diff options
Diffstat (limited to 'sql/ha_isam.h')
| -rw-r--r-- | sql/ha_isam.h | 33 |
1 files changed, 14 insertions, 19 deletions
diff --git a/sql/ha_isam.h b/sql/ha_isam.h index 5e01edcf889..82a243ef5c0 100644 --- a/sql/ha_isam.h +++ b/sql/ha_isam.h @@ -1,15 +1,15 @@ /* 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 */ @@ -26,20 +26,21 @@ class ha_isam: public handler { N_INFO *file; - uint int_option_flag; + /* We need this as table_flags() may change after open() */ + ulong int_table_flags; public: - ha_isam(TABLE *table): handler(table), file(0), - int_option_flag(HA_READ_NEXT | HA_READ_PREV | HA_READ_RND_SAME | - HA_KEYPOS_TO_RNDPOS | HA_READ_ORDER | HA_LASTKEY_ORDER | - HA_HAVE_KEY_READ_ONLY | HA_READ_NOT_EXACT_KEY | - HA_LONGLONG_KEYS | HA_KEY_READ_WRONG_STR | HA_DUPP_POS | - HA_NOT_DELETE_WITH_CACHE | HA_NO_FULLTEXT_KEY) - {} + ha_isam(TABLE *table) + :handler(table), file(0), + int_table_flags(HA_READ_RND_SAME | HA_KEYPOS_TO_RNDPOS | HA_LASTKEY_ORDER | + HA_KEY_READ_WRONG_STR | HA_DUPP_POS | + HA_NOT_DELETE_WITH_CACHE) + {} ~ha_isam() {} const char *table_type() const { return "ISAM"; } + const char *index_type(uint key_number) { return "BTREE"; } const char **bas_ext() const; - ulong option_flag() const { return int_option_flag; } + ulong table_flags() const { return int_table_flags; } uint max_record_length() const { return HA_MAX_REC_LENGTH; } uint max_keys() const { return N_MAXKEY; } uint max_key_parts() const { return N_MAXKEY_SEG; } @@ -56,6 +57,7 @@ class ha_isam: public handler 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); @@ -78,11 +80,4 @@ class ha_isam: public handler 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); - }; - - - - - - |