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  • Committer: Olaf van der Spek
  • Date: 2011-03-23 10:31:37 UTC
  • mto: (2247.1.1 build)
  • mto: This revision was merged to the branch mainline in revision 2248.
  • Revision ID: olafvdspek@gmail.com-20110323103137-lwevis2tfchgu18u
Propogate return void

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drizzled/key.h
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 */
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#ifndef DRIZZLED_KEY_H
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#define DRIZZLED_KEY_H
 
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#pragma once
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#include <string>
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#include <boost/dynamic_bitset.hpp>
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#include "drizzled/memory/sql_alloc.h"
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#include "drizzled/key_part_spec.h"
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#include "drizzled/sql_list.h"
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#include "drizzled/lex_string.h"
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#include "drizzled/sql_string.h"
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#include "drizzled/handler_structs.h"
 
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#include <drizzled/memory/sql_alloc.h>
 
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#include <drizzled/key_part_spec.h>
 
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#include <drizzled/sql_list.h>
 
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#include <drizzled/lex_string.h>
 
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#include <drizzled/sql_string.h>
 
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#include <drizzled/handler_structs.h>
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namespace drizzled
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{
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class Key :public memory::SqlAlloc {
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public:
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  enum Keytype { PRIMARY, UNIQUE, MULTIPLE, FOREIGN_KEY};
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  enum Keytype type;
 
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  Keytype type;
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  KEY_CREATE_INFO key_create_info;
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  List<Key_part_spec> columns;
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  LEX_STRING name;
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  bool generated;
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  Key(enum Keytype type_par, const LEX_STRING &name_arg,
 
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  Key(Keytype type_par,
 
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      const lex_string_t &name_arg,
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      KEY_CREATE_INFO *key_info_arg,
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      bool generated_arg, List<Key_part_spec> &cols)
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    :type(type_par), key_create_info(*key_info_arg), columns(cols),
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    name(name_arg), generated(generated_arg)
 
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      bool generated_arg, List<Key_part_spec> &cols) :
 
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    type(type_par),
 
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    key_create_info(*key_info_arg),
 
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    columns(cols),
 
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    name(name_arg),
 
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    generated(generated_arg)
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  {}
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  Key(enum Keytype type_par, const char *name_arg, size_t name_len_arg,
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      KEY_CREATE_INFO *key_info_arg, bool generated_arg,
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      List<Key_part_spec> &cols)
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    :type(type_par), key_create_info(*key_info_arg), columns(cols),
 
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  Key(Keytype type_par,
 
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      const char *name_arg,
 
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      size_t name_len_arg,
 
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      KEY_CREATE_INFO *key_info_arg,
 
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      bool generated_arg,
 
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      List<Key_part_spec> &cols) :
 
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    type(type_par),
 
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    key_create_info(*key_info_arg),
 
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    columns(cols),
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    generated(generated_arg)
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  {
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    name.str= const_cast<char *>(name_arg);
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  @param key_length  specifies length of all keyparts that will be copied
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*/
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void key_copy(unsigned char *to_key, unsigned char *from_record, KeyInfo *key_info, uint32_t key_length);
 
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DRIZZLED_API void key_copy(unsigned char *to_key, unsigned char *from_record, KeyInfo *key_info, uint32_t key_length);
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void key_copy(std::basic_string<unsigned char> &to_key,
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              unsigned char *from_record, KeyInfo *key_info, uint32_t key_length);
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void key_restore(unsigned char *to_record, unsigned char *from_key, KeyInfo *key_info,
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                 uint16_t key_length);
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void key_zero_nulls(unsigned char *tuple, KeyInfo *key_info);
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bool key_cmp_if_same(Table *form,const unsigned char *key,uint32_t index,uint32_t key_length);
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void key_unpack(String *to,Table *form,uint32_t index);
 
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void key_unpack(String *to, const Table *form,uint32_t index);
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bool is_key_used(Table *table, uint32_t idx, const boost::dynamic_bitset<>& fields);
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int key_cmp(KeyPartInfo *key_part, const unsigned char *key, uint32_t key_length);
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} /* namespace drizzled */
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#endif /* DRIZZLED_KEY_H */