diff options
Diffstat (limited to 'sql/ha_blackhole.cc')
| -rw-r--r-- | sql/ha_blackhole.cc | 229 |
1 files changed, 0 insertions, 229 deletions
diff --git a/sql/ha_blackhole.cc b/sql/ha_blackhole.cc deleted file mode 100644 index 61a8658be53..00000000000 --- a/sql/ha_blackhole.cc +++ /dev/null @@ -1,229 +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; version 2 of the License. - - 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_IMPLEMENTATION -#pragma implementation // gcc: Class implementation -#endif - -#include "mysql_priv.h" -#ifdef HAVE_BLACKHOLE_DB -#include "ha_blackhole.h" - - -/* Blackhole storage engine handlerton */ - -handlerton blackhole_hton= { - "BLACKHOLE", - SHOW_OPTION_YES, - "/dev/null storage engine (anything you write to it disappears)", - DB_TYPE_BLACKHOLE_DB, - NULL, - 0, /* slot */ - 0, /* savepoint size. */ - NULL, /* close_connection */ - NULL, /* savepoint */ - NULL, /* rollback to savepoint */ - NULL, /* release savepoint */ - NULL, /* commit */ - NULL, /* rollback */ - NULL, /* prepare */ - NULL, /* recover */ - NULL, /* commit_by_xid */ - NULL, /* rollback_by_xid */ - NULL, /* create_cursor_read_view */ - NULL, /* set_cursor_read_view */ - NULL, /* close_cursor_read_view */ - HTON_CAN_RECREATE -}; - -/***************************************************************************** -** BLACKHOLE tables -*****************************************************************************/ - -ha_blackhole::ha_blackhole(TABLE *table_arg) - :handler(&blackhole_hton, table_arg) -{} - - -static const char *ha_blackhole_exts[] = { - NullS -}; - -const char **ha_blackhole::bas_ext() const -{ - return ha_blackhole_exts; -} - -int ha_blackhole::open(const char *name, int mode, uint test_if_locked) -{ - DBUG_ENTER("ha_blackhole::open"); - thr_lock_init(&thr_lock); - thr_lock_data_init(&thr_lock,&lock,NULL); - DBUG_RETURN(0); -} - -int ha_blackhole::close(void) -{ - DBUG_ENTER("ha_blackhole::close"); - thr_lock_delete(&thr_lock); - DBUG_RETURN(0); -} - -int ha_blackhole::create(const char *name, TABLE *table_arg, - HA_CREATE_INFO *create_info) -{ - DBUG_ENTER("ha_blackhole::create"); - DBUG_RETURN(0); -} - -const char *ha_blackhole::index_type(uint key_number) -{ - DBUG_ENTER("ha_blackhole::index_type"); - DBUG_RETURN((table->key_info[key_number].flags & HA_FULLTEXT) ? - "FULLTEXT" : - (table->key_info[key_number].flags & HA_SPATIAL) ? - "SPATIAL" : - (table->key_info[key_number].algorithm == HA_KEY_ALG_RTREE) ? - "RTREE" : - "BTREE"); -} - -int ha_blackhole::write_row(byte * buf) -{ - DBUG_ENTER("ha_blackhole::write_row"); - DBUG_RETURN(0); -} - -int ha_blackhole::rnd_init(bool scan) -{ - DBUG_ENTER("ha_blackhole::rnd_init"); - DBUG_RETURN(0); -} - - -int ha_blackhole::rnd_next(byte *buf) -{ - DBUG_ENTER("ha_blackhole::rnd_next"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::rnd_pos(byte * buf, byte *pos) -{ - DBUG_ENTER("ha_blackhole::rnd_pos"); - DBUG_ASSERT(0); - DBUG_RETURN(0); -} - - -void ha_blackhole::position(const byte *record) -{ - DBUG_ENTER("ha_blackhole::position"); - DBUG_ASSERT(0); - DBUG_VOID_RETURN; -} - - -int ha_blackhole::info(uint flag) -{ - DBUG_ENTER("ha_blackhole::info"); - - records= 0; - deleted= 0; - errkey= 0; - mean_rec_length= 0; - data_file_length= 0; - index_file_length= 0; - max_data_file_length= 0; - delete_length= 0; - if (flag & HA_STATUS_AUTO) - auto_increment_value= 1; - DBUG_RETURN(0); -} - -int ha_blackhole::external_lock(THD *thd, int lock_type) -{ - DBUG_ENTER("ha_blackhole::external_lock"); - DBUG_RETURN(0); -} - - -uint ha_blackhole::lock_count(void) const -{ - DBUG_ENTER("ha_blackhole::lock_count"); - DBUG_RETURN(0); -} - -THR_LOCK_DATA **ha_blackhole::store_lock(THD *thd, - THR_LOCK_DATA **to, - enum thr_lock_type lock_type) -{ - DBUG_ENTER("ha_blackhole::store_lock"); - DBUG_RETURN(to); -} - - -int ha_blackhole::index_read(byte * buf, const byte * key, - uint key_len, enum ha_rkey_function find_flag) -{ - DBUG_ENTER("ha_blackhole::index_read"); - DBUG_RETURN(0); -} - - -int ha_blackhole::index_read_idx(byte * buf, uint idx, const byte * key, - uint key_len, enum ha_rkey_function find_flag) -{ - DBUG_ENTER("ha_blackhole::index_read_idx"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::index_read_last(byte * buf, const byte * key, uint key_len) -{ - DBUG_ENTER("ha_blackhole::index_read_last"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::index_next(byte * buf) -{ - DBUG_ENTER("ha_blackhole::index_next"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::index_prev(byte * buf) -{ - DBUG_ENTER("ha_blackhole::index_prev"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::index_first(byte * buf) -{ - DBUG_ENTER("ha_blackhole::index_first"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - - -int ha_blackhole::index_last(byte * buf) -{ - DBUG_ENTER("ha_blackhole::index_last"); - DBUG_RETURN(HA_ERR_END_OF_FILE); -} - -#endif /* HAVE_BLACKHOLE_DB */ |