BUG#18198: Many strange partition functions were allowed, now only strictly...

BUG#18198: Many strange partition functions were allowed, now only strictly allowed functions are ok


mysql-test/r/partition_error.result:
  New test cases
mysql-test/t/partition_error.test:
  New test cases
sql/item.h:
  Added method check_partition_func_processor for check if item tree is valid
sql/item_cmpfunc.h:
  Added method check_partition_func_processor for check if item tree is valid
sql/item_func.h:
  Added method check_partition_func_processor for check if item tree is valid
sql/item_strfunc.h:
  Added method check_partition_func_processor for check if item tree is valid
sql/item_timefunc.h:
  Added method check_partition_func_processor for check if item tree is valid
sql/item_xmlfunc.h:
  Added method check_partition_func_processor for check if item tree is valid

mysql-test/r/partition_error.result

@@ -554,3 +554,26 @@ PARTITION BY RANGE (a) (PARTITION p1 VALUES LESS THAN(5));
 insert into t1 values (10);
 ERROR HY000: Table has no partition for value 10
 drop table t1;
+create table t1 (v varchar(12))
+partition by range (ascii(v))
+(partition p0 values less than (10));
+drop table t1;
+create table t1 (a int)
+partition by hash (rand(a));
+ERROR 42000: Constant/Random expression in (sub)partitioning function is not allowed near ')' at line 2
+create table t1 (a int)
+partition by hash(CURTIME() + a);
+ERROR 42000: Constant/Random expression in (sub)partitioning function is not allowed near ')' at line 2
+create table t1 (a int)
+partition by hash (NOW()+a);
+ERROR 42000: Constant/Random expression in (sub)partitioning function is not allowed near ')' at line 2
+create table t1 (a int)
+partition by hash (extract(hour from convert_tz(a, '+00:00', '+00:00')));
+ERROR HY000: This partition function is not allowed
+create table t1 (a int)
+partition by range (a + (select count(*) from t1))
+(partition p1 values less than (1));
+ERROR HY000: This partition function is not allowed
+create table t1 (a char(10))
+partition by hash (extractvalue(a,'a'));
+ERROR HY000: The PARTITION function returns the wrong type

mysql-test/t/partition_error.test

@@ -747,3 +747,31 @@ CREATE TABLE t1(a int)
 --error ER_NO_PARTITION_FOR_GIVEN_VALUE
 insert into t1 values (10);
 drop table t1;
+
+#
+# Bug 18198 Partitions: Verify that erroneus partition functions doesn't work
+#
+create table t1 (v varchar(12))
+partition by range (ascii(v))
+(partition p0 values less than (10));
+drop table t1;
+
+-- error 1064
+create table t1 (a int)
+partition by hash (rand(a));
+-- error 1064
+create table t1 (a int)
+partition by hash(CURTIME() + a);
+-- error 1064
+create table t1 (a int)
+partition by hash (NOW()+a);
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (a int)
+partition by hash (extract(hour from convert_tz(a, '+00:00', '+00:00')));
+-- error ER_PARTITION_FUNCTION_IS_NOT_ALLOWED
+create table t1 (a int)
+partition by range (a + (select count(*) from t1))
+(partition p1 values less than (1));
+-- error ER_PARTITION_FUNC_NOT_ALLOWED_ERROR
+create table t1 (a char(10))
+partition by hash (extractvalue(a,'a'));

sql/item.h

@@ -745,6 +745,13 @@ class Item {
   virtual bool change_context_processor(byte *context) { return 0; }
   virtual bool reset_query_id_processor(byte *query_id) { return 0; }
   /*
+    Check if a partition function is allowed
+    SYNOPSIS
+      check_partition_func_processor()
+      bool_arg                        Return argument
+    RETURN VALUE
+      0
+    DESCRIPTION
     check_partition_func_processor is used to check if a partition function
     uses an allowed function. The default is that an item is not allowed
     in a partition function. However all mathematical functions, string
@@ -1031,7 +1038,7 @@ class Item_name_const : public Item
     Item::maybe_null= TRUE;
   }
 
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0; }
+  bool check_partition_func_processor(byte *bool_arg) { return 0; }
   bool fix_fields(THD *, Item **);
 
   enum Type type() const;
@@ -1078,7 +1085,7 @@ class Item_num: public Item
   Item_num() {}                               /* Remove gcc warning */
   virtual Item_num *neg()= 0;
   Item *safe_charset_converter(CHARSET_INFO *tocs);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 #define NO_CACHED_FIELD_INDEX ((uint)(-1))
@@ -1264,7 +1271,7 @@ class Item_null :public Item
   bool is_null() { return 1; }
   void print(String *str) { str->append(STRING_WITH_LEN("NULL")); }
   Item *safe_charset_converter(CHARSET_INFO *tocs);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_null_result :public Item_null
@@ -1277,7 +1284,7 @@ class Item_null_result :public Item_null
   {
     save_in_field(result_field, no_conversions);
   }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };  
 
