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BitKeeper/etc/logging_ok: auto-union VC++Files/sql/mysqld.dsp: Auto merged acinclude.m4: Auto merged include/my_base.h: Auto merged include/myisam.h: Auto merged include/myisammrg.h: Auto merged libmysql/libmysql.c: Auto merged myisam/mi_check.c: Auto merged myisam/mi_write.c: Auto merged myisam/myisamdef.h: Auto merged mysql-test/mysql-test-run.sh: Auto merged mysql-test/r/case.result: Auto merged mysql-test/r/distinct.result: Auto merged mysql-test/r/fulltext.result: Auto merged mysql-test/r/key_diff.result: Auto merged mysql-test/r/multi_update.result: Auto merged mysql-test/r/order_by.result: Auto merged mysql-test/r/select.result: Auto merged mysql-test/r/show_check.result: Auto merged mysql-test/t/multi_update.test: Auto merged mysql-test/t/rpl_log_pos.test: Auto merged mysys/Makefile.am: Auto merged scripts/Makefile.am: Auto merged sql/field.cc: Auto merged sql/ha_innodb.cc: Auto merged sql/ha_myisam.cc: Auto merged sql/ha_myisammrg.cc: Auto merged sql/ha_myisammrg.h: Auto merged sql/item_cmpfunc.cc: Auto merged sql/item_create.h: Auto merged sql/item_func.cc: Auto merged sql/item_func.h: Auto merged sql/lex.h: Auto merged sql/log.cc: Auto merged sql/net_serv.cc: Auto merged sql/repl_failsafe.cc: Auto merged sql/set_var.h: Auto merged sql/slave.cc: Auto merged sql/slave.h: Auto merged sql/sql_acl.cc: Auto merged sql/sql_insert.cc: Auto merged sql/sql_load.cc: Auto merged sql/sql_select.cc: Auto merged sql/sql_udf.cc: Auto merged sql/sql_update.cc: Auto merged sql-bench/crash-me.sh: Auto merged sql-bench/server-cfg.sh: Auto merged sql/share/english/errmsg.txt: Auto merged sql/structs.h: Auto merged
113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
/* Copyright (C) 2000 MySQL 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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/* This file should be included when using merge_isam_funktions */
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#ifndef _myisammrg_h
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#define _myisammrg_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _my_base_h
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#include <my_base.h>
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#endif
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#ifndef _myisam_h
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#include <myisam.h>
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#endif
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#include <queues.h>
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#define MYRG_NAME_EXT ".MRG"
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/* In which table to INSERT rows */
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#define MERGE_INSERT_DISABLED 0
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#define MERGE_INSERT_TO_FIRST 1
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#define MERGE_INSERT_TO_LAST 2
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extern TYPELIB merge_insert_method;
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/* Param to/from myrg_info */
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typedef struct st_mymerge_info /* Struct from h_info */
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{
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ulonglong records; /* Records in database */
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ulonglong deleted; /* Deleted records in database */
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ulonglong recpos; /* Pos for last used record */
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ulonglong data_file_length;
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uint reclength; /* Recordlength */
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int errkey; /* With key was dupplicated on err */
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uint options; /* HA_OPTION_... used */
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ulong *rec_per_key; /* for sql optimizing */
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} MYMERGE_INFO;
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typedef struct st_myrg_table_info
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{
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struct st_myisam_info *table;
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ulonglong file_offset;
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} MYRG_TABLE;
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typedef struct st_myrg_info
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{
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MYRG_TABLE *open_tables,*current_table,*end_table,*last_used_table;
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ulonglong records; /* records in tables */
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ulonglong del; /* Removed records */
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ulonglong data_file_length;
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ulong cache_size;
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uint merge_insert_method;
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uint tables,options,reclength,keys;
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my_bool cache_in_use;
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LIST open_list;
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QUEUE by_key;
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ulong *rec_per_key_part; /* for sql optimizing */
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} MYRG_INFO;
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/* Prototypes for merge-functions */
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extern int myrg_close(MYRG_INFO *file);
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extern int myrg_delete(MYRG_INFO *file,const byte *buff);
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extern MYRG_INFO *myrg_open(const char *name,int mode,int wait_if_locked);
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extern int myrg_panic(enum ha_panic_function function);
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extern int myrg_rfirst(MYRG_INFO *file,byte *buf,int inx);
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extern int myrg_rlast(MYRG_INFO *file,byte *buf,int inx);
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extern int myrg_rnext(MYRG_INFO *file,byte *buf,int inx);
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extern int myrg_rprev(MYRG_INFO *file,byte *buf,int inx);
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extern int myrg_rnext_same(MYRG_INFO *file,byte *buf);
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extern int myrg_rkey(MYRG_INFO *file,byte *buf,int inx,const byte *key,
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uint key_len, enum ha_rkey_function search_flag);
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extern int myrg_rrnd(MYRG_INFO *file,byte *buf,ulonglong pos);
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extern int myrg_rsame(MYRG_INFO *file,byte *record,int inx);
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extern int myrg_update(MYRG_INFO *file,const byte *old,byte *new_rec);
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extern int myrg_write(MYRG_INFO *info,byte *rec);
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extern int myrg_status(MYRG_INFO *file,MYMERGE_INFO *x,int flag);
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extern int myrg_lock_database(MYRG_INFO *file,int lock_type);
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extern int myrg_create(const char *name, const char **table_names,
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uint insert_method, my_bool fix_names);
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extern int myrg_extra(MYRG_INFO *file,enum ha_extra_function function,
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void *extra_arg);
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extern void myrg_extrafunc(MYRG_INFO *info,invalidator_by_filename inv);
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extern ha_rows myrg_records_in_range(MYRG_INFO *info,int inx,
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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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extern ulonglong myrg_position(MYRG_INFO *info);
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#ifdef __cplusplus
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}
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#endif
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#endif
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