Drizzled Public API Documentation

hybrid_type_traits.h
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4  * Copyright (C) 2008 Sun Microsystems, Inc.
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19 
20 #pragma once
21 
22 #include <drizzled/common.h>
23 #include <drizzled/item_result.h>
24 
25 namespace drizzled {
26 
27 /* Hybryd_type_traits interface + default implementation for REAL_RESULT */
28 
30 {
31 public:
32 
33  virtual Item_result type() const;
34 
35  virtual void
36  fix_length_and_dec(Item *item, Item *arg) const;
37 
38  /* Hybrid_type operations. */
39  virtual void set_zero(Hybrid_type *val) const;
40  virtual void add(Hybrid_type *val, Field *f) const;
41  virtual void div(Hybrid_type *val, uint64_t u) const;
42 
43  virtual int64_t val_int(Hybrid_type *val,
44  bool unsigned_flag) const;
45  virtual double val_real(Hybrid_type *val) const;
46  virtual type::Decimal *val_decimal(Hybrid_type *val, type::Decimal *buf) const;
47  virtual String *val_str(Hybrid_type *val, String *buf,
48  uint8_t decimals) const;
49 
50  static const Hybrid_type_traits *instance();
52  virtual ~Hybrid_type_traits();
53 
54 };
55 
56 } /* namespace drizzled */
57