@@ -1462,7 +1469,7 @@ class Item_static_int_func :public Item_int
   {}
   Item *safe_charset_converter(CHARSET_INFO *tocs);
   void print(String *str) { str->append(func_name); }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -1582,7 +1589,7 @@ class Item_static_float_func :public Item_float
   {}
   void print(String *str) { str->append(func_name); }
   Item *safe_charset_converter(CHARSET_INFO *tocs);
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -1661,7 +1668,7 @@ class Item_string :public Item
   void print(String *str);
   // to prevent drop fixed flag (no need parent cleanup call)
   void cleanup() {}
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -1676,7 +1683,7 @@ class Item_static_string_func :public Item_string
   {}
   Item *safe_charset_converter(CHARSET_INFO *tocs);
   void print(String *str) { str->append(func_name); }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -1690,7 +1697,7 @@ class Item_datetime :public Item_string
                                                     &my_charset_bin)
   { max_length=19;}
   enum_field_types field_type() const { return MYSQL_TYPE_DATETIME; }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -1714,7 +1721,7 @@ class Item_return_int :public Item_int
     unsigned_flag=1;
   }
   enum_field_types field_type() const { return int_field_type; }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -1739,7 +1746,7 @@ class Item_hex_string: public Item
   void cleanup() {}
   bool eq(const Item *item, bool binary_cmp) const;
   virtual Item *safe_charset_converter(CHARSET_INFO *tocs);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -1977,7 +1984,7 @@ class Item_int_with_ref :public Item_int
   }
   Item *new_item();
   virtual Item *real_item() { return ref; }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 

sql/item_cmpfunc.h

@@ -239,7 +239,7 @@ class Item_bool_rowready_func2 :public Item_bool_func2
   }
   Item *neg_transformer(THD *thd);
   virtual Item *negated_item();
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_not :public Item_bool_func
@@ -250,7 +250,7 @@ class Item_func_not :public Item_bool_func
   enum Functype functype() const { return NOT_FUNC; }
   const char *func_name() const { return "not"; }
   Item *neg_transformer(THD *thd);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_maxmin_subselect;
@@ -465,7 +465,7 @@ class Item_func_between :public Item_func_opt_neg
   bool is_bool_func() { return 1; }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
   uint decimal_precision() const { return 1; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -477,7 +477,7 @@ class Item_func_strcmp :public Item_bool_func2
   optimize_type select_optimize() const { return OPTIMIZE_NONE; }
   const char *func_name() const { return "strcmp"; }
   void print(String *str) { Item_func::print(str); }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -540,7 +540,7 @@ class Item_func_ifnull :public Item_func_coalesce
   const char *func_name() const { return "ifnull"; }
   Field *tmp_table_field(TABLE *table);
   uint decimal_precision() const;
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -581,7 +581,7 @@ class Item_func_nullif :public Item_bool_func2
   void print(String *str) { Item_func::print(str); }
   table_map not_null_tables() const { return 0; }
   bool is_null();
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -624,7 +624,7 @@ class Item_func_case :public Item_func
   void print(String *str);
   Item *find_item(String *str);
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -904,7 +904,7 @@ class Item_func_in :public Item_func_opt_neg
   bool nulls_in_row();
   bool is_bool_func() { return 1; }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 /* Functions used by where clause */
@@ -946,7 +946,7 @@ class Item_func_isnull :public Item_bool_func
   optimize_type select_optimize() const { return OPTIMIZE_NULL; }
   Item *neg_transformer(THD *thd);
   CHARSET_INFO *compare_collation() { return args[0]->collation.collation; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 /* Functions used by HAVING for rewriting IN subquery */
@@ -968,7 +968,7 @@ class Item_is_not_null_test :public Item_func_isnull
   */
   table_map used_tables() const
     { return used_tables_cache | RAND_TABLE_BIT; }
-  virtual bool check_partition_func_processor(byte *bool_arg)
+  bool check_partition_func_processor(byte *bool_arg)
   { *(bool *)bool_arg= FALSE; return 0; }
 };
 
