Commit 2b8ff694 authored by serg@sergbook.mylan's avatar serg@sergbook.mylan

delete isam/merge files

parent 52770e86
AC_DEFUN([MYSQL_CHECK_ISAM], [
AC_ARG_WITH([isam], [
--with-isam Enable the ISAM table type],
[with_isam="$withval"],
[with_isam=no])
isam_libs=
if test X"$with_isam" = X"yes"
then
AC_DEFINE([HAVE_ISAM], [1], [Using old ISAM tables])
isam_libs="\$(top_builddir)/isam/libnisam.a\
\$(top_builddir)/merge/libmerge.a"
fi
AC_SUBST(isam_libs)
])
/* Copyright (C) 2000 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; either version 2 of the License, or
(at your option) any later version.
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 */
/* This file should be included when using merge_isam_funktions */
/* Author: Michael Widenius */
#ifndef _merge_h
#define _merge_h
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _my_base_h
#include <my_base.h>
#endif
#ifndef _nisam_h
#include <nisam.h>
#endif
#define MRG_NAME_EXT ".MRG"
/* Param to/from mrg_info */
typedef struct st_mrg_info /* Struct from h_info */
{
ulonglong records; /* Records in database */
ulonglong deleted; /* Deleted records in database */
ulonglong recpos; /* Pos for last used record */
ulonglong data_file_length;
uint reclength; /* Recordlength */
int errkey; /* With key was dupplicated on err */
uint options; /* HA_OPTION_... used */
} MERGE_INFO;
typedef struct st_mrg_table_info
{
N_INFO *table;
ulonglong file_offset;
} MRG_TABLE;
typedef struct st_merge
{
MRG_TABLE *open_tables,*current_table,*end_table,*last_used_table;
ulonglong records; /* records in tables */
ulonglong del; /* Removed records */
ulonglong data_file_length;
uint tables,options,reclength;
my_bool cache_in_use;
LIST open_list;
} MRG_INFO;
typedef ulong mrg_off_t;
/* Prototypes for merge-functions */
extern int mrg_close(MRG_INFO *file);
extern int mrg_delete(MRG_INFO *file,const byte *buff);
extern MRG_INFO *mrg_open(const char *name,int mode,int wait_if_locked);
extern int mrg_panic(enum ha_panic_function function);
extern int mrg_rfirst(MRG_INFO *file,byte *buf,int inx);
extern int mrg_rkey(MRG_INFO *file,byte *buf,int inx,const byte *key,
uint key_len, enum ha_rkey_function search_flag);
extern int mrg_rrnd(MRG_INFO *file,byte *buf, mrg_off_t pos);
extern int mrg_rsame(MRG_INFO *file,byte *record,int inx);
extern int mrg_update(MRG_INFO *file,const byte *old,const byte *new_rec);
extern int mrg_info(MRG_INFO *file,MERGE_INFO *x,int flag);
extern int mrg_lock_database(MRG_INFO *file,int lock_type);
extern int mrg_create(const char *name,const char **table_names);
extern int mrg_extra(MRG_INFO *file,enum ha_extra_function function);
extern ha_rows mrg_records_in_range(MRG_INFO *info,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);
extern mrg_off_t mrg_position(MRG_INFO *info);
#ifdef __cplusplus
}
#endif
#endif
/* Copyright (C) 2000 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; either version 2 of the License, or
(at your option) any later version.
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 */
/* This file should be included when using nisam_funktions */
/* Author: Michael Widenius */
#ifndef _nisam_h
#define _nisam_h
#ifdef __cplusplus
extern "C" {
#endif
#ifndef _my_base_h
#include <my_base.h>
#endif
/* defines used by nisam-funktions */
#define N_MAXKEY 16 /* Max allowed keys */
#define N_MAXKEY_SEG 16 /* Max segments for key */
#define N_MAX_KEY_LENGTH 256 /* May be increased up to 500 */
#define N_MAX_KEY_BUFF (N_MAX_KEY_LENGTH+N_MAXKEY_SEG+sizeof(double)-1)
#define N_MAX_POSSIBLE_KEY_BUFF 500+9
#define N_NAME_IEXT ".ISM"
#define N_NAME_DEXT ".ISD"
#define NI_POS_ERROR (~ (ulong) 0)
/* Param to/from nisam_info */
typedef struct st_n_isaminfo /* Struct from h_info */
{
ulong records; /* Records in database */
ulong deleted; /* Deleted records in database */
ulong recpos; /* Pos for last used record */
ulong newrecpos; /* Pos if we write new record */
ulong dupp_key_pos; /* Position to record with dupp key */
ulong data_file_length, /* Length of data file */
max_data_file_length,
index_file_length,
max_index_file_length,
delete_length;
uint reclength; /* Recordlength */
uint mean_reclength; /* Mean recordlength (if packed) */
uint keys; /* How many keys used */
uint options; /* HA_OPTION_... used */
int errkey, /* With key was dupplicated on err */
sortkey; /* clustered by this key */
File filenr; /* (uniq) filenr for datafile */
