Manual merge of fix for bug #9913 into 5.0 tree.

mysql-test/t/range.test:
  Auto merged
scripts/mysql_install_db.sh:
  Auto merged
sql/item_func.h:
  Auto merged
sql/item_sum.cc:
  Auto merged
sql/item_sum.h:
  Auto merged
sql/sql_udf.h:
  Auto merged
mysql-test/r/mysqldump.result:
  Manual merge.
mysql-test/t/mysqldump.test:
  Manual merge.

cmd-line-utils/libedit/Makefile.am

@@ -24,7 +24,7 @@ pkginclude_HEADERS =	readline/readline.h
 
 noinst_HEADERS =	chared.h el.h el_term.h histedit.h key.h parse.h refresh.h sig.h \
 			sys.h tokenizer.h config.h hist.h map.h prompt.h read.h \
-			search.h tty.h libedit_term.h
+			search.h tty.h libedit_term.h vis.h
 
 EXTRA_DIST = makelist.sh np/unvis.c np/strlcpy.c np/vis.c np/vis.h np/strlcat.c np/fgetln.c
 

mysql-test/t/range.test

+-- source include/have_innodb.inc
+
 #
 # Problem with range optimizer
 #

scripts/mysql_install_db.sh

@@ -11,7 +11,6 @@ in_rpm=0
 windows=0
 defaults=""
 user=""
-tmp_file=/tmp/mysql_install_db.$$
 
 case "$1" in
     --no-defaults|--defaults-file=*|--defaults-extra-file=*)
@@ -223,10 +222,8 @@ then
     then
       echo "Fill help tables"
     fi
-    echo "use mysql;" > $tmp_file
-    cat $tmp_file $fill_help_tables | eval "$mysqld_install_cmd_line"
+    (echo "use mysql;"; cat $fill_help_tables) | eval "$mysqld_install_cmd_line"
     res=$?
-    rm $tmp_file
     if test $res != 0
     then
       echo ""

sql/item_func.cc

@@ -2533,6 +2533,28 @@ longlong Item_func_bit_count::val_int()
 
 #ifdef HAVE_DLOPEN
 
+void udf_handler::cleanup()
+{
+  if (!not_original)
+  {
+    if (initialized)
+    {
+      if (u_d->func_deinit != NULL)
+      {
+        void (*deinit)(UDF_INIT *) = (void (*)(UDF_INIT*))
+        u_d->func_deinit;
+        (*deinit)(&initid);
+      }
+      free_udf(u_d);
+      initialized= FALSE;
+    }
+    if (buffers)				// Because of bug in ecc
+      delete [] buffers;
+    buffers= 0;
+  }
+}
+
+
 bool
 udf_handler::fix_fields(THD *thd, TABLE_LIST *tables, Item_result_field *func,
 			uint arg_count, Item **arguments)
@@ -2805,6 +2827,13 @@ my_decimal *udf_handler::val_decimal(my_bool *null_value, my_decimal *dec_buf)
 }
 
 
+void Item_udf_func::cleanup()
+{
+  udf.cleanup();
+  Item_func::cleanup();
+}
+
+
 double Item_func_udf_float::val_real()
 {
   DBUG_ASSERT(fixed == 1);
@@ -2930,21 +2959,8 @@ String *Item_func_udf_str::val_str(String *str)
 
 udf_handler::~udf_handler()
 {
-  if (!not_original)
-  {
-    if (initialized)
-    {
-      if (u_d->func_deinit != NULL)
-      {
-        void (*deinit)(UDF_INIT *) = (void (*)(UDF_INIT*))
-        u_d->func_deinit;
-        (*deinit)(&initid);
-      }
-      free_udf(u_d);
-    }
-    if (buffers)				// Because of bug in ecc
-      delete [] buffers;
-  }
+  /* Everything should be properly cleaned up by this moment. */
+  DBUG_ASSERT(not_original || !(initialized || buffers));
 }
 
 #else

sql/item_func.h

@@ -879,6 +879,7 @@ class Item_udf_func :public Item_func
     fixed= 1;
     return res;
   }
+  void cleanup();
   Item_result result_type () const { return udf.result_type(); }
   table_map not_null_tables() const { return 0; }
 };

sql/item_sum.cc

@@ -2456,6 +2456,17 @@ bool Item_udf_sum::add()
   DBUG_RETURN(0);
 }
 
+void Item_udf_sum::cleanup()
+{
+  /*
+    udf_handler::cleanup() nicely handles case when we have not
+    original item but one created by copy_or_same() method.
+  */
+  udf.cleanup();
+  Item_sum::cleanup();
+}
+
+
 Item *Item_sum_udf_float::copy_or_same(THD* thd)
 {
   return new (thd->mem_root) Item_sum_udf_float(thd, this);

sql/item_sum.h

@@ -667,6 +667,7 @@ class Item_udf_sum : public Item_sum
   bool add();
   void reset_field() {};
   void update_field() {};
+  void cleanup();
 };
 
 

sql/sql_udf.h

@@ -67,6 +67,7 @@ class udf_handler :public Sql_alloc
   bool get_arguments();
   bool fix_fields(THD *thd,struct st_table_list *tlist,Item_result_field *item,
 		  uint arg_count,Item **args);
+  void cleanup();
   double val(my_bool *null_value)
   {
     if (get_arguments())