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MDEV-20326 Add class DTCollation_numeric

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This commit is contained in:
Alexander Barkov
2019-08-12 18:41:02 +04:00
parent f6e386f00b
commit e7525beac8
9 changed files with 237 additions and 206 deletions
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31
sql/sql_type.h
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@ -2706,9 +2706,7 @@ public:
{ }
void set(const DTCollation &dt)
{
collation= dt.collation;
derivation= dt.derivation;
repertoire= dt.repertoire;
*this= dt;
}
void set(CHARSET_INFO *collation_arg, Derivation derivation_arg)
{
@ -2724,12 +2722,6 @@ public:
derivation= derivation_arg;
repertoire= repertoire_arg;
}
void set_numeric()
{
collation= &my_charset_numeric;
derivation= DERIVATION_NUMERIC;
repertoire= MY_REPERTOIRE_NUMERIC;
}
void set(CHARSET_INFO *collation_arg)
{
collation= collation_arg;
@ -2763,6 +2755,17 @@ public:
};
class DTCollation_numeric: public DTCollation
{
public:
DTCollation_numeric()
:DTCollation(charset_info(), DERIVATION_NUMERIC, MY_REPERTOIRE_NUMERIC)
{ }
static const CHARSET_INFO *charset_info() { return &my_charset_numeric; }
static const DTCollation & singleton();
};
static inline uint32
char_to_byte_length_safe(size_t char_length_arg, uint32 mbmaxlen_arg)
{
@ -2840,7 +2843,7 @@ public:
}
void fix_attributes_temporal_not_fixed_dec(uint int_part_length, uint dec)
{
collation.set_numeric();
collation= DTCollation_numeric();
unsigned_flag= 0;
fix_char_length_temporal_not_fixed_dec(int_part_length, dec);
}
@ -2854,7 +2857,7 @@ public:
}
void fix_attributes_temporal(uint int_part_length, uint dec)
{
collation.set_numeric();
collation= DTCollation_numeric();
unsigned_flag= 0;
decimals= MY_MIN(dec, TIME_SECOND_PART_DIGITS);
max_length= decimals + int_part_length + (dec ? 1 : 0);
@ -2881,18 +2884,18 @@ public:
void aggregate_attributes_int(Item **items, uint nitems)
{
collation.set_numeric();
collation= DTCollation_numeric();
count_only_length(items, nitems);
decimals= 0;
}
void aggregate_attributes_real(Item **items, uint nitems)
{
collation.set_numeric();
collation= DTCollation_numeric();
count_real_length(items, nitems);
}
void aggregate_attributes_decimal(Item **items, uint nitems)
{
collation.set_numeric();
collation= DTCollation_numeric();
count_decimal_length(items, nitems);
}
bool aggregate_attributes_string(const char *func_name,