0 and 1,(5 between 0 and 10) between 0 and 1;
 select 1 and 2 between 2 and 10, 2 between 2 and 10 and 1;
 select 1 and 0 or 2, 2 or 1 and 0;
-
-#
-# Problem with IF()
-#
-
-drop table if exists t1;
-create table t1 (num  double(12,2));
-insert into t1 values (144.54);
-select sum(if(num is null,0.00,num)) from t1;
-drop table t1;

sql/item_cmpfunc.cc

@@ -490,8 +490,12 @@ Item_func_if::fix_length_and_dec()
   decimals=max(args[1]->decimals,args[2]->decimals);
   enum Item_result arg1_type=args[1]->result_type();
   enum Item_result arg2_type=args[2]->result_type();
+  binary=1;
   if (arg1_type == STRING_RESULT || arg2_type == STRING_RESULT)
+  {
     cached_result_type = STRING_RESULT;
+    binary=args[1]->binary | args[2]->binary;
+  }
   else if (arg1_type == REAL_RESULT || arg2_type == REAL_RESULT)
     cached_result_type = REAL_RESULT;
   else

strings/bfill.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : bfill.c
     Author : Richard A. O'Keefe.
 	     Michael Widenius;	ifdef MC68000

strings/bmove.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : bmove.c
     Author : Richard A. O'Keefe.
 	     Michael Widenius;	ifdef MC68000

strings/ctype-ujis.c

+/* Copyright (C) 2002 MySQL AB & tommy@valley.ne.jp.
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /* This file is for Japanese EUC charset, and created by tommy@valley.ne.jp.
  */
 

strings/strend.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : strend.c
     Author : Richard A. O'Keefe.
     Updated: 23 April 1984

strings/strstr.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : strstr.c
     Author : Monty
     Updated: 1986.11.24

strings/strxmov.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : strxmov.c
     Author : Richard A. O'Keefe.
     Updated: 25 may 1984

strings/strxnmov.c

+/* Copyright (C) 2002 MySQL AB
+   
+   This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library 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
+   Library General Public License for more details.
+   
+   You should have received a copy of the GNU Library General Public
+   License along with this library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+   MA 02111-1307, USA */
+
 /*  File   : strxnmov.c
     Author : Richard A. O'Keefe.
     Updated: 2 June 1984