Adding "const" qualifier to the MYSQL_TIME* argument of Field::store_time_dec()

sql/field.cc

@@ -2196,7 +2196,7 @@ bool Field::get_date(MYSQL_TIME *ltime,ulonglong fuzzydate)
     Needs to be changed if/when we want to support different time formats.
 */
 
-int Field::store_time_dec(MYSQL_TIME *ltime, uint dec)
+int Field::store_time_dec(const MYSQL_TIME *ltime, uint dec)
 {
   ASSERT_COLUMN_MARKED_FOR_WRITE_OR_COMPUTED;
   char buff[MAX_DATE_STRING_REP_LENGTH];
@@ -3241,7 +3241,7 @@ int Field_new_decimal::store_decimal(const my_decimal *decimal_value)
 }
 
 
-int Field_new_decimal::store_time_dec(MYSQL_TIME *ltime, uint dec_arg)
+int Field_new_decimal::store_time_dec(const MYSQL_TIME *ltime, uint dec_arg)
 {
   my_decimal decimal_value;
   return store_value(date2my_decimal(ltime, &decimal_value));
@@ -3480,7 +3480,7 @@ Item *Field_new_decimal::get_equal_const_item(THD *thd, const Context &ctx,
 }
 
 
-int Field_num::store_time_dec(MYSQL_TIME *ltime, uint dec_arg)
+int Field_num::store_time_dec(const MYSQL_TIME *ltime, uint dec_arg)
 {
   longlong v= TIME_to_ulonglong(ltime);
   if (ltime->neg == 0)
@@ -4734,7 +4734,7 @@ int Field_real::store_decimal(const my_decimal *dm)
   return store(dbl);
 }
 
-int Field_real::store_time_dec(MYSQL_TIME *ltime, uint dec_arg)
+int Field_real::store_time_dec(const MYSQL_TIME *ltime, uint dec_arg)
 {
   return store(TIME_to_double(ltime));
 }
@@ -5016,7 +5016,7 @@ copy_or_convert_to_datetime(THD *thd, const MYSQL_TIME *from, MYSQL_TIME *to)
 }
 
 
-int Field_timestamp::store_time_dec(MYSQL_TIME *ltime, uint dec)
+int Field_timestamp::store_time_dec(const MYSQL_TIME *ltime, uint dec)
 {
   int unused;
   ErrConvTime str(ltime);
@@ -5582,7 +5582,7 @@ int Field_temporal_with_date::store(longlong nr, bool unsigned_val)
 }
 
 
-int Field_temporal_with_date::store_time_dec(MYSQL_TIME *ltime, uint dec)
+int Field_temporal_with_date::store_time_dec(const MYSQL_TIME *ltime, uint dec)
 {
   int error= 0, have_smth_to_conv= 1;
   ErrConvTime str(ltime);
@@ -5774,7 +5774,7 @@ static void calc_datetime_days_diff(MYSQL_TIME *ltime, long days)
 }
 
 
-int Field_time::store_time_dec(MYSQL_TIME *ltime, uint dec)
+int Field_time::store_time_dec(const MYSQL_TIME *ltime, uint dec)
 {
   MYSQL_TIME l_time= *ltime;
   ErrConvTime str(ltime);
@@ -6234,7 +6234,7 @@ int Field_year::store(longlong nr, bool unsigned_val)
 }
 
 
-int Field_year::store_time_dec(MYSQL_TIME *ltime, uint dec_arg)
+int Field_year::store_time_dec(const MYSQL_TIME *ltime, uint dec_arg)
 {
   ErrConvTime str(ltime);
   if (Field_year::store(ltime->year, 0))

sql/field.h

@@ -815,9 +815,9 @@ class Field: public Value_source
   virtual int  store(double nr)=0;
   virtual int  store(longlong nr, bool unsigned_val)=0;
   virtual int  store_decimal(const my_decimal *d)=0;
-  virtual int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  virtual int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   virtual int  store_timestamp(my_time_t timestamp, ulong sec_part);
-  int store_time(MYSQL_TIME *ltime)
+  int store_time(const MYSQL_TIME *ltime)
   { return store_time_dec(ltime, TIME_SECOND_PART_DIGITS); }
   int store(const char *to, uint length, CHARSET_INFO *cs,
             enum_check_fields check_level);
@@ -1673,7 +1673,7 @@ class Field_num :public Field {
                           field_metadata, length));
     return length;
   }
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   double pos_in_interval(Field *min, Field *max)
   {
     return pos_in_interval_val_real(min, max);
@@ -1813,7 +1813,7 @@ class Field_real :public Field_num {
            field_length >= from->field_length;
   }
   int store_decimal(const my_decimal *);
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   bool get_date(MYSQL_TIME *ltime, ulonglong fuzzydate);
   my_decimal *val_decimal(my_decimal *);
   bool val_bool() { return val_real() != 0e0; }
@@ -1903,7 +1903,7 @@ class Field_new_decimal :public Field_num {
   int  store(const char *to, uint length, CHARSET_INFO *charset);
   int  store(double nr);
   int  store(longlong nr, bool unsigned_val);
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   int  store_decimal(const my_decimal *);
   double val_real(void);
   longlong val_int(void);
@@ -2382,7 +2382,7 @@ class Field_temporal_with_date: public Field_temporal {
   int  store(const char *to, uint length, CHARSET_INFO *charset);
   int  store(double nr);
   int  store(longlong nr, bool unsigned_val);
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   int  store_decimal(const my_decimal *);
   bool validate_value_in_record(THD *thd, const uchar *record) const;
 };
@@ -2404,7 +2404,7 @@ class Field_timestamp :public Field_temporal {
   int  store(const char *to,uint length,CHARSET_INFO *charset);
   int  store(double nr);
   int  store(longlong nr, bool unsigned_val);
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   int  store_decimal(const my_decimal *);
   int  store_timestamp(my_time_t timestamp, ulong sec_part);
   int  save_in_field(Field *to);
@@ -2601,7 +2601,7 @@ class Field_year :public Field_tiny {
   int  store(const char *to,uint length,CHARSET_INFO *charset);
   int  store(double nr);
   int  store(longlong nr, bool unsigned_val);
-  int  store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int  store_time_dec(const MYSQL_TIME *ltime, uint dec);
   double val_real(void);
   longlong val_int(void);
   String *val_str(String*,String *);
@@ -2711,7 +2711,7 @@ class Field_time :public Field_temporal {
     return real_type() == from->real_type() &&
            decimals() == from->decimals();
   }
-  int store_time_dec(MYSQL_TIME *ltime, uint dec);
+  int store_time_dec(const MYSQL_TIME *ltime, uint dec);
   int store(const char *to,uint length,CHARSET_INFO *charset);
   int store(double nr);
   int store(longlong nr, bool unsigned_val);