first cut of WL#3337 (New event scheduler locking infrastructure).

Infrastructure built. Added the  foreseen files and change Makefile.am/CMakeLists.txt
accordingly.

libmysqld/Makefile.am

@@ -68,7 +68,8 @@ sqlsources = derror.cc field.cc field_conv.cc strfunc.cc filesort.cc \
 	spatial.cc gstream.cc sql_help.cc tztime.cc sql_cursor.cc \
 	sp_head.cc sp_pcontext.cc sp.cc sp_cache.cc sp_rcontext.cc \
 	parse_file.cc sql_view.cc sql_trigger.cc my_decimal.cc \
-	event_scheduler.cc events.cc event_timed.cc \
+	event_scheduler.cc events.cc event_data_objects.cc \
+        event_queue.cc event_db_repository.cc \
 	rpl_filter.cc sql_partition.cc sql_builtin.cc sql_plugin.cc \
 	sql_tablespace.cc \
 	rpl_injector.cc my_user.c partition_info.cc

sql/CMakeLists.txt

@@ -51,7 +51,8 @@ ADD_EXECUTABLE(mysqld ../sql-common/client.c derror.cc des_key_file.cc
                sql_table.cc sql_test.cc sql_trigger.cc sql_udf.cc sql_union.cc
                sql_update.cc sql_view.cc strfunc.cc table.cc thr_malloc.cc 
                time.cc tztime.cc uniques.cc unireg.cc item_xmlfunc.cc 
-               rpl_tblmap.cc sql_binlog.cc event_scheduler.cc event_timed.cc 
+               rpl_tblmap.cc sql_binlog.cc event_scheduler.cc event_data_objects.cc
+               event_queue.cc event_db_repository.cc 
                sql_tablespace.cc events.cc ../sql-common/my_user.c 
                partition_info.cc
                ${PROJECT_SOURCE_DIR}/sql/sql_yacc.cc

sql/Makefile.am

@@ -65,7 +65,8 @@ noinst_HEADERS =	item.h item_func.h item_sum.h item_cmpfunc.h \
 			sp_head.h sp_pcontext.h sp_rcontext.h sp.h sp_cache.h \
 			parse_file.h sql_view.h	sql_trigger.h \
 			sql_array.h sql_cursor.h events.h events_priv.h \
-			sql_plugin.h authors.h sql_partition.h event_timed.h \
+			sql_plugin.h authors.h sql_partition.h event_data_objects.h \
+                        event_queue.h event_db_repository.h \
 			partition_info.h partition_element.h event_scheduler.h \
 			contributors.h
 mysqld_SOURCES =	sql_lex.cc sql_handler.cc sql_partition.cc \
@@ -104,7 +105,8 @@ mysqld_SOURCES =	sql_lex.cc sql_handler.cc sql_partition.cc \
 			tztime.cc my_time.c my_user.c my_decimal.cc\
 			sp_head.cc sp_pcontext.cc  sp_rcontext.cc sp.cc \
 			sp_cache.cc parse_file.cc sql_trigger.cc \
-                        event_scheduler.cc events.cc event_timed.cc \
+                        event_scheduler.cc events.cc event_data_objects.cc \
+                        event_queue.cc event_db_repository.cc \
 			sql_plugin.cc sql_binlog.cc \
 			sql_builtin.cc sql_tablespace.cc partition_info.cc
 

sql/event_timed.cc → sql/event_data_objects.cc

@@ -18,7 +18,7 @@
 #include "mysql_priv.h"
 #include "events_priv.h"
 #include "events.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 #include "sp_head.h"
 
 

sql/event_timed.h → sql/event_data_objects.h

-#ifndef _EVENT_TIMED_H_
-#define _EVENT_TIMED_H_
+#ifndef _EVENT_DATA_OBJECTS_H_
+#define _EVENT_DATA_OBJECTS_H_
 /* Copyright (C) 2004-2006 MySQL AB
 
