1 files changed, 124 insertions, 0 deletions
diff --git a/sql/procedure.h b/sql/procedure.h
new file mode 100644
index 00000000000..7632bf7347c
--- /dev/null
+++ b/sql/procedure.h
@@ -0,0 +1,124 @@
+/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 */
+
+
+/* When using sql procedures */
+
+#ifdef __GNUC__
+#pragma interface				/* gcc class implementation */
+#endif
+
+#define PROC_NO_SORT 1				/* Bits in flags */
+#define PROC_GROUP   2				/* proc must have group */
+
+/* Procedure items used by procedures to store values for send_fields */
+
+class Item_proc :public Item
+{
+public:
+  Item_proc(const char *name_par): Item()
+  {
+     this->name=(char*) name_par;
+  }
+  enum Type type() const { return Item::PROC_ITEM; }
+  virtual void set(double nr)=0;
+  virtual void set(const char *str,uint length)=0;
+  virtual void set(longlong nr)=0;
+  virtual enum_field_types field_type() const=0;
+  void set(const char *str) { set(str,strlen(str)); }
+  void make_field(Send_field *tmp_field)
+  {
+    init_make_field(tmp_field,field_type());
+  }
+};
+
+class Item_proc_real :public Item_proc
+{
+  double value;
+public:
+  Item_proc_real(const char *name_par,uint dec) : Item_proc(name_par)
+  {
+     decimals=dec; max_length=float_length(dec);
+  }
+  enum Item_result result_type () const { return REAL_RESULT; }
+  enum_field_types field_type() const { return FIELD_TYPE_DOUBLE; }
+  void set(double nr) { value=nr; }
+  void set(longlong nr) { value=(double) nr; }
+  void set(const char *str,uint length __attribute__((unused)))
+  { value=atof(str); }
+  double val() { return value; }
+  longlong val_int() { return (longlong) value; }
+  String *val_str(String *s) { s->set(value,decimals); return s; }
+};
+
+class Item_proc_int :public Item_proc
+{
+  longlong value;
+public:
+  Item_proc_int(const char *name_par) :Item_proc(name_par)
+  { max_length=11; }
+  enum Item_result result_type () const { return INT_RESULT; }
+  enum_field_types field_type() const { return FIELD_TYPE_LONG; }
+  void set(double nr) { value=(longlong) nr; }
+  void set(longlong nr) { value=nr; }
+  void set(const char *str,uint length __attribute__((unused)))
+  { value=strtoll(str,NULL,10); }
+  double val() { return (double) value; }
+  longlong val_int() { return value; }
+  String *val_str(String *s) { s->set(value); return s; }
+};
+
+
+class Item_proc_string :public Item_proc
+{
+public:
+  Item_proc_string(const char *name_par,uint length) :Item_proc(name_par)
+    { this->max_length=length; }
+  enum Item_result result_type () const { return STRING_RESULT; }
+  enum_field_types field_type() const { return FIELD_TYPE_STRING; }
+  void set(double nr) { str_value.set(nr); }
+  void set(longlong nr) { str_value.set(nr); }
+  void set(const char *str, uint length) { str_value.copy(str,length); }
+  double val() { return atof(str_value.ptr()); }
+  longlong val_int() { return strtoll(str_value.ptr(),NULL,10); }
+  String *val_str(String*)
+  {
+    return null_value ? (String*) 0 : (String*) &str_value;
+  }
+};
+
+/* The procedure class definitions */
+
+class Procedure {
+protected:
+  List<Item> *fields;
+  select_result *result;
+public:
+  const uint flags;
+  ORDER *group,*param_fields;
+  Procedure(select_result *res,uint flags_par) :result(res),flags(flags_par),
+    group(0),param_fields(0) {}
+  virtual ~Procedure() {group=param_fields=0; fields=0; }
+  virtual void add(void)=0;
+  virtual void end_group(void)=0;
+  virtual int send_row(List<Item> &fields)=0;
+  virtual bool change_columns(List<Item> &fields)=0;
+  virtual void update_refs(void) {}
+  virtual bool end_of_records() { return 0; }
+};
+
+Procedure *setup_procedure(THD *thd,ORDER *proc_param,select_result *result,
+			   List<Item> &field_list,int *error);