diff --git a/Docs/manual.texi b/Docs/manual.texi
index 479eeb7dc69..367591f6039 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -46833,6 +46833,7 @@ 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-3.23.48::                Changes in release 3.23.48
 * News-3.23.47::                Changes in release 3.23.47
 * News-3.23.46::                Changes in release 3.23.46
 * News-3.23.45::                Changes in release 3.23.45
@@ -46884,7 +46885,16 @@ not yet 100% confident in this code.
 * News-3.23.0::                 Changes in release 3.23.0
 @end menu
 
-@node News-3.23.47, News-3.23.46, News-3.23.x, News-3.23.x
+@node News-3.23.48, News-3.23.47, News-3.23.x, News-3.23.x
+@appendixsubsec Changes in release 3.23.48
+@itemize @bullet
+@item
+Fixed bug in complicated join with @code{const} tables.
+@item
+Added internal safety checks for InnoDB.
+@end itemize
+
+@node News-3.23.47, News-3.23.46, News-3.23.48, News-3.23.x
 @appendixsubsec Changes in release 3.23.47
 @itemize @bullet
 @item
diff --git a/mysql-test/r/join.result b/mysql-test/r/join.result
index e48c209fed6..6c7284e4a37 100644
--- a/mysql-test/r/join.result
+++ b/mysql-test/r/join.result
@@ -27,3 +27,7 @@ d	d
 0000-00-00	NULL
 d
 0000-00-00
+COUNT(t1.Title)
+1
+COUNT(t1.Title)
+1
diff --git a/mysql-test/t/join.test b/mysql-test/t/join.test
index 530dcd5fca7..32ce4947b91 100644
--- a/mysql-test/t/join.test
+++ b/mysql-test/t/join.test
@@ -2,7 +2,8 @@
 # This failed for lia Perminov
 #
 
-drop table if exists t1,t2;
+drop table if exists t1,t2,t3;
+
 create table t1 (id int primary key);
 create table t2 (id int);
 insert into t1 values (75);
@@ -120,3 +121,76 @@ INSERT INTO t1 (d) VALUES ('2001-08-01'),('0000-00-00');
 SELECT * FROM t1 LEFT JOIN t2 USING (d) WHERE t2.d IS NULL;
 SELECT * from t1 WHERE t1.d IS NULL;
 DROP TABLE t1,t2;
+
+#
+# Problem with reference from const tables
+#
+CREATE TABLE t1 (
+  Document_ID varchar(50) NOT NULL default '',
+  Contractor_ID varchar(6) NOT NULL default '',
+  Language_ID char(3) NOT NULL default '',
+  Expiration_Date datetime default NULL,
+  Publishing_Date datetime default NULL,
+  Title text,
+  Column_ID varchar(50) NOT NULL default '',
+  PRIMARY KEY  (Language_ID,Document_ID,Contractor_ID)
+);
+
+INSERT INTO t1 VALUES ('xep80','1','ger','2001-12-31 20:00:00','2001-11-12 10:58:00','Kartenbestellung - jetzt auch online','anle'),('','999998','',NULL,NULL,NULL,'');
+
+CREATE TABLE t2 (
+  Contractor_ID char(6) NOT NULL default '',
+  Language_ID char(3) NOT NULL default '',
+  Document_ID char(50) NOT NULL default '',
+  CanRead char(1) default NULL,
+  Customer_ID int(11) NOT NULL default '0',
+  PRIMARY KEY  (Contractor_ID,Language_ID,Document_ID,Customer_ID)
+);
+
+INSERT INTO t2 VALUES ('5','ger','xep80','1',999999),('1','ger','xep80','1',999999);
+CREATE TABLE t3 (
+  Language_ID char(3) NOT NULL default '',
+  Column_ID char(50) NOT NULL default '',
+  Contractor_ID char(6) NOT NULL default '',
+  CanRead char(1) default NULL,
+  Active char(1) default NULL,
+  PRIMARY KEY  (Language_ID,Column_ID,Contractor_ID)
+);
+INSERT INTO t3 VALUES ('ger','home','1','1','1'),('ger','Test','1','0','0'),('ger','derclu','1','0','0'),('ger','clubne','1','0','0'),('ger','philos','1','0','0'),('ger','clubko','1','0','0'),('ger','clubim','1','1','1'),('ger','progra','1','0','0'),('ger','progvo','1','0','0'),('ger','progsp','1','0','0'),('ger','progau','1','0','0'),('ger','progku','1','0','0'),('ger','progss','1','0','0'),('ger','nachl','1','0','0'),('ger','mitgli','1','0','0'),('ger','mitsu','1','0','0'),('ger','mitbus','1','0','0'),('ger','ergmar','1','1','1'),('ger','home','4','1','1'),('ger','derclu','4','1','1'),('ger','clubne','4','0','0'),('ger','philos','4','1','1'),('ger','clubko','4','1','1'),('ger','clubim','4','1','1'),('ger','progra','4','1','1'),('ger','progvo','4','1','1'),('ger','progsp','4','1','1'),('ger','progau','4','0','0'),('ger','progku','4','1','1'),('ger','progss','4','1','1'),('ger','nachl','4','1','1'),('ger','mitgli','4','0','0'),('ger','mitsu','4','0','0'),('ger','mitbus','4','0','0'),('ger','ergmar','4','1','1'),('ger','progra2','1','0','0'),('ger','archiv','4','1','1'),('ger','anmeld','4','1','1'),('ger','thema','4','1','1'),('ger','edito','4','1','1'),('ger','madis','4','1','1'),('ger','enma','4','1','1'),('ger','madis','1','1','1'),('ger','enma','1','1','1'),('ger','vorsch','4','0','0'),('ger','veranst','4','0','0'),('ger','anle','4','1','1'),('ger','redak','4','1','1'),('ger','nele','4','1','1'),('ger','aukt','4','1','1'),('ger','callcenter','4','1','1'),('ger','anle','1','0','0');
+delete from t1 where Contractor_ID='999998';
+insert into t1 (Contractor_ID) Values ('999998');
+SELECT DISTINCT COUNT(t1.Title) FROM t1,
+t2, t3 WHERE 
+t1.Document_ID='xep80' AND t1.Contractor_ID='1' AND 
+t1.Language_ID='ger' AND '2001-12-21 23:14:24' >= 
+Publishing_Date AND '2001-12-21 23:14:24' <= Expiration_Date AND 
+t1.Document_ID = t2.Document_ID AND 
+t1.Language_ID = t2.Language_ID AND 
+t1.Contractor_ID = t2.Contractor_ID AND ( 
+t2.Customer_ID = '4'  OR 
+t2.Customer_ID = '999999'  OR 
+t2.Customer_ID = '1' )AND t2.CanRead 
+= '1'  AND t1.Column_ID=t3.Column_ID AND 
+t1.Language_ID=t3.Language_ID AND ( 
+t3.Contractor_ID = '4'  OR 
+t3.Contractor_ID = '999999'  OR 
+t3.Contractor_ID = '1') AND 
+t3.CanRead='1' AND t3.Active='1';
+SELECT DISTINCT COUNT(t1.Title) FROM t1,
+t2, t3 WHERE 
+t1.Document_ID='xep80' AND t1.Contractor_ID='1' AND 
+t1.Language_ID='ger' AND '2001-12-21 23:14:24' >= 
+Publishing_Date AND '2001-12-21 23:14:24' <= Expiration_Date AND 
+t1.Document_ID = t2.Document_ID AND 
+t1.Language_ID = t2.Language_ID AND 
+t1.Contractor_ID = t2.Contractor_ID AND ( 
+t2.Customer_ID = '4'  OR 
+t2.Customer_ID = '999999'  OR 
+t2.Customer_ID = '1' )AND t2.CanRead 
+= '1'  AND t1.Column_ID=t3.Column_ID AND 
+t1.Language_ID=t3.Language_ID AND ( 
+t3.Contractor_ID = '4'  OR 
+t3.Contractor_ID = '999999'  OR 
+t3.Contractor_ID = '1') AND 
+t3.CanRead='1' AND t3.Active='1';
+drop table t1,t2,t3;
diff --git a/mysys/hash.c b/mysys/hash.c
index c05379ef4ce..e37bea3846c 100644
--- a/mysys/hash.c
+++ b/mysys/hash.c
@@ -180,7 +180,7 @@ uint calc_hashnr_caseup(const byte *key, uint len)
 #endif
 