@@ -992,7 +992,7 @@ class Item_func_isnotnull :public Item_bool_func
   void print(String *str);
   CHARSET_INFO *compare_collation() { return args[0]->collation.collation; }
   void top_level_item() { abort_on_null=1; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -1031,7 +1031,7 @@ class Item_func_like :public Item_bool_func2
   const char *func_name() const { return "like"; }
   bool fix_fields(THD *thd, Item **ref);
   void cleanup();
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 #ifdef USE_REGEX
@@ -1054,7 +1054,7 @@ class Item_func_regex :public Item_bool_func
   const char *func_name() const { return "regexp"; }
   void print(String *str) { print_op(str); }
   CHARSET_INFO *compare_collation() { return cmp_collation.collation; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 #else
@@ -1111,7 +1111,7 @@ class Item_cond :public Item_bool_func
   Item *transform(Item_transformer transformer, byte *arg);
   void traverse_cond(Cond_traverser, void *arg, traverse_order order);
   void neg_arguments(THD *thd);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 

sql/item_strfunc.h

@@ -46,7 +46,7 @@ class Item_func_md5 :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "md5"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -57,7 +57,7 @@ class Item_func_sha :public Item_str_func
   String *val_str(String *);    
   void fix_length_and_dec();      
   const char *func_name() const { return "sha"; }	
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_aes_encrypt :public Item_str_func
@@ -88,7 +88,7 @@ class Item_func_concat :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "concat"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_concat_ws :public Item_str_func
@@ -109,7 +109,7 @@ class Item_func_reverse :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "reverse"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -147,7 +147,7 @@ class Item_str_conv :public Item_str_func
 public:
   Item_str_conv(Item *item) :Item_str_func(item) {}
   String *val_str(String *);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -211,7 +211,7 @@ class Item_func_substr :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "substr"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -223,7 +223,7 @@ class Item_func_substr_index :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "substring_index"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -238,7 +238,7 @@ class Item_func_trim :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "trim"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -418,7 +418,7 @@ class Item_func_soundex :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "soundex"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -526,7 +526,7 @@ class Item_func_rpad :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "rpad"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -539,7 +539,7 @@ class Item_func_lpad :public Item_str_func
   String *val_str(String *);
   void fix_length_and_dec();
   const char *func_name() const { return "lpad"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -554,7 +554,7 @@ class Item_func_conv :public Item_str_func
     collation.set(default_charset());
     decimals=0; max_length=64;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -571,7 +571,7 @@ class Item_func_hex :public Item_str_func
     decimals=0;
     max_length=args[0]->max_length*2*collation.collation->mbmaxlen;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_unhex :public Item_str_func
@@ -587,7 +587,7 @@ class Item_func_unhex :public Item_str_func
     decimals=0;
     max_length=(1+args[0]->max_length)/2;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -611,7 +611,7 @@ class Item_func_binary :public Item_str_func
   }
   void print(String *str);
   const char *func_name() const { return "cast_as_binary"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -651,7 +651,7 @@ class Item_func_inet_ntoa : public Item_str_func
   String* val_str(String* str);
   const char *func_name() const { return "inet_ntoa"; }
   void fix_length_and_dec() { decimals = 0; max_length=3*8+7; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_quote :public Item_str_func
@@ -666,7 +666,7 @@ class Item_func_quote :public Item_str_func
     collation.set(args[0]->collation);
     max_length= args[0]->max_length * 2 + 2;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_conv_charset :public Item_str_func
@@ -709,7 +709,7 @@ class Item_func_conv_charset :public Item_str_func
   void fix_length_and_dec();
   const char *func_name() const { return "convert"; }
   void print(String *str);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_set_collation :public Item_str_func
@@ -742,7 +742,7 @@ class Item_func_charset :public Item_str_func
      maybe_null= 0;
   };
   table_map not_null_tables() const { return 0; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_collation :public Item_str_func
@@ -758,7 +758,7 @@ class Item_func_collation :public Item_str_func
      maybe_null= 0;
   };
   table_map not_null_tables() const { return 0; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_crc32 :public Item_int_func
@@ -769,7 +769,7 @@ class Item_func_crc32 :public Item_int_func
   const char *func_name() const { return "crc32"; }
   void fix_length_and_dec() { max_length=10; }
   longlong val_int();
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_uncompressed_length : public Item_int_func
@@ -780,7 +780,7 @@ class Item_func_uncompressed_length : public Item_int_func
   const char *func_name() const{return "uncompressed_length";}
   void fix_length_and_dec() { max_length=10; }
   longlong val_int();
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 #ifdef HAVE_COMPRESS
@@ -797,7 +797,7 @@ class Item_func_compress: public Item_str_func
   void fix_length_and_dec(){max_length= (args[0]->max_length*120)/100+12;}
   const char *func_name() const{return "compress";}
   String *val_str(String *) ZLIB_DEPENDED_FUNCTION
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_uncompress: public Item_str_func
@@ -808,7 +808,7 @@ class Item_func_uncompress: public Item_str_func
   void fix_length_and_dec(){max_length= MAX_BLOB_WIDTH;}
   const char *func_name() const{return "uncompress";}
   String *val_str(String *) ZLIB_DEPENDED_FUNCTION
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 #define UUID_LENGTH (8+1+4+1+4+1+4+1+12)

