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MDEV-19283 Move the code from Field_str::is_equal() to Field_string::is_equal()

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This commit is contained in:
Alexander Barkov
2019-04-19 07:00:17 +04:00
parent 878ca5ca4f
commit 4233b28489
2 changed files with 14 additions and 8 deletions
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5
sql/field.h
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@ -1504,7 +1504,7 @@ public:
of a table is compatible with the old definition so that it can
determine if data needs to be copied over (table data change).
*/
virtual uint is_equal(Create_field *new_field);
virtual uint is_equal(Create_field *new_field)= 0;
/* convert decimal to longlong with overflow check */
longlong convert_decimal2longlong(const my_decimal *val, bool unsigned_flag,
int *err);
@ -1868,7 +1868,6 @@ public:
my_decimal *val_decimal(my_decimal *);
bool val_bool() { return val_real() != 0e0; }
virtual bool str_needs_quotes() { return TRUE; }
uint is_equal(Create_field *new_field);
bool eq_cmp_as_binary() { return MY_TEST(flags & BINARY_FLAG); }
virtual uint length_size() { return 0; }
double pos_in_interval(Field *min, Field *max)
@ -2640,6 +2639,7 @@ public:
my_decimal *val_decimal(my_decimal *) { return 0; }
String *val_str(String *value,String *value2)
{ value2->length(0); return value2;}
uint is_equal(Create_field *new_field);
int cmp(const uchar *a, const uchar *b) { return 0;}
void sort_string(uchar *buff, uint length) {}
uint32 pack_length() const { return 0; }
@ -3563,6 +3563,7 @@ public:
int cmp(const uchar *,const uchar *);
void sort_string(uchar *buff,uint length);
void sql_type(String &str) const;
uint is_equal(Create_field *new_field);
virtual uchar *pack(uchar *to, const uchar *from,
uint max_length);
virtual const uchar *unpack(uchar* to, const uchar *from,