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authorSergei Golubchik <sergii@pisem.net>2010-11-25 18:17:28 +0100
committerSergei Golubchik <sergii@pisem.net>2010-11-25 18:17:28 +0100
commit65ca700def99289cc31a7040537f5aa6e12bf485 (patch)
tree97b3a07299b626c519da0e80c122b5b79b933914 /storage/oqgraph/ha_oqgraph.h
parent2ab57de38d13d927ddff2d51aed4af34e13998f5 (diff)
parent6e5bcca7935d3c62f84bb640e5357664a210ee12 (diff)
downloadmariadb-git-65ca700def99289cc31a7040537f5aa6e12bf485.tar.gz
merge.
checkpoint. does not compile.
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diff --git a/storage/oqgraph/ha_oqgraph.h b/storage/oqgraph/ha_oqgraph.h
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+/* 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();
+};