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author | Sergei Golubchik <sergii@pisem.net> | 2010-11-25 18:17:28 +0100 |
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committer | Sergei Golubchik <sergii@pisem.net> | 2010-11-25 18:17:28 +0100 |
commit | 65ca700def99289cc31a7040537f5aa6e12bf485 (patch) | |
tree | 97b3a07299b626c519da0e80c122b5b79b933914 /storage/oqgraph/ha_oqgraph.h | |
parent | 2ab57de38d13d927ddff2d51aed4af34e13998f5 (diff) | |
parent | 6e5bcca7935d3c62f84bb640e5357664a210ee12 (diff) | |
download | mariadb-git-65ca700def99289cc31a7040537f5aa6e12bf485.tar.gz |
merge.
checkpoint.
does not compile.
Diffstat (limited to 'storage/oqgraph/ha_oqgraph.h')
-rw-r--r-- | storage/oqgraph/ha_oqgraph.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/storage/oqgraph/ha_oqgraph.h b/storage/oqgraph/ha_oqgraph.h new file mode 100644 index 00000000000..dcc14b074da --- /dev/null +++ b/storage/oqgraph/ha_oqgraph.h @@ -0,0 +1,114 @@ +/* Copyright (C) 2007-2009 Arjen G Lentz & Antony T Curtis for Open Query + Portions of this file copyright (C) 2000-2006 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 */ + +/* ====================================================================== + Open Query Graph Computation Engine, based on a concept by Arjen Lentz + Mk.II implementation by Antony Curtis & Arjen Lentz + For more information, documentation, support, enhancement engineering, + and non-GPL licensing, see http://openquery.com/graph + or contact graph@openquery.com + For packaged binaries, see http://ourdelta.org + ====================================================================== +*/ + +#ifdef USE_PRAGMA_INTERFACE +#pragma interface /* gcc class implementation */ +#endif + + +typedef struct oqgraph_info_st OQGRAPH_INFO; + +#if MYSQL_VERSION_ID >= 50120 +typedef uchar byte; +#endif + +namespace open_query +{ + struct row; + class oqgraph; +} + +/* class for the the Open Query Graph handler */ + +class ha_oqgraph: public handler +{ + OQGRAPH_INFO *share; + open_query::oqgraph *graph; + THR_LOCK_DATA lock; + /* number of records changed since last statistics update */ + uint records_changed; + uint key_stat_version; + bool replace_dups, ignore_dups, insert_dups; + + int fill_record(byte*, const open_query::row&); + +public: +#if MYSQL_VERSION_ID >= 50100 + ha_oqgraph(handlerton *hton, TABLE_SHARE *table); + ulonglong table_flags() const; +#else + ha_oqgraph(TABLE *table); + ulong table_flags() const; +#endif + ~ha_oqgraph() {} + const char *table_type() const + { + return "OQGRAPH"; + } + const char *index_type(uint inx) + { + return "HASH"; + } + /* Rows also use a fixed-size format */ + enum row_type get_row_type() const { return ROW_TYPE_FIXED; } + const char **bas_ext() const; + ulong index_flags(uint inx, uint part, bool all_parts) const; + uint max_supported_keys() const { return MAX_KEY; } + uint max_supported_key_part_length() const { return MAX_KEY_LENGTH; } + double scan_time() { return (double) 1000000000; } + double read_time(uint index, uint ranges, ha_rows rows) + { return 1; } + + 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_next_same(byte * buf, const byte * key, uint key_len); + int rnd_init(bool scan); + int rnd_next(byte *buf); + int rnd_pos(byte * buf, byte *pos); + void position(const byte *record); + int info(uint); + int extra(enum ha_extra_function operation); + int external_lock(THD *thd, int lock_type); + int delete_all_rows(void); + ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key); + int delete_table(const char *from); + int rename_table(const char * from, const char * to); + int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info); + void update_create_info(HA_CREATE_INFO *create_info); + + THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, + enum thr_lock_type lock_type); + int cmp_ref(const byte *ref1, const byte *ref2); +private: + void update_key_stats(); +}; |