time_t create_time; /* When table was created */
time_t isamchk_time;
time_t update_time;
ulong *rec_per_key; /* for sql optimizing */
} N_ISAMINFO;
/* Info saved on file for each info-part */
#ifdef __WATCOMC__
#pragma pack(2)
#define uint uint16 /* Same format as in MSDOS */
#endif
#ifdef __ZTC__
#pragma ZTC align 2
#define uint uint16 /* Same format as in MSDOS */
#endif
typedef struct st_n_save_keyseg /* Key-portion */
{
uint8 type; /* Typ av nyckel (f|r sort) */
uint8 flag; /* HA_DIFF_LENGTH */
uint16 start; /* Start of key in record */
uint16 length; /* Keylength */
} N_SAVE_KEYSEG;
typedef struct st_n_save_keydef /* Key definition with create & info */
{
uint8 flag; /* NOSAME, PACK_USED */
uint8 keysegs; /* Number of key-segment */
uint16 block_length; /* Length of keyblock (auto) */
uint16 keylength; /* Tot length of keyparts (auto) */
uint16 minlength; /* min length of (packed) key (auto) */
uint16 maxlength; /* max length of (packed) key (auto) */
} N_SAVE_KEYDEF;
typedef struct st_n_save_recinfo /* Info of record */
{
int16 type; /* en_fieldtype */
uint16 length; /* length of field */
} N_SAVE_RECINFO;
#ifdef __ZTC__
#pragma ZTC align
#undef uint
#endif
#ifdef __WATCOMC__
#pragma pack()
#undef uint
#endif
struct st_isam_info; /* For referense */
#ifndef ISAM_LIBRARY
typedef struct st_isam_info N_INFO;
#endif
typedef struct st_n_keyseg /* Key-portion */
{
N_SAVE_KEYSEG base;
} N_KEYSEG;
typedef struct st_n_keydef /* Key definition with open & info */
{
N_SAVE_KEYDEF base;
N_KEYSEG seg[N_MAXKEY_SEG+1];
int (*bin_search)(struct st_isam_info *info,struct st_n_keydef *keyinfo,
uchar *page,uchar *key,
uint key_len,uint comp_flag,uchar * *ret_pos,
uchar *buff);
uint (*get_key)(struct st_n_keydef *keyinfo,uint nod_flag,uchar * *page,
uchar *key);
} N_KEYDEF;
typedef struct st_decode_tree /* Decode huff-table */
{
uint16 *table;
uint quick_table_bits;
byte *intervalls;
} DECODE_TREE;
struct st_bit_buff;
typedef struct st_n_recinfo /* Info of record */
{
N_SAVE_RECINFO base;
#ifndef NOT_PACKED_DATABASES
void (*unpack)(struct st_n_recinfo *rec,struct st_bit_buff *buff,
uchar *start,uchar *end);
enum en_fieldtype base_type;
uint space_length_bits,pack_type;
DECODE_TREE *huff_tree;
#endif
} N_RECINFO;
extern my_string nisam_log_filename; /* Name of logfile */
extern uint nisam_block_size;
extern my_bool nisam_flush;
/* Prototypes for nisam-functions */
extern int nisam_close(struct st_isam_info *file);
extern int nisam_delete(struct st_isam_info *file,const byte *buff);
extern struct st_isam_info *nisam_open(const char *name,int mode,
uint wait_if_locked);
extern int nisam_panic(enum ha_panic_function function);
extern int nisam_rfirst(struct st_isam_info *file,byte *buf,int inx);
extern int nisam_rkey(struct st_isam_info *file,byte *buf,int inx,
const byte *key,
uint key_len, enum ha_rkey_function search_flag);
extern int nisam_rlast(struct st_isam_info *file,byte *buf,int inx);
extern int nisam_rnext(struct st_isam_info *file,byte *buf,int inx);
extern int nisam_rprev(struct st_isam_info *file,byte *buf,int inx);
extern int nisam_rrnd(struct st_isam_info *file,byte *buf,ulong pos);
extern int nisam_rsame(struct st_isam_info *file,byte *record,int inx);
extern int nisam_rsame_with_pos(struct st_isam_info *file,byte *record,
int inx,ulong pos);
extern int nisam_update(struct st_isam_info *file,const byte *old,
const byte *new_record);
extern int nisam_write(struct st_isam_info *file,const byte *buff);
extern int nisam_info(struct st_isam_info *file,N_ISAMINFO *x,int flag);
extern ulong nisam_position(struct st_isam_info *info);
extern int nisam_lock_database(struct st_isam_info *file,int lock_type);
extern int nisam_create(const char *name,uint keys,N_KEYDEF *keyinfo,
N_RECINFO *recinfo,ulong records,
ulong reloc,uint flags,uint options,
ulong data_file_length);
extern int nisam_extra(struct st_isam_info *file,
enum ha_extra_function function);
extern ulong nisam_records_in_range(struct st_isam_info *info,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);
extern int nisam_log(int activate_log);
extern int nisam_is_changed(struct st_isam_info *info);
extern uint _calc_blob_length(uint length , const byte *pos);
#ifdef __cplusplus
}
#endif
#endif
-- require r/have_isam.require
disable_query_log;
show variables like "have_isam";
enable_query_log;
Variable_name Value
have_isam YES
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