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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/* class for the the heap Cursor */
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#ifndef PLUGIN_MEMORY_HA_HEAP_H
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#define PLUGIN_MEMORY_HA_HEAP_H
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#include <drizzled/cursor.h>
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#include <drizzled/thr_lock.h>
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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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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typedef struct st_heap_info HP_INFO;
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typedef struct st_heap_share HEAP_SHARE;
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typedef unsigned char *HEAP_PTR;
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class ha_heap: public drizzled::Cursor
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class ha_heap: public handler
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/* number of records changed since last statistics update */
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uint32_t records_changed;
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uint32_t key_stat_version;
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bool internal_table;
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ha_heap(drizzled::plugin::StorageEngine &engine, drizzled::Table &table);
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ha_heap(StorageEngine *engine, TableShare *table);
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Cursor *clone(drizzled::memory::Root *mem_root);
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handler *clone(MEM_ROOT *mem_root);
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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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uint64_t table_flags() const
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return (HA_FAST_KEY_READ | HA_NO_BLOBS | HA_NULL_IN_KEY |
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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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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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{ return (double) (stats.records+stats.deleted) / 20.0+10; }
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double read_time(uint32_t, uint32_t,
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drizzled::ha_rows rows)
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{ return (double) rows / 20.0+1; }
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int doOpen(const drizzled::identifier::Table &identifier, int mode, uint32_t test_if_locked);
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int open(const char *name, int mode, uint32_t test_if_locked);
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void set_keys_for_scanning(void);
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int doInsertRecord(unsigned char * buf);
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int doUpdateRecord(const unsigned char * old_data, unsigned char * new_data);
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int doDeleteRecord(const unsigned char * buf);
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int write_row(unsigned char * buf);
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int update_row(const unsigned char * old_data, unsigned char * new_data);
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int delete_row(const unsigned char * buf);
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virtual void get_auto_increment(uint64_t offset, uint64_t increment,
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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,
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drizzled::key_part_map keypart_map,
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enum drizzled::ha_rkey_function find_flag);
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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,
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drizzled::key_part_map keypart_map);
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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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drizzled::key_part_map keypart_map,
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enum drizzled::ha_rkey_function find_flag);
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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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int index_prev(unsigned char * buf);
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int index_first(unsigned char * buf);
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int index_last(unsigned char * buf);
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int doStartTableScan(bool scan);
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int rnd_init(bool scan);
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int rnd_next(unsigned char *buf);
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int rnd_pos(unsigned char * buf, unsigned char *pos);
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void position(const unsigned char *record);
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int extra(enum drizzled::ha_extra_function operation);
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int extra(enum ha_extra_function operation);
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int external_lock(Session *session, int lock_type);
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int delete_all_rows(void);
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int disable_indexes(uint32_t mode);
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int enable_indexes(uint32_t mode);
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int indexes_are_disabled(void);
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drizzled::ha_rows records_in_range(uint32_t inx,
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drizzled::key_range *min_key,
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drizzled::key_range *max_key);
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ha_rows records_in_range(uint32_t inx, key_range *min_key, key_range *max_key);
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void drop_table(const char *name);
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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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int cmp_ref(const unsigned char *ref1, const unsigned char *ref2);
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int reset_auto_increment(uint64_t value)
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file->getShare()->auto_increment= value;
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void update_key_stats();
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#endif /* PLUGIN_MEMORY_HA_HEAP_H */
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#endif /* STORAGE_HEAP_HA_HEAP_H */