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Viewing changes to drizzled/item/cmpfunc.h

  • Committer: Padraig O'Sullivan
  • Date: 2009-09-13 01:03:01 UTC
  • mto: (1126.9.2 captain-20090915-01)
  • mto: This revision was merged to the branch mainline in revision 1133.
  • Revision ID: osullivan.padraig@gmail.com-20090913010301-tcvvezipx1124acy
Added calls to the dtrace delete begin/end probes.

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drizzled/item/cmpfunc.h
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#include "drizzled/function/math/int.h"
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#include "drizzled/function/numhybrid.h"
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#include "drizzled/session.h"
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#include "drizzled/common.h"
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#include "drizzled/qsort_cmp.h"
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namespace drizzled
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{
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extern Item_result item_cmp_type(Item_result a,Item_result b);
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class Item_bool_func2;
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typedef int (*Item_field_cmpfunc)(Item_field *f1, Item_field *f2, void *arg);
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uint64_t get_datetime_value(Session *session, 
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                            Item ***item_arg, 
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                            Item **cache_arg,
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                            Item *warn_item, 
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                            bool *is_null);
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class Arg_comparator: public memory::SqlAlloc
 
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class Arg_comparator: public Sql_alloc
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{
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  Item **a, **b;
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  arg_cmp_func func;
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/* A vector of values of some type  */
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class in_vector :public memory::SqlAlloc
 
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class in_vector :public Sql_alloc
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{
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public:
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  char *base;
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  in_vector() {}
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  in_vector(uint32_t elements,uint32_t element_length,qsort2_cmp cmp_func,
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            const CHARSET_INFO * const cmp_coll)
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    :base((char*) memory::sql_calloc(elements*element_length)),
 
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    :base((char*) sql_calloc(elements*element_length)),
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     size(element_length), compare(cmp_func), collation(cmp_coll),
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     count(elements), used_count(elements) {}
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  virtual ~in_vector() {}
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  virtual void set(uint32_t pos,Item *item)=0;
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  virtual unsigned char *get_value(Item *item)=0;
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  void sort();
 
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  void sort()
 
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  {
 
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    my_qsort2(base,used_count,size,compare, (void *) collation);
 
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  }
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  int find(Item *item);
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  /*
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** Classes for easy comparing of non const items
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*/
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class cmp_item :public memory::SqlAlloc
 
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class cmp_item :public Sql_alloc
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{
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public:
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  const CHARSET_INFO *cmp_charset;
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  { return fields.head()->collation.collation; }
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};
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class COND_EQUAL: public memory::SqlAlloc
 
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class COND_EQUAL: public Sql_alloc
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{
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public:
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  uint32_t max_members;               /* max number of members the current level
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  void top_level_item() {}
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};
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enum_field_types agg_field_type(Item **items, uint32_t nitems);
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/* Some useful inline functions */
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Item *and_expressions(Item *a, Item *b, Item **org_item);
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} /* namespace drizzled */
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#endif /* DRIZZLED_ITEM_CMPFUNC_H */