    This program is free software; you can redistribute it and/or modify
@@ -41,6 +41,7 @@
 
 
 class sp_head;
+class Sql_alloc;
 
 class Event_timed
 {
@@ -213,5 +214,89 @@ public:
   void
   set_thread_id(ulong tid) { thread_id= tid; }
 };
- 
-#endif /* _EVENT_H_ */
+
+
+class Event_parse_data : public Sql_alloc
+{
+  Event_parse_data(const Event_parse_data &);	/* Prevent use of these */
+  void operator=(Event_parse_data &);
+
+public:
+  enum enum_status
+  {
+    ENABLED = 1,
+    DISABLED
+  };
+
+  enum enum_on_completion
+  {
+    ON_COMPLETION_DROP = 1,
+    ON_COMPLETION_PRESERVE
+  };
+
+  enum enum_on_completion on_completion;
+  enum enum_status status;
+
+  const uchar *body_begin;
+
+  LEX_STRING dbname;
+  LEX_STRING name;
+  LEX_STRING body;
+
+  LEX_STRING definer_user;
+  LEX_STRING definer_host;
+  LEX_STRING definer;// combination of user and host
+
+  LEX_STRING comment;
+  Item* item_starts;
+  Item* item_ends;
+  Item* item_execute_at;
+
+  TIME starts;
+  TIME ends;
+  TIME execute_at;
+  my_bool starts_null;
+  my_bool ends_null;
+  my_bool execute_at_null;
+
+  Item* item_expression;
+  Item* item_interval;
+  longlong expression;
+  interval_type interval;
+
+//  ulonglong created;
+//  ulonglong modified;
+
+  static Event_parse_data *
+  new_instance(THD *thd);
+
+  Event_parse_data() {}
+  ~Event_parse_data() {}
+
+  int
+  init_definer(THD *thd);
+
+  int
+  init_execute_at(THD *thd, Item *expr);
+
+  int
+  init_interval(THD *thd, Item *expr, interval_type new_interval);
+
+  void
+  init_name(THD *thd, sp_name *spn);
+
+  int
+  init_starts(THD *thd, Item *starts);
+
+  int
+  init_ends(THD *thd, Item *ends);
+
+  void
+  init_body(THD *thd);
+
+  void
+  init_comment(THD *thd, LEX_STRING *set_comment);
+
+};
+
+#endif /* _EVENT_DATA_OBJECTS_H_ */

sql/event_db_repository.cc

+/* Copyright (C) 2004-2006 MySQL 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 */
+
+#include "mysql_priv.h"
+#include "event_db_repository.h"
+#include "event_data_objects.h"

sql/event_db_repository.h

+#ifndef _EVENT_DB_REPOSITORY_H_
+#define _EVENT_DB_REPOSITORY_H_
+/* Copyright (C) 2004-2006 MySQL 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 */
+
+ 
+#endif /* _EVENT_DB_REPOSITORY_H_ */

sql/event_queue.cc

+/* Copyright (C) 2004-2006 MySQL 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 */
+
+#include "mysql_priv.h"
+#include "event_queue.h"
+#include "event_data_objects.h"

sql/event_queue.h

+#ifndef _EVENT_QUEUE_H_
+#define _EVENT_QUEUE_H_
+/* Copyright (C) 2004-2006 MySQL 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 */
+
+ 
+#endif /* _EVENT_QUEUE_H_ */

sql/event_scheduler.cc

@@ -17,7 +17,7 @@
 #include "mysql_priv.h"
 #include "events_priv.h"
 #include "events.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 #include "event_scheduler.h"
 #include "sp_head.h"
 

sql/events.cc

@@ -17,7 +17,7 @@
 #include "mysql_priv.h"
 #include "events_priv.h"
 #include "events.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 #include "event_scheduler.h"
 #include "sp.h"
 #include "sp_head.h"

sql/share/errmsg.txt

@@ -5839,3 +5839,6 @@ ER_CANT_ACTIVATE_LOG
         eng "Cannot activate '%-.64s' log."
 ER_RBR_NOT_AVAILABLE
         eng "The server was not built with row-based replication"
+ER_EVENT_RECURSIVITY_FORBIDDEN
+        eng "Recursivity of EVENT DDL statements is forbidden when body is present"
+

sql/sql_parse.cc

@@ -27,7 +27,7 @@
 #include "sp.h"
 #include "sp_cache.h"
 #include "events.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 
 #ifdef HAVE_OPENSSL
 /*

sql/sql_show.cc

@@ -27,7 +27,7 @@
 #include "authors.h"
 #include "contributors.h"
 #include "events.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 #include <my_dir.h>
 
 #ifdef WITH_PARTITION_STORAGE_ENGINE

sql/sql_yacc.yy

@@ -38,7 +38,7 @@
 #include "sp_pcontext.h"
 #include "sp_rcontext.h"
 #include "sp.h"
-#include "event_timed.h"
+#include "event_data_objects.h"
 #include <myisam.h>
 #include <myisammrg.h>