diff options
Diffstat (limited to 'sql/ha_isam.h')
-rw-r--r-- | sql/ha_isam.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sql/ha_isam.h b/sql/ha_isam.h deleted file mode 100644 index b3e932696cb..00000000000 --- a/sql/ha_isam.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ - - -#ifdef __GNUC__ -#pragma interface /* gcc class implementation */ -#endif - -/* class for the the myisam handler */ - -#include <nisam.h> - -class ha_isam: public handler -{ - N_INFO *file; - /* We need this as table_flags() may change after open() */ - ulong int_table_flags; - - public: - ha_isam(TABLE *table) - :handler(table), file(0), - int_table_flags(HA_READ_RND_SAME | - HA_DUPP_POS | HA_NOT_DELETE_WITH_CACHE | HA_FILE_BASED) - {} - ~ha_isam() {} - ulong index_flags(uint idx, uint part, bool all_parts) const - { return HA_READ_NEXT; } // but no HA_READ_PREV here!!! - const char *table_type() const { return "ISAM"; } - const char *index_type(uint key_number) { return "BTREE"; } - const char **bas_ext() const; - ulong table_flags() const { return int_table_flags; } - uint max_supported_record_length() const { return HA_MAX_REC_LENGTH; } - uint max_supported_keys() const { return N_MAXKEY; } - uint max_supported_key_parts() const { return N_MAXKEY_SEG; } - uint max_supported_key_length() const { return N_MAX_KEY_LENGTH; } - uint min_record_length(uint options) const; - bool low_byte_first() const { return 0; } - - int open(const char *name, int mode, uint test_if_locked); - int close(void); - int write_row(byte * buf); - int update_row(const byte * old_data, byte * new_data); - int delete_row(const byte * buf); - int index_read(byte * buf, const byte * key, - uint key_len, enum ha_rkey_function find_flag); - int index_read_idx(byte * buf, uint idx, const byte * key, - uint key_len, enum ha_rkey_function find_flag); - int index_read_last(byte * buf, const byte * key, uint key_len); - int index_next(byte * buf); - int index_prev(byte * buf); - int index_first(byte * buf); - int index_last(byte * buf); - int rnd_init(bool scan); - int rnd_next(byte *buf); - int rnd_pos(byte * buf, byte *pos); - void position(const byte *record); - void info(uint); - int extra(enum ha_extra_function operation); - int external_lock(THD *thd, int lock_type); - ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key); - - int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info); - THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, - enum thr_lock_type lock_type); -}; - |