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00026 #pragma once
00027 #ifndef INNODB_HANDLER_HA_INNODB_H
00028 #define INNODB_HANDLER_HA_INNODB_H
00029
00030 #include <drizzled/cursor.h>
00031 #include <drizzled/thr_lock.h>
00032 #include <drizzled/plugin/transactional_storage_engine.h>
00033
00034 using namespace drizzled;
00035
00036
00037
00038 typedef struct innodb_idx_translate_struct {
00039 ulint index_count;
00041 ulint array_size;
00042 dict_index_t** index_mapping;
00045 } innodb_idx_translate_t;
00046
00048 typedef struct st_innobase_share {
00049 THR_LOCK lock;
00051 char table_name[FN_REFLEN];
00052 uint use_count;
00055 void* table_name_hash;
00056 innodb_idx_translate_t idx_trans_tbl;
00060 st_innobase_share(const char *arg) :
00061 use_count(0)
00062 {
00063 strncpy(table_name, arg, FN_REFLEN);
00064 }
00065
00066 } INNOBASE_SHARE;
00067
00068
00070 struct dict_index_struct;
00072 struct row_prebuilt_struct;
00073
00075 typedef struct dict_index_struct dict_index_t;
00077 typedef struct row_prebuilt_struct row_prebuilt_t;
00078
00080 class ha_innobase: public Cursor
00081 {
00082 row_prebuilt_t* prebuilt;
00085 Session* user_session;
00088 THR_LOCK_DATA lock;
00089 INNOBASE_SHARE* share;
00092 std::vector<unsigned char> upd_buff;
00093 std::vector<unsigned char> key_val_buff;
00096 ulong upd_and_key_val_buff_len;
00097
00098
00099 uint primary_key;
00100 ulong start_of_scan;
00103 uint last_match_mode;
00104
00105
00106 uint num_write_row;
00108 UNIV_INTERN uint store_key_val_for_row(uint keynr, char* buff,
00109 uint buff_len, const unsigned char* record);
00110 UNIV_INTERN void update_session(Session* session);
00111 UNIV_INTERN int change_active_index(uint32_t keynr);
00112 UNIV_INTERN int general_fetch(unsigned char* buf, uint32_t direction, uint32_t match_mode);
00113 UNIV_INTERN ulint innobase_lock_autoinc();
00114 UNIV_INTERN uint64_t innobase_peek_autoinc();
00115 UNIV_INTERN ulint innobase_set_max_autoinc(uint64_t auto_inc);
00116 UNIV_INTERN ulint innobase_reset_autoinc(uint64_t auto_inc);
00117 UNIV_INTERN ulint innobase_get_autoinc(uint64_t* value);
00118 ulint innobase_update_autoinc(uint64_t auto_inc);
00119 UNIV_INTERN void innobase_initialize_autoinc();
00120 UNIV_INTERN dict_index_t* innobase_get_index(uint keynr);
00121
00122
00123 public:
00124 UNIV_INTERN ha_innobase(plugin::StorageEngine &engine,
00125 Table &table_arg);
00126 UNIV_INTERN ~ha_innobase();
00135 UNIV_INTERN plugin::TransactionalStorageEngine *getTransactionalEngine()
00136 {
00137 return static_cast<plugin::TransactionalStorageEngine *>(getEngine());
00138 }
00139
00140 UNIV_INTERN const char* index_type(uint key_number);
00141 UNIV_INTERN const key_map* keys_to_use_for_scanning();
00142
00143 UNIV_INTERN int doOpen(const drizzled::identifier::Table &identifier, int mode, uint test_if_locked);
00144 UNIV_INTERN int close(void);
00145 UNIV_INTERN double scan_time();
00146 UNIV_INTERN double read_time(uint index, uint ranges, ha_rows rows);
00147
00148 UNIV_INTERN int doInsertRecord(unsigned char * buf);
00149 UNIV_INTERN int doUpdateRecord(const unsigned char * old_data, unsigned char * new_data);
00150 UNIV_INTERN int doDeleteRecord(const unsigned char * buf);
00151 UNIV_INTERN bool was_semi_consistent_read();
00152 UNIV_INTERN void try_semi_consistent_read(bool yes);
00153 UNIV_INTERN void unlock_row();
00154
00155 UNIV_INTERN int doStartIndexScan(uint index, bool sorted);
00156 UNIV_INTERN int doEndIndexScan();
00157 UNIV_INTERN int index_read(unsigned char * buf, const unsigned char * key,
