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Merge branch '10.1' into 10.2

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This commit is contained in:
Oleksandr Byelkin
2020-08-02 11:05:29 +02:00
parent 5ec40fbb27 09ec8e2e22
commit ef7cb0a0b5
98 changed files with 966 additions and 400 deletions
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30
sql/field.h
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@ -270,7 +270,7 @@ protected:
};
// String-to-number convertion methods for the old code compatibility
// String-to-number conversion methods for the old code compatibility
longlong longlong_from_string_with_check(CHARSET_INFO *cs, const char *cptr,
const char *end) const
{
@ -351,7 +351,7 @@ public:
/*
Item context attributes.
Comparison functions pass their attributes to propagate_equal_fields().
For exmple, for string comparison, the collation of the comparison
For example, for string comparison, the collation of the comparison
operation is important inside propagate_equal_fields().
*/
class Context
@ -484,7 +484,7 @@ inline bool is_timestamp_type(enum_field_types type)
/**
Convert temporal real types as retuned by field->real_type()
Convert temporal real types as returned by field->real_type()
to field type as returned by field->type().
@param real_type Real type.
@ -1055,9 +1055,13 @@ public:
return type();
}
inline int cmp(const uchar *str) { return cmp(ptr,str); }
virtual int cmp_max(const uchar *a, const uchar *b, uint max_len)
{ return cmp(a, b); }
virtual int cmp(const uchar *,const uchar *)=0;
/*
The following method is used for comparing prefix keys.
Currently it's only used in partitioning.
*/
virtual int cmp_prefix(const uchar *a, const uchar *b, size_t prefix_len)
{ return cmp(a, b); }
virtual int cmp_binary(const uchar *a,const uchar *b, uint32 max_length=~0U)
{ return memcmp(a,b,pack_length()); }
virtual int cmp_offset(uint row_offset)
@ -3268,11 +3272,8 @@ public:
longlong val_int(void);
String *val_str(String*,String *);
my_decimal *val_decimal(my_decimal *);
int cmp_max(const uchar *, const uchar *, uint max_length);
int cmp(const uchar *a,const uchar *b)
{
return cmp_max(a, b, ~0U);
}
int cmp(const uchar *a,const uchar *b);
int cmp_prefix(const uchar *a, const uchar *b, size_t prefix_len);
void sort_string(uchar *buff,uint length);
uint get_key_image(uchar *buff,uint length, imagetype type);
void set_key_image(const uchar *buff,uint length);
@ -3389,9 +3390,8 @@ public:
longlong val_int(void);
String *val_str(String*,String *);
my_decimal *val_decimal(my_decimal *);
int cmp_max(const uchar *, const uchar *, uint max_length);
int cmp(const uchar *a,const uchar *b)
{ return cmp_max(a, b, ~0U); }
int cmp(const uchar *a,const uchar *b);
int cmp_prefix(const uchar *a, const uchar *b, size_t prefix_len);
int cmp(const uchar *a, uint32 a_length, const uchar *b, uint32 b_length);
int cmp_binary(const uchar *a,const uchar *b, uint32 max_length=~0U);
int key_cmp(const uchar *,const uchar*);
@ -3725,7 +3725,7 @@ private:
This is the reason:
- Field_bit::cmp_binary() is only implemented in the base class
(Field::cmp_binary()).
- Field::cmp_binary() currenly use pack_length() to calculate how
- Field::cmp_binary() currently uses pack_length() to calculate how
long the data is.
- pack_length() includes size of the bits stored in the NULL bytes
of the record.
@ -3780,7 +3780,7 @@ public:
}
int cmp_binary_offset(uint row_offset)
{ return cmp_offset(row_offset); }
int cmp_max(const uchar *a, const uchar *b, uint max_length);
int cmp_prefix(const uchar *a, const uchar *b, size_t prefix_len);
int key_cmp(const uchar *a, const uchar *b)
{ return cmp_binary((uchar *) a, (uchar *) b); }
int key_cmp(const uchar *str, uint length);