Just making commit in order to stop getting erors.

Will do a push when it starts working ..

sql/Makefile.am

@@ -81,7 +81,7 @@ mysqld_SOURCES =	sql_lex.cc sql_handler.cc \
 			sql_udf.cc sql_analyse.cc sql_analyse.h sql_cache.cc \
 			slave.cc sql_repl.cc sql_union.cc \
 			mini_client.cc mini_client_errors.c \
-			stacktrace.c repl_failsafe.h repl_failsafe.cc
+			stacktrace.c repl_failsafe.h repl_failsafe.cc sql_olap.cc
 gen_lex_hash_SOURCES =	gen_lex_hash.cc
 gen_lex_hash_LDADD =	$(LDADD) $(CXXLDFLAGS)
 

sql/lex.h

@@ -98,6 +98,7 @@ static SYMBOL symbols[] = {
   { "CONSTRAINT",	SYM(CONSTRAINT),0,0},
   { "CREATE",		SYM(CREATE),0,0},
   { "CROSS",		SYM(CROSS),0,0},
+  { "CUBE",		SYM(CUBE),0,0},
   { "CURRENT_DATE",	SYM(CURDATE),0,0},
   { "CURRENT_TIME",	SYM(CURTIME),0,0},
   { "CURRENT_TIMESTAMP", SYM(NOW_SYM),0,0},
@@ -303,6 +304,7 @@ static SYMBOL symbols[] = {
   { "RIGHT",		SYM(RIGHT),0,0},
   { "RLIKE",		SYM(REGEXP),0,0},	/* Like in mSQL2 */
   { "ROLLBACK",		SYM(ROLLBACK_SYM),0,0},
+  { "ROLLUP",		SYM(ROLLUP),0,0},
   { "ROW",		SYM(ROW_SYM),0,0},
   { "ROWS",		SYM(ROWS_SYM),0,0},
   { "SECOND",		SYM(SECOND_SYM),0,0},

sql/sql_lex.h

@@ -89,7 +89,12 @@ typedef struct st_lex_master_info
 
 enum sub_select_type
 {
-  UNSPECIFIED_TYPE, UNION_TYPE, INTERSECT_TYPE, EXCEPT_TYPE, NOT_A_SELECT
+  UNSPECIFIED_TYPE, UNION_TYPE, INTERSECT_TYPE, EXCEPT_TYPE, OLAP_TYPE, NOT_A_SELECT
+};
+
+enum olap_type 
+{
+  NON_EXISTING_ONE, CUBE_TYPE, ROLLUP_TYPE
 };
 
 /* The state of the lex parsing for selects */
@@ -97,6 +102,7 @@ enum sub_select_type
 typedef struct st_select_lex
 {
   enum sub_select_type linkage;
+  enum olap_type olap;
   char *db,*db1,*table1,*db2,*table2;		/* For outer join using .. */
   Item *where,*having;
   ha_rows select_limit,offset_limit;
@@ -133,7 +139,7 @@ typedef struct st_lex
 {
   uint	 yylineno,yytoklen;			/* Simulate lex */
   LEX_YYSTYPE yylval;
-  SELECT_LEX select_lex, *select;
+  SELECT_LEX select_lex, *select, *last_selects;
   uchar *ptr,*tok_start,*tok_end,*end_of_query;
   char *length,*dec,*change,*name;
   char *backup_dir;				/* For RESTORE/BACKUP */
@@ -178,7 +184,7 @@ typedef struct st_lex
   uint grant,grant_tot_col,which_columns, union_option;
   thr_lock_type lock_option;
   bool	drop_primary,drop_if_exists,local_file;
-  bool  in_comment,ignore_space,verbose,simple_alter, option_type;
+  bool  in_comment,ignore_space,verbose,simple_alter, option_type, olap;
   uint slave_thd_opt;
 } LEX;
 

sql/sql_parse.cc

@@ -2728,7 +2728,9 @@ mysql_init_select(LEX *lex)
   select_lex->offset_limit=0;
   select_lex->options=0;
   select_lex->linkage=UNSPECIFIED_TYPE;
+  select_lex->olap= NON_EXISTING_ONE;
   lex->exchange = 0;
+  lex->olap = 0;
   lex->proc_list.first=0;
   select_lex->order_list.elements=select_lex->group_list.elements=0;
   select_lex->order_list.first=0;
@@ -3270,6 +3272,7 @@ static bool create_total_list(THD *thd, LEX *lex, TABLE_LIST **result)
       for (; aux; aux=next)
       {
 	TABLE_LIST *cursor;
+	aux->do_redirect=true;
 	next= aux->next;
 	for (cursor= *result; cursor; cursor=cursor->next)
 	  if (!strcmp(cursor->db,aux->db) &&