00158 uint key_len, enum ha_rkey_function find_flag);
00159 UNIV_INTERN int index_read_idx(unsigned char * buf, uint index, const unsigned char * key,
00160 uint key_len, enum ha_rkey_function find_flag);
00161 UNIV_INTERN int index_read_last(unsigned char * buf, const unsigned char * key, uint key_len);
00162 UNIV_INTERN int index_next(unsigned char * buf);
00163 UNIV_INTERN int index_next_same(unsigned char * buf, const unsigned char *key, uint keylen);
00164 UNIV_INTERN int index_prev(unsigned char * buf);
00165 UNIV_INTERN int index_first(unsigned char * buf);
00166 UNIV_INTERN int index_last(unsigned char * buf);
00167
00168 UNIV_INTERN int doStartTableScan(bool scan);
00169 UNIV_INTERN int doEndTableScan();
00170 UNIV_INTERN int rnd_next(unsigned char *buf);
00171 UNIV_INTERN int rnd_pos(unsigned char * buf, unsigned char *pos);
00172
00173 UNIV_INTERN void position(const unsigned char *record);
00174 UNIV_INTERN int info(uint);
00175 UNIV_INTERN int analyze(Session* session);
00176 UNIV_INTERN int discard_or_import_tablespace(bool discard);
00177 UNIV_INTERN int extra(enum ha_extra_function operation);
00178 UNIV_INTERN int reset();
00179 UNIV_INTERN int external_lock(Session *session, int lock_type);
00180 void position(unsigned char *record);
00181 UNIV_INTERN ha_rows records_in_range(uint inx, key_range *min_key, key_range
00182 *max_key);
00183 UNIV_INTERN ha_rows estimate_rows_upper_bound();
00184
00185 UNIV_INTERN int delete_all_rows();
00186 UNIV_INTERN int check(Session* session);
00187 UNIV_INTERN char* update_table_comment(const char* comment);
00188 UNIV_INTERN char* get_foreign_key_create_info();
00189 UNIV_INTERN int get_foreign_key_list(Session *session, List<ForeignKeyInfo> *f_key_list);
00190 UNIV_INTERN bool can_switch_engines();
00191 UNIV_INTERN uint referenced_by_foreign_key();
00192 UNIV_INTERN void free_foreign_key_create_info(char* str);
00193 UNIV_INTERN THR_LOCK_DATA **store_lock(Session *session, THR_LOCK_DATA **to,
00194 enum thr_lock_type lock_type);
00195 UNIV_INTERN virtual void get_auto_increment(uint64_t offset,
00196 uint64_t increment,
00197 uint64_t nb_desired_values,
00198 uint64_t *first_value,
00199 uint64_t *nb_reserved_values);
00200 UNIV_INTERN int reset_auto_increment(uint64_t value);
00201
00202 UNIV_INTERN bool primary_key_is_clustered();
00203 UNIV_INTERN int cmp_ref(const unsigned char *ref1, const unsigned char *ref2);
00205
00206
00207 #if 0
00208 UNIV_INTERN int add_index(Session *session, TABLE *table_arg, KeyInfo *key_info, uint num_of_keys);
00209 UNIV_INTERN int prepare_drop_index(Session *session,
00210 TABLE *table_arg,
00211 uint *key_num,
00212 uint num_of_keys);
00213 UNIV_INTERN int final_drop_index(Session *session, TABLE *table_arg);
00214 #endif
00215
00216 public:
00217 int read_range_first(const key_range *start_key, const key_range *end_key,
00218 bool eq_range_arg, bool sorted);
00219 int read_range_next();
00220 };
00221
00222
00226 const char* drizzle_bin_log_file_name(void);
00227
00231 uint64_t drizzle_bin_log_file_pos(void);
00232
00239 int session_slave_thread(const Session *session);
00240
00241 typedef struct trx_struct trx_t;
00242
00248 UNIV_INTERN
00249 int
00250 convert_error_code_to_mysql(
00251
00252 int error,
00253 ulint flags,
00254 Session *session);
00256
00259 UNIV_INTERN
00260 trx_t*
00261 innobase_trx_allocate(
00262
00263 Session *session);
00265
00266
00267
00268
00269 bool
00270 innobase_index_name_is_reserved(
00271
00272
00273
00274 const trx_t* trx,
00275 const drizzled::KeyInfo* key_info,
00276 ulint num_of_keys);
00277
00278
00279 #endif