sql/item_timefunc.h

@@ -39,7 +39,7 @@ class Item_func_period_add :public Item_int_func
   { 
     max_length=6*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -54,7 +54,7 @@ class Item_func_period_diff :public Item_int_func
     decimals=0;
     max_length=6*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -71,7 +71,7 @@ class Item_func_to_days :public Item_int_func
     maybe_null=1; 
   }
   enum_monotonicity_info get_monotonicity_info() const;
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -87,7 +87,7 @@ class Item_func_dayofmonth :public Item_int_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1; 
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -112,7 +112,7 @@ class Item_func_month :public Item_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1; 
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -145,7 +145,7 @@ class Item_func_dayofyear :public Item_int_func
     max_length=3*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1; 
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -161,7 +161,7 @@ class Item_func_hour :public Item_int_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -177,7 +177,7 @@ class Item_func_minute :public Item_int_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -193,7 +193,7 @@ class Item_func_quarter :public Item_int_func
      max_length=1*MY_CHARSET_BIN_MB_MAXLEN;
      maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -209,7 +209,7 @@ class Item_func_second :public Item_int_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -225,7 +225,7 @@ class Item_func_week :public Item_int_func
     max_length=2*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_yearweek :public Item_int_func
@@ -240,7 +240,7 @@ class Item_func_yearweek :public Item_int_func
     max_length=6*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -257,7 +257,7 @@ class Item_func_year :public Item_int_func
     max_length=4*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -287,7 +287,7 @@ class Item_func_weekday :public Item_func
     max_length=1*MY_CHARSET_BIN_MB_MAXLEN;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_dayname :public Item_func_weekday
@@ -320,7 +320,7 @@ class Item_func_unix_timestamp :public Item_int_func
     decimals=0;
     max_length=10*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -335,7 +335,7 @@ class Item_func_time_to_sec :public Item_int_func
     decimals=0;
     max_length=10*MY_CHARSET_BIN_MB_MAXLEN;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -542,7 +542,7 @@ class Item_func_from_days :public Item_date
   Item_func_from_days(Item *a) :Item_date(a) {}
   const char *func_name() const { return "from_days"; }
   bool get_date(TIME *res, uint fuzzy_date);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -560,7 +560,7 @@ class Item_func_date_format :public Item_str_func
   void fix_length_and_dec();
   uint format_length(const String *format);
   bool eq(const Item *item, bool binary_cmp) const;
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -579,7 +579,7 @@ class Item_func_from_unixtime :public Item_date_func
   const char *func_name() const { return "from_unixtime"; }
   void fix_length_and_dec();
   bool get_date(TIME *res, uint fuzzy_date);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -646,7 +646,7 @@ class Item_func_sec_to_time :public Item_str_func
   {
     return tmp_table_field_from_field_type(table, 0);
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -669,7 +669,7 @@ class Item_date_add_interval :public Item_date_func
   bool get_date(TIME *res, uint fuzzy_date);
   bool eq(const Item *item, bool binary_cmp) const;
   void print(String *str);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -687,7 +687,7 @@ class Item_extract :public Item_int_func
   void fix_length_and_dec();
   bool eq(const Item *item, bool binary_cmp) const;
   void print(String *str);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -724,7 +724,7 @@ class Item_typecast_maybe_null :public Item_typecast
     max_length=args[0]->max_length;
     maybe_null= 1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -744,7 +744,7 @@ class Item_char_typecast :public Item_typecast
   String *val_str(String *a);
   void fix_length_and_dec();
   void print(String *str);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -816,7 +816,7 @@ class Item_func_makedate :public Item_str_func
   {
     return tmp_table_field_from_field_type(table, 0);
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -839,7 +839,7 @@ class Item_func_add_time :public Item_str_func
   }
   void print(String *str);
   const char *func_name() const { return "add_time"; }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_timediff :public Item_str_func
@@ -879,7 +879,7 @@ class Item_func_maketime :public Item_str_func
   {
     return tmp_table_field_from_field_type(table, 0);
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 class Item_func_microsecond :public Item_int_func
@@ -893,7 +893,7 @@ class Item_func_microsecond :public Item_int_func
     decimals=0;
     maybe_null=1;
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -911,7 +911,7 @@ class Item_func_timestamp_diff :public Item_int_func
     maybe_null=1;
   }
   void print(String *str);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 
@@ -958,7 +958,7 @@ class Item_func_str_to_date :public Item_str_func
   {
     return tmp_table_field_from_field_type(table, 1);
   }
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };
 
 

sql/item_xmlfunc.h

@@ -42,7 +42,7 @@ class Item_func_xml_extractvalue: public Item_xml_str_func
   Item_func_xml_extractvalue(Item *a,Item *b) :Item_xml_str_func(a,b) {}
   const char *func_name() const { return "extractvalue"; }
   String *val_str(String *);
-  virtual bool check_partition_func_processor(byte *bool_arg) { return 0;}
+  bool check_partition_func_processor(byte *bool_arg) { return 0;}
 };