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myisam/mi_debug.c: ***MISSING WEAVE*** Docs/internals.texi: Added coding guidelines Docs/manual.texi: Changelog update + Win32 -> Windows client/mysql.cc: Changed --no-named-commands to be on by default client/mysqlimport.c: Bug fix include/config-win.h: Update of supported functions include/global.h: Removed compiler warning libmysql/libmysql.c: Fix for Ia64 myisam/ChangeLog: Changelog myisam/Makefile.am: Added file mi_dbug.c myisam/ft_stopwords.c: Fix for Ia64 myisam/mi_delete_table.c: Extra debugging myisam/mi_rename.c: Extra debugging myisam/mi_rnext.c: Fixed bug with MIN and concurrent insert myisam/mi_rprev.c: Fixed bug with MAX and concurrent insert myisam/mi_search.c: Fixed bug with DECIMAL/NUMERIC keys myisam/myisamdef.h: Extra debugging scripts/make_binary_distribution.sh: Added thread safe mysql library sql/ha_heap.cc: Fix of HEAP bug with range keys sql/ha_heap.h: Fix of HEAP bug with range keys sql/handler.cc: Optimizing sql/handler.h: Optimizing sql/lock.cc: More DEBUG + fix of RENAME bug sql/mini_client.cc: Fix for Ia64 sql/mysql_priv.h: Fix for name locks sql/mysqld.cc: Shorter message if wrong options sql/opt_range.cc: Added TODO sql/sql_base.cc: Fix for DROP TABLE sql/sql_parse.cc: Fix of permission checking for CHECK TABLE sql/sql_select.cc: Fix of using LEFT JOIN with empty table sql/table.h: Fix for name locks tests/fork_test.pl: Fixed typo
86 lines
3 KiB
C++
86 lines
3 KiB
C++
/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#ifdef __GNUC__
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#pragma interface /* gcc class implementation */
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#endif
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/* class for the the heap handler */
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#include <heap.h>
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class ha_heap: public handler
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{
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HP_INFO *file;
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public:
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ha_heap(TABLE *table): handler(table), file(0) {}
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~ha_heap() {}
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const char *table_type() const { return "HEAP"; }
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const char **bas_ext() const;
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ulong option_flag() const
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{ return (HA_READ_RND_SAME+HA_NO_INDEX+HA_BINARY_KEYS+HA_WRONG_ASCII_ORDER+
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HA_KEYPOS_TO_RNDPOS+HA_NO_BLOBS+HA_REC_NOT_IN_SEQ); }
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uint max_record_length() const { return HA_MAX_REC_LENGTH; }
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uint max_keys() const { return MAX_KEY; }
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uint max_key_parts() const { return MAX_REF_PARTS; }
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uint max_key_length() const { return HA_MAX_REC_LENGTH; }
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virtual double scan_time() { return (double) (records+deleted) / 100.0; }
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virtual double read_time(ha_rows rows) { return (double) rows / 100.0; }
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virtual bool fast_key_read() { return 1;}
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int open(const char *name, int mode, int test_if_locked);
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int close(void);
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int write_row(byte * buf);
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int update_row(const byte * old_data, byte * new_data);
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int delete_row(const byte * buf);
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int index_read(byte * buf, const byte * key,
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uint key_len, enum ha_rkey_function find_flag);
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int index_read_idx(byte * buf, uint idx, const byte * key,
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uint key_len, enum ha_rkey_function find_flag);
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int index_next(byte * buf);
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int index_prev(byte * buf);
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int index_first(byte * buf);
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int index_last(byte * buf);
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int rnd_init(bool scan=1);
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int rnd_next(byte *buf);
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int rnd_pos(byte * buf, byte *pos);
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void position(const byte *record);
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void info(uint);
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int extra(enum ha_extra_function operation);
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int reset(void);
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int external_lock(THD *thd, int lock_type);
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int delete_all_rows(void);
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ha_rows records_in_range(int inx, const byte *start_key,uint start_key_len,
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enum ha_rkey_function start_search_flag,
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const byte *end_key,uint end_key_len,
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enum ha_rkey_function end_search_flag);
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int delete_table(const char *from);
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int rename_table(const char * from, const char * to);
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int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info);
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THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to,
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enum thr_lock_type lock_type);
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};
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