Merge with 4.0.18

BitKeeper/etc/ignore:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
mysql-test/r/ctype_tis620.result-old:
  Merge rename: mysql-test/r/ctype_tis620.result -> mysql-test/r/ctype_tis620.result-old
BUILD/compile-pentium-max:
  Auto merged
BitKeeper/etc/config:
  Auto merged
Build-tools/Bootstrap:
  Auto merged
Build-tools/Do-compile:
  Auto merged
configure.in:
  Auto merged
mysql-test/t/ctype_tis620.test-old:
  Merge rename: mysql-test/t/ctype_tis620.test -> mysql-test/t/ctype_tis620.test-old
Docs/Makefile.am:
  Auto merged
client/mysqldump.c:
  Auto merged
client/mysqltest.c:
  Auto merged
include/my_global.h:
  Auto merged
include/my_pthread.h:
  Auto merged
include/my_sys.h:
  Auto merged
include/myisam.h:
  Auto merged
innobase/btr/btr0cur.c:
  Auto merged
innobase/ibuf/ibuf0ibuf.c:
  Auto merged
innobase/include/dict0dict.h:
  Auto merged
innobase/include/srv0srv.h:
  Auto merged
innobase/include/ut0mem.h:
  Auto merged
innobase/log/log0log.c:
  Auto merged
innobase/row/row0ins.c:
  Auto merged
innobase/row/row0sel.c:
  Auto merged
innobase/srv/srv0start.c:
  Auto merged
innobase/ut/ut0mem.c:
  Auto merged
myisam/mi_check.c:
  Auto merged
myisam/mi_dynrec.c:
  Auto merged
myisam/mi_key.c:
  Auto merged
myisam/myisam_ftdump.c:
  Auto merged
myisam/myisamdef.h:
  Auto merged
mysql-test/mysql-test-run.sh:
  Auto merged
mysql-test/r/alter_table.result:
  Auto merged
mysql-test/r/bdb.result:
  Auto merged
mysql-test/r/bigint.result:
  Auto merged
mysql-test/r/fulltext.result:
  Auto merged

1 files changed, 10 insertions, 3 deletions

diff --git a/sql/sql_insert.cc b/sql/sql_insert.cc
index 58c3d143a4f..6ed3dca63e3 100644
--- a/sql/sql_insert.cc
+++ b/sql/sql_insert.cc
@@ -534,7 +534,14 @@ int write_record(TABLE *table,COPY_INFO *info)
       }
       else /* DUP_REPLACE */
       {
-        if (last_uniq_key(table,key_nr))
+	/*
+	  The manual defines the REPLACE semantics that it is either
+	  an INSERT or DELETE(s) + INSERT; FOREIGN KEY checks in
+	  InnoDB do not function in the defined way if we allow MySQL
+	  to convert the latter operation internally to an UPDATE.
+	*/
+	if (last_uniq_key(table,key_nr) &&
+	    !table->file->referenced_by_foreign_key())
         {
           if ((error=table->file->update_row(table->record[1],
 					     table->record[0])))
@@ -1552,8 +1559,8 @@ select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
   DBUG_ENTER("select_create::prepare");
 
   unit= u;
-  table=create_table_from_items(thd, create_info, db, name,
-				extra_fields, keys, &values, &lock);
+  table= create_table_from_items(thd, create_info, db, name,
+				 extra_fields, keys, &values, &lock);
   if (!table)
     DBUG_RETURN(-1);				// abort() deletes table