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SQL: compare TRX_ID fields against timestamps [closes #231]

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This commit is contained in:
Aleksey Midenkov
2017-08-03 10:11:49 +03:00
parent d998da0306
commit c2c8808a16
26 changed files with 1107 additions and 256 deletions
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30
sql/field.h
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@ -1402,7 +1402,7 @@ public:
FIELD_FLAGS_COLUMN_FORMAT;
}
bool vers_sys_field()
bool vers_sys_field() const
{
return flags & (VERS_SYS_START_FLAG | VERS_SYS_END_FLAG);
}
@ -2130,6 +2130,29 @@ public:
};
class Field_vers_system :public Field_longlong {
MYSQL_TIME cache;
ulonglong cached;
public:
Field_vers_system(uchar *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
uchar null_bit_arg,
enum utype unireg_check_arg, const char *field_name_arg,
bool zero_arg, bool unsigned_arg)
:Field_longlong(ptr_arg, len_arg, null_ptr_arg, null_bit_arg,
unireg_check_arg, field_name_arg, zero_arg,unsigned_arg),
cached(0)
{}
enum_field_types real_type() const { return MYSQL_TYPE_LONGLONG; }
enum_field_types type() const { return MYSQL_TYPE_DATETIME;}
uint size_of() const { return sizeof(*this); }
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzydate, ulonglong trx_id);
bool get_date(MYSQL_TIME *ltime, ulonglong fuzzydate)
{
return get_date(ltime, fuzzydate, (ulonglong) val_int());
}
};
class Field_float :public Field_real {
public:
Field_float(uchar *ptr_arg, uint32 len_arg, uchar *null_ptr_arg,
@ -3778,7 +3801,8 @@ Field *make_field(TABLE_SHARE *share, MEM_ROOT *mem_root,
CHARSET_INFO *cs,
Field::geometry_type geom_type, uint srid,
Field::utype unireg_check,
TYPELIB *interval, const char *field_name);
TYPELIB *interval, const char *field_name,
uint32 flags);
/*
Create field class for CREATE TABLE
@ -3965,7 +3989,7 @@ public:
(uint32)length, null_pos, null_bit,
pack_flag, sql_type, charset,
geom_type, srid, unireg_check, interval,
field_name_arg);
field_name_arg, flags);
}
Field *make_field(TABLE_SHARE *share, MEM_ROOT *mem_root,
const char *field_name_arg)