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  • Committer: Lee
  • Date: 2008-10-30 22:02:01 UTC
  • mto: (572.1.2 devel)
  • mto: This revision was merged to the branch mainline in revision 573.
  • Revision ID: lbieber@lbieber-desktop-20081030220201-elb6qprbzpn7c5a4
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drizzled/functions/numhybrid.h
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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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 *  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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 *
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 *  Copyright (C) 2008 Sun Microsystems, Inc.
 
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 *  Copyright (C) 2008 Sun Microsystems
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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#ifndef DRIZZLED_FUNCTION_NUMHYBRID_H
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#define DRIZZLED_FUNCTION_NUMHYBRID_H
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#include <drizzled/function/func.h>
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namespace drizzled
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{
 
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#ifndef DRIZZLED_FUNCTIONS_NUMHYBRID_H
 
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#define DRIZZLED_FUNCTIONS_NUMHYBRID_H
 
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#include <drizzled/item.h>
 
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#include <drizzled/functions/func.h>
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class Item_func_numhybrid: public Item_func
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{
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protected:
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  Item_result hybrid_type;
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public:
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  Item_func_numhybrid(): Item_func(), hybrid_type(REAL_RESULT)
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  {}
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  Item_func_numhybrid(Item *a) :Item_func(a), hybrid_type(REAL_RESULT)
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  {}
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  Item_func_numhybrid(Item *a,Item *b)
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  double val_real();
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  int64_t val_int();
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  type::Decimal *val_decimal(type::Decimal *);
 
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  my_decimal *val_decimal(my_decimal *);
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  String *val_str(String*str);
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  /**
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     result type is DECIMAL.
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     @param A pointer where the DECIMAL value will be allocated.
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     @return
 
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     @return 
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       - 0 If the result is NULL
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       - The same pointer it was given, with the area initialized to the
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         result of the operation.
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  */
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  virtual type::Decimal *decimal_op(type::Decimal *)= 0;
 
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  virtual my_decimal *decimal_op(my_decimal *)= 0;
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  /**
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     @brief Performs the operation that this functions implements when the
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  bool is_null() { update_null_value(); return null_value; }
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};
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} /* namespace drizzled */
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#endif /* DRIZZLED_FUNCTION_NUMHYBRID_H */
 
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#endif /* DRIZZLED_FUNCTIONS_NUMHYBRID_H */