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  • Committer: Monty Taylor
  • Date: 2008-11-18 22:12:56 UTC
  • mto: (589.1.3 devel)
  • mto: This revision was merged to the branch mainline in revision 589.
  • Revision ID: monty@inaugust.com-20081118221256-ap2kmj073pdw7uap
The mega-patch from hell. Renamed sql_class to session (since that's what it is) and removed it and field and table from common_includes. 

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storage/heap/ha_heap.h
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/* class for the the heap handler */
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#ifndef STORAGE_HEAP_HA_HEAP_H
 
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#define STORAGE_HEAP_HA_HEAP_H
 
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#include <drizzled/handler.h>
 
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#include <mysys/thr_lock.h>
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#include <heap.h>
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class ha_heap: public handler
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  {
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    return "MEMORY";
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  }
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  const char *index_type(uint32_t inx)
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  {
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    return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
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            "BTREE" : "HASH");
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  }
 
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  const char *index_type(uint32_t inx);
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  enum row_type get_row_type() const;
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  const char **bas_ext() const;
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  uint64_t table_flags() const
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            HA_REC_NOT_IN_SEQ | HA_NO_TRANSACTIONS |
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            HA_HAS_RECORDS | HA_STATS_RECORDS_IS_EXACT);
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  }
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  uint32_t index_flags(uint32_t inx, uint32_t part __attribute__((unused)),
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                       bool all_parts __attribute__((unused))) const
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  {
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    return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_BTREE) ?
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            HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER | HA_READ_RANGE :
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            HA_ONLY_WHOLE_INDEX | HA_KEY_SCAN_NOT_ROR);
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  }
 
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  uint32_t index_flags(uint32_t inx, uint32_t part, bool all_parts) const;
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  const key_map *keys_to_use_for_scanning() { return &btree_keys; }
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  uint32_t max_supported_keys()          const { return MAX_KEY; }
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  uint32_t max_supported_key_part_length() const { return MAX_KEY_LENGTH; }
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                                  uint64_t nb_desired_values,
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                                  uint64_t *first_value,
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                                  uint64_t *nb_reserved_values);
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  int index_read_map(unsigned char * buf, const unsigned char * key, key_part_map keypart_map,
 
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  int index_read_map(unsigned char * buf, const unsigned char * key,
 
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                     key_part_map keypart_map,
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                     enum ha_rkey_function find_flag);
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  int index_read_last_map(unsigned char *buf, const unsigned char *key, key_part_map keypart_map);
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  int index_read_idx_map(unsigned char * buf, uint32_t index, const unsigned char * key,
 
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  int index_read_last_map(unsigned char *buf, const unsigned char *key,
 
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                          key_part_map keypart_map);
 
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  int index_read_idx_map(unsigned char * buf, uint32_t index,
 
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                         const unsigned char * key,
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                         key_part_map keypart_map,
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                         enum ha_rkey_function find_flag);
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  int index_next(unsigned char * buf);
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  void update_create_info(HA_CREATE_INFO *create_info);
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  THR_LOCK_DATA **store_lock(Session *session, THR_LOCK_DATA **to,
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                             enum thr_lock_type lock_type);
 
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                             enum thr_lock_type lock_type);
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  int cmp_ref(const unsigned char *ref1, const unsigned char *ref2)
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  {
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    return memcmp(ref1, ref2, sizeof(HEAP_PTR));
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private:
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  void update_key_stats();
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};
 
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#endif /* STORAGE_HEAP_HA_HEAP_H */