diff options
Diffstat (limited to 'sql/ha_myisam.h')
| -rw-r--r-- | sql/ha_myisam.h | 65 |
1 files changed, 34 insertions, 31 deletions
diff --git a/sql/ha_myisam.h b/sql/ha_myisam.h index 212850d8f28..b256d4777f9 100644 --- a/sql/ha_myisam.h +++ b/sql/ha_myisam.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB +/* Copyright (C) 2000,2004 MySQL AB & MySQL Finland AB & TCX DataKonsult 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 @@ -15,7 +15,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ -#ifdef __GNUC__ +#ifdef USE_PRAGMA_INTERFACE #pragma interface /* gcc class implementation */ #endif @@ -37,34 +37,34 @@ extern ulong myisam_recover_options; class ha_myisam: public handler { MI_INFO *file; - uint int_table_flags; + ulong int_table_flags; char *data_file_name, *index_file_name; - bool enable_activate_all_index; + bool can_enable_indexes; int repair(THD *thd, MI_CHECK ¶m, bool optimize); public: ha_myisam(TABLE *table): handler(table), file(0), - int_table_flags(HA_READ_RND_SAME | HA_KEYPOS_TO_RNDPOS | HA_LASTKEY_ORDER | - HA_NULL_KEY | HA_CAN_FULLTEXT | HA_CAN_SQL_HANDLER | - HA_DUPP_POS | HA_BLOB_KEY | HA_AUTO_PART_KEY | - HA_FILE_BASED), - enable_activate_all_index(1) + int_table_flags(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), + can_enable_indexes(1) {} ~ha_myisam() {} const char *table_type() const { return "MyISAM"; } const char *index_type(uint key_number); const char **bas_ext() const; ulong table_flags() const { return int_table_flags; } - ulong index_flags(uint inx) const + ulong index_flags(uint inx, uint part, bool all_parts) const { - ulong flags=(HA_READ_NEXT | HA_READ_PREV | HA_READ_ORDER); - return (flags | ((table->key_info[inx].algorithm == HA_KEY_ALG_FULLTEXT) ? - 0 : HA_KEY_READ_ONLY)); + return ((table->key_info[inx].algorithm == HA_KEY_ALG_FULLTEXT) ? + 0 : HA_READ_NEXT | HA_READ_PREV | HA_READ_RANGE | + HA_READ_ORDER | HA_KEYREAD_ONLY); } - uint max_record_length() const { return HA_MAX_REC_LENGTH; } - uint max_keys() const { return MI_MAX_KEY; } - uint max_key_parts() const { return MAX_REF_PARTS; } - uint max_key_length() const { return MI_MAX_KEY_LENGTH; } + uint max_supported_keys() const { return MI_MAX_KEY; } + uint max_supported_key_length() const { return MI_MAX_KEY_LENGTH; } + uint max_supported_key_part_length() const { return MI_MAX_KEY_LENGTH; } + uint checksum() const; int open(const char *name, int mode, uint test_if_locked); int close(void); @@ -81,7 +81,6 @@ class ha_myisam: public handler int index_first(byte * buf); int index_last(byte * buf); int index_next_same(byte *buf, const byte *key, uint keylen); - int index_end() { ft_handler=NULL; return 0; } int ft_init() { if (!ft_handler) @@ -89,29 +88,29 @@ class ha_myisam: public handler ft_handler->please->reinit_search(ft_handler); return 0; } - FT_INFO *ft_init_ext(uint mode, uint inx,const byte *key, uint keylen, - bool presort) - { return ft_init_search(mode, file,inx,(byte*) key,keylen,presort); } + FT_INFO *ft_init_ext(uint flags, uint inx,String *key) + { + return ft_init_search(flags,file,inx, + (byte *)key->ptr(), key->length(), key->charset(), + table->record[0]); + } int ft_read(byte *buf); - int rnd_init(bool scan=1); + int rnd_init(bool scan); int rnd_next(byte *buf); int rnd_pos(byte * buf, byte *pos); int restart_rnd_next(byte *buf, byte *pos); void position(const byte *record); - my_off_t row_position() { return mi_position(file); } void info(uint); int extra(enum ha_extra_function operation); int extra_opt(enum ha_extra_function operation, ulong cache_size); - int reset(void); int external_lock(THD *thd, int lock_type); int delete_all_rows(void); - void deactivate_non_unique_index(ha_rows rows); - bool activate_all_index(THD *thd); - ha_rows records_in_range(int inx, - const byte *start_key,uint start_key_len, - enum ha_rkey_function start_search_flag, - const byte *end_key,uint end_key_len, - enum ha_rkey_function end_search_flag); + int disable_indexes(uint mode); + int enable_indexes(uint mode); + int indexes_are_disabled(void); + void start_bulk_insert(ha_rows rows); + int end_bulk_insert(); + ha_rows records_in_range(uint inx, key_range *min_key, key_range *max_key); void update_create_info(HA_CREATE_INFO *create_info); int create(const char *name, TABLE *form, HA_CREATE_INFO *create_info); THR_LOCK_DATA **store_lock(THD *thd, THR_LOCK_DATA **to, @@ -128,6 +127,10 @@ class ha_myisam: public handler int optimize(THD* thd, HA_CHECK_OPT* check_opt); int restore(THD* thd, HA_CHECK_OPT* check_opt); int backup(THD* thd, HA_CHECK_OPT* check_opt); + int assign_to_keycache(THD* thd, HA_CHECK_OPT* check_opt); + int preload_keys(THD* thd, HA_CHECK_OPT* check_opt); +#ifdef HAVE_REPLICATION int dump(THD* thd, int fd); int net_read_dump(NET* net); +#endif }; |