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Viewing changes to drizzled/item/create.cc

  • Committer: Stewart Smith
  • Date: 2010-03-18 12:01:34 UTC
  • mto: (1666.2.3 build)
  • mto: This revision was merged to the branch mainline in revision 1596.
  • Revision ID: stewart@flamingspork.com-20100318120134-45fdnsw8g3j6c7oy
move RAND() into a plugin

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drizzled/item/create.cc
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#include <drizzled/function/numhybrid.h>
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#include <drizzled/function/math/ord.h>
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#include <drizzled/function/math/pow.h>
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#include <drizzled/function/math/rand.h>
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#include <drizzled/function/math/real.h>
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#include <drizzled/function/row_count.h>
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#include <drizzled/function/set_user_var.h>
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};
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class Create_func_rand : public Create_native_func
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{
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public:
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  virtual Item *create_native(Session *session, LEX_STRING name, List<Item> *item_list);
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  static Create_func_rand s_singleton;
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protected:
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  Create_func_rand() {}
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  virtual ~Create_func_rand() {}
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};
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class Create_func_round : public Create_native_func
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{
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public:
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                                             M_PI/180, 0.0);
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}
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Create_func_rand Create_func_rand::s_singleton;
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Item*
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Create_func_rand::create_native(Session *session, LEX_STRING name,
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                                List<Item> *item_list)
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{
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  Item *func= NULL;
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  int arg_count= 0;
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  if (item_list != NULL)
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    arg_count= item_list->elements;
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  switch (arg_count) {
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  case 0:
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  {
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    func= new (session->mem_root) Item_func_rand();
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    break;
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  }
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  case 1:
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  {
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    Item *param_1= item_list->pop();
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    func= new (session->mem_root) Item_func_rand(param_1);
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    break;
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  }
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  default:
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  {
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    my_error(ER_WRONG_PARAMCOUNT_TO_FUNCTION, MYF(0), name.str);
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    break;
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  }
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  }
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  return func;
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}
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Create_func_round Create_func_round::s_singleton;
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Item*
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  { { C_STRING_WITH_LEN("POWER") }, BUILDER(Create_func_pow)},
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  { { C_STRING_WITH_LEN("QUOTE") }, BUILDER(Create_func_quote)},
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  { { C_STRING_WITH_LEN("RADIANS") }, BUILDER(Create_func_radians)},
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  { { C_STRING_WITH_LEN("RAND") }, BUILDER(Create_func_rand)},
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  { { C_STRING_WITH_LEN("ROUND") }, BUILDER(Create_func_round)},
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  { { C_STRING_WITH_LEN("ROW_COUNT") }, BUILDER(Create_func_row_count)},
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  { { C_STRING_WITH_LEN("RPAD") }, BUILDER(Create_func_rpad)},