sql/sql_select.cc

@@ -146,7 +146,7 @@ static bool update_sum_func(Item_sum **func);
 static void select_describe(JOIN *join, bool need_tmp_table, bool need_order,
 			    bool distinct, const char *message=NullS);
 static void describe_info(JOIN *join, const char *info);
-
+extern  int handle_olaps(LEX *lex, SELECT_LEX *select);
 /*
   This handles SELECT with and without UNION
 */
@@ -155,6 +155,23 @@ int handle_select(THD *thd, LEX *lex, select_result *result)
 {
   int res;
   register SELECT_LEX *select_lex = &lex->select_lex;
+  if (lex->olap)
+  {
+    SELECT_LEX *sl, *last_sl;
+    int returned;
+    for (sl= &lex->select_lex;sl;sl=sl->next)
+    {
+      if (sl->olap != NON_EXISTING_ONE)
+      {
+	last_sl=sl->next;
+	if ((returned=handle_olaps(lex,sl)))
+	  return returned;
+	lex->last_selects->next=sl=last_sl;
+	if (!sl) break;
+      }
+    }
+    lex->select = select_lex;
+  }
   if (select_lex->next)
     res=mysql_union(thd,lex,result);
   else

sql/sql_union.cc

@@ -49,7 +49,13 @@ int mysql_union(THD *thd, LEX *lex,select_result *result)
     for (TABLE_LIST *cursor= (TABLE_LIST *)sl->table_list.first;
 	 cursor;
 	 cursor=cursor->next)
-      cursor->table= ((TABLE_LIST*) cursor->table)->table;
+    {
+      if (cursor->do_redirect)
+      {
+	cursor->table= ((TABLE_LIST*) cursor->table)->table;
+	cursor->do_redirect=false;
+      }
+    }
   }
 
   /* last_sel now points at the last select where the ORDER BY is stored */

sql/sql_yacc.yy

@@ -109,6 +109,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	COUNT_SYM
 %token	CREATE
 %token	CROSS
+%token  CUBE
 %token	DELETE_SYM
 %token	DO_SYM
 %token	DROP
@@ -130,6 +131,7 @@ bool my_yyoverflow(short **a, YYSTYPE **b,int *yystacksize);
 %token	REPLICATION
 %token	RESET_SYM
 %token	ROLLBACK_SYM
+%token  ROLLUP
 %token	SELECT_SYM
 %token	SHOW
 %token	SLAVE
@@ -2160,7 +2162,7 @@ opt_escape:
 
 group_clause:
 	/* empty */
-	| GROUP BY group_list;
+	| GROUP BY group_list olap_opt;
 
 group_list:
 	group_list ',' order_ident order_dir
@@ -2168,6 +2170,19 @@ group_list:
 	| order_ident order_dir
 	  { if (add_group_to_list($1,(bool) $2)) YYABORT; };
 
+olap_opt:
+	/* empty */ {}
+	| WITH CUBE
+          {
+	    Lex->olap = true;
+	    Select->olap= CUBE_TYPE;
+	  }
+	| WITH ROLLUP
+          {
+	    Lex->olap = true;
+	    Select->olap= ROLLUP_TYPE;
+	  }
+
 /*
    Order by statement in select
 */
@@ -2180,7 +2195,7 @@ order_clause:
 	ORDER_SYM BY 
         { 
 	  LEX *lex=Lex;
-	  if (lex->sql_command == SQLCOM_MULTI_UPDATE)
+	  if (lex->sql_command == SQLCOM_MULTI_UPDATE || lex->olap)
 	    YYABORT;
 	  lex->select->sort_default=1;
 	} order_list;
@@ -2201,12 +2216,16 @@ limit_clause:
 	/* empty */ {}
 	| LIMIT ULONG_NUM
 	  {
+	    if (Lex->olap)
+	      YYABORT;
 	    SELECT_LEX *sel=Select;
 	    sel->select_limit= $2;
 	    sel->offset_limit=0L;
 	  }
 	| LIMIT ULONG_NUM ',' ULONG_NUM
 	  {
+	    if (Lex->olap)
+	      YYABORT;
 	    SELECT_LEX *sel=Select;
 	    sel->select_limit= $4; sel->offset_limit=$2;
 	  };
@@ -3011,6 +3030,7 @@ keyword:
 	| COMMIT_SYM		{}
 	| COMPRESSED_SYM	{}
 	| CONCURRENT		{}
+	| CUBE  		{}
 	| DATA_SYM		{}
 	| DATETIME		{}
 	| DATE_SYM		{}
@@ -3104,6 +3124,7 @@ keyword:
 	| RESOURCES		{}
 	| RESTORE_SYM		{}
 	| ROLLBACK_SYM		{}
+	| ROLLUP		{}
 	| ROWS_SYM		{}
 	| ROW_FORMAT_SYM	{}
 	| ROW_SYM		{}

sql/table.h

@@ -151,6 +151,7 @@ typedef struct st_table_list
   bool		straight;			/* optimize with prev table */
   bool          updating;                   /* for replicate-do/ignore table */
   bool		shared;				/* Used twice in union */
+  bool		do_redirect;            	/* To get the struct in UNION's */
 } TABLE_LIST;