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Diffstat (limited to 'sql/ha_blackhole.h')
-rw-r--r-- | sql/ha_blackhole.h | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/sql/ha_blackhole.h b/sql/ha_blackhole.h deleted file mode 100644 index 15e12659aa0..00000000000 --- a/sql/ha_blackhole.h +++ /dev/null @@ -1,88 +0,0 @@ -/* Copyright (C) 2005 MySQL 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 USE_PRAGMA_INTERFACE -#pragma interface /* gcc class implementation */ -#endif - -/* - Class definition for the blackhole storage engine - "Dumbest named feature ever" -*/ -class ha_blackhole: public handler -{ - THR_LOCK_DATA lock; /* MySQL lock */ - THR_LOCK thr_lock; - -public: - ha_blackhole(TABLE_SHARE *table_arg); - ~ha_blackhole() - { - } - /* The name that will be used for display purposes */ - const char *table_type() const { return "BLACKHOLE"; } - /* - The name of the index type that will be used for display - don't implement this method unless you really have indexes - */ - const char *index_type(uint key_number); - const char **bas_ext() const; - ulong table_flags() const - { - return(HA_NULL_IN_KEY | HA_CAN_FULLTEXT | HA_CAN_SQL_HANDLER | - HA_DUPP_POS | HA_CAN_INDEX_BLOBS | HA_AUTO_PART_KEY | - HA_FILE_BASED | HA_CAN_GEOMETRY | HA_READ_RND_SAME | - HA_CAN_INSERT_DELAYED); - } - ulong index_flags(uint inx, uint part, bool all_parts) const - { - return ((table_share->key_info[inx].algorithm == HA_KEY_ALG_FULLTEXT) ? - 0 : HA_READ_NEXT | HA_READ_PREV | HA_READ_RANGE | - HA_READ_ORDER | HA_KEYREAD_ONLY); - } - /* The following defines can be increased if necessary */ -#define BLACKHOLE_MAX_KEY 64 /* Max allowed keys */ -#define BLACKHOLE_MAX_KEY_SEG 16 /* Max segments for key */ -#define BLACKHOLE_MAX_KEY_LENGTH 1000 - uint max_supported_keys() const { return BLACKHOLE_MAX_KEY; } - uint max_supported_key_length() const { return BLACKHOLE_MAX_KEY_LENGTH; } - uint max_supported_key_part_length() const { return BLACKHOLE_MAX_KEY_LENGTH; } - int open(const char *name, int mode, uint test_if_locked); - int close(void); - int write_row(byte * buf); - int rnd_init(bool scan); - int rnd_next(byte *buf); - int rnd_pos(byte * buf, byte *pos); - 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); - void position(const byte *record); - void info(uint flag); - int external_lock(THD *thd, int lock_type); - uint lock_count(void) const; - int create(const char *name, TABLE *table_arg, - HA_CREATE_INFO *create_info); - THR_LOCK_DATA **store_lock(THD *thd, - THR_LOCK_DATA **to, - enum thr_lock_type lock_type); - bool has_transactions() { return 1; } -}; |