 
-#ifndef _FORTREC_
+#ifndef __SUNPRO_C				/* SUNPRO can't handle this */
 inline
 #endif
 uint rec_hashnr(HASH *hash,const byte *record)
diff --git a/scripts/mysql_config.sh b/scripts/mysql_config.sh
index af11957576b..9320efdd2a1 100644
--- a/scripts/mysql_config.sh
+++ b/scripts/mysql_config.sh
@@ -58,12 +58,16 @@ fix_path ()
   done
 }
 
-abs_path=`expr \( substr $0 1 1 \) = '/'`
-if [ "x$abs_path" = "x1" ] ; then
- me=$0
-else 
- me=`which $0`
-fi
+get_full_path ()
+{
+  case $1 in
+    /*)	echo "$1";;
+    ./*) tmp=`pwd`/$1; echo $tmp | sed -e 's;/./;/;' ;;
+     *) which $1 ;;
+   esac
+}
+
+me=`get_full_path $0`
 
 basedir=`echo $me | sed -e 's;/bin/mysql_config;;'`
 
@@ -81,6 +85,7 @@ ldflags='@LDFLAGS@'
 client_libs='@CLIENT_LIBS@'
 
 libs="$ldflags -L'$pkglibdir' -lmysqlclient $client_libs"
+libs=`echo $libs | sed -e 's; +;;'`
 cflags="-I'$pkgincludedir'"
 
 usage () {
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index 9ff64780bdd..57053b87fa6 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -1026,14 +1026,13 @@ make_join_statistics(JOIN *join,TABLE_LIST *tables,COND *conds,
     {
       ha_rows records;
       if (!select)
-	select=make_select(s->table,const_table_map,
+	select=make_select(s->table,0,
 			   0,
 			   and_conds(conds,s->on_expr),&error);
       records=get_quick_record_count(select,s->table, s->const_keys);
       s->quick=select->quick;
       s->needed_reg=select->needed_reg;
       select->quick=0;
-      select->read_tables=const_table_map;
       if (records != HA_POS_ERROR)
       {
 	s->found_records=records;