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Viewing changes to drizzled/plugin/function.h

  • Committer: Monty Taylor
  • Date: 2009-12-25 08:50:15 UTC
  • mto: This revision was merged to the branch mainline in revision 1255.
  • Revision ID: mordred@inaugust.com-20091225085015-83sux5qsvy312gew
MEM_ROOT == memory::Root

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drizzled/plugin/function.h
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#include <vector>
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#include <functional>
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typedef struct st_mem_root MEM_ROOT;
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class Item_func;
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namespace drizzled
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{
 
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namespace memory
 
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{
 
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  class Root;
 
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}
 
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namespace plugin
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{
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 */
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class Function
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  : public Plugin,
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    public std::unary_function<MEM_ROOT*, Item_func *>
 
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    public std::unary_function<drizzled::memory::Root*, Item_func *>
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{
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  Function();
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  Function(const Function &);
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public:
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  Function(std::string in_name)
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   : Plugin(in_name, "Function"),
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     std::unary_function<MEM_ROOT*, Item_func *>()
 
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     std::unary_function<drizzled::memory::Root*, Item_func *>()
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  { }
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  virtual result_type operator()(argument_type root) const= 0;
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  virtual ~Function() {}