Drizzled Public API Documentation

drizzled::Hybrid_type_traits_fast_decimal Struct Reference
Inheritance diagram for drizzled::Hybrid_type_traits_fast_decimal:
drizzled::Hybrid_type_traits_integer drizzled::Hybrid_type_traits

Public Member Functions

virtual Item_result type () const
virtual void fix_length_and_dec (Item *item, Item *arg) const
virtual void div (Hybrid_type *val, uint64_t u) const
virtual void set_zero (Hybrid_type *val) const
virtual void add (Hybrid_type *val, Field *f) const
virtual int64_t val_int (Hybrid_type *val, bool unsigned_flag) const
virtual double val_real (Hybrid_type *val) const
virtual type::Decimalval_decimal (Hybrid_type *val, type::Decimal *buf) const
virtual Stringval_str (Hybrid_type *val, String *buf, uint8_t decimals) const

Static Public Member Functions

static const
Hybrid_type_traits_fast_decimal
instance ()

Detailed Description

Behaves like an Integer except to fix_length_and_dec(). Additionally div() converts val with this traits to a val with true decimal traits along with conversion of integer value to decimal value. This is to speedup SUM/AVG(DISTINCT) evaluation for 8-32 bit integer values.

Definition at line 937 of file sum.cc.


The documentation for this struct was generated from the following file: