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SqMod/module/Vendor/MDBC/include/my_base.h
Sandu Liviu Catalin 2ee661ee65 Integrate MySQL module.
2020-03-22 14:54:40 +02:00

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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
MA 02111-1301, USA */
/* This file includes constants used with all databases */
/* Author: Michael Widenius */
#ifndef _my_base_h
#define _my_base_h
#ifndef stdin /* Included first in handler */
#define USES_TYPES /* my_dir with sys/types is included */
#define CHSIZE_USED
#include <global.h>
#include <my_dir.h> /* This includes types */
#include <my_sys.h>
#include <m_string.h>
#include <errno.h>
#ifdef MSDOS
#include <share.h> /* Neaded for sopen() */
#endif
#if !defined(USE_MY_FUNC) && !defined(THREAD)
#include <my_nosys.h> /* For faster code, after test */
#endif /* USE_MY_FUNC */
#endif /* stdin */
#include <my_list.h>
/* The following is bits in the flag parameter to ha_open() */
#define HA_OPEN_ABORT_IF_LOCKED 0 /* default */
#define HA_OPEN_WAIT_IF_LOCKED 1
#define HA_OPEN_IGNORE_IF_LOCKED 2
#define HA_OPEN_TMP_TABLE 4 /* Table is a temp table */
#define HA_OPEN_DELAY_KEY_WRITE 8 /* Don't update index */
#define HA_OPEN_ABORT_IF_CRASHED 16
#define HA_OPEN_FOR_REPAIR 32 /* open even if crashed */
/* The following is parameter to ha_rkey() how to use key */
enum ha_rkey_function {
HA_READ_KEY_EXACT, /* Find first record else error */
HA_READ_KEY_OR_NEXT, /* Record or next record */
HA_READ_KEY_OR_PREV, /* Record or previous */
HA_READ_AFTER_KEY, /* Find next rec. after key-record */
HA_READ_BEFORE_KEY, /* Find next rec. before key-record */
HA_READ_PREFIX, /* Key which as same prefix */
HA_READ_PREFIX_LAST /* Last key with the same prefix */
};
/* The following is parameter to ha_extra() */
enum ha_extra_function {
HA_EXTRA_NORMAL=0, /* Optimize for space (def) */
HA_EXTRA_QUICK=1, /* Optimize for speed */
HA_EXTRA_RESET=2, /* Reset database to after open */
HA_EXTRA_CACHE=3, /* Cash record in HA_rrnd() */
HA_EXTRA_NO_CACHE=4, /* End cacheing of records (def) */
HA_EXTRA_NO_READCHECK=5, /* No readcheck on update */
HA_EXTRA_READCHECK=6, /* Use readcheck (def) */
HA_EXTRA_KEYREAD=7, /* Read only key to database */
HA_EXTRA_NO_KEYREAD=8, /* Normal read of records (def) */
HA_EXTRA_NO_USER_CHANGE=9, /* No user is allowed to write */
HA_EXTRA_KEY_CACHE=10,
HA_EXTRA_NO_KEY_CACHE=11,
HA_EXTRA_WAIT_LOCK=12, /* Wait until file is avalably (def) */
HA_EXTRA_NO_WAIT_LOCK=13, /* If file is locked, return quickly */
HA_EXTRA_WRITE_CACHE=14, /* Use write cache in ha_write() */
HA_EXTRA_FLUSH_CACHE=15, /* flush write_record_cache */
HA_EXTRA_NO_KEYS=16, /* Remove all update of keys */
HA_EXTRA_KEYREAD_CHANGE_POS=17, /* Keyread, but change pos */
/* xxxxchk -r must be used */
HA_EXTRA_REMEMBER_POS=18, /* Remember pos for next/prev */
HA_EXTRA_RESTORE_POS=19,
HA_EXTRA_REINIT_CACHE=20, /* init cache from current record */
HA_EXTRA_FORCE_REOPEN=21, /* Datafile have changed on disk */
HA_EXTRA_FLUSH, /* Flush tables to disk */
HA_EXTRA_NO_ROWS, /* Don't write rows */
HA_EXTRA_RESET_STATE, /* Reset positions */
HA_EXTRA_IGNORE_DUP_KEY, /* Dup keys don't rollback everything*/
HA_EXTRA_NO_IGNORE_DUP_KEY,
HA_EXTRA_DONT_USE_CURSOR_TO_UPDATE /* Cursor will not be used for update */
};
/* The following is parameter to ha_panic() */
enum ha_panic_function {
HA_PANIC_CLOSE, /* Close all databases */
HA_PANIC_WRITE, /* Unlock and write status */
HA_PANIC_READ /* Lock and read keyinfo */
};
/* The following is parameter to ha_create(); keytypes */
enum ha_base_keytype {
HA_KEYTYPE_END=0,
HA_KEYTYPE_TEXT=1, /* Key is sorted as letters */
HA_KEYTYPE_BINARY=2, /* Key is sorted as unsigned chars */
HA_KEYTYPE_SHORT_INT=3,
HA_KEYTYPE_LONG_INT=4,
HA_KEYTYPE_FLOAT=5,
HA_KEYTYPE_DOUBLE=6,
HA_KEYTYPE_NUM=7, /* Not packed num with pre-space */
HA_KEYTYPE_USHORT_INT=8,
HA_KEYTYPE_ULONG_INT=9,
HA_KEYTYPE_LONGLONG=10,
HA_KEYTYPE_ULONGLONG=11,
HA_KEYTYPE_INT24=12,
HA_KEYTYPE_UINT24=13,
HA_KEYTYPE_INT8=14,
HA_KEYTYPE_VARTEXT=15, /* Key is sorted as letters */
HA_KEYTYPE_VARBINARY=16 /* Key is sorted as unsigned chars */
};
#define HA_MAX_KEYTYPE 31 /* Must be log2-1 */
/* These flags kan be OR:ed to key-flag */
#define HA_NOSAME 1 /* Set if not dupplicated records */
#define HA_PACK_KEY 2 /* Pack string key to previous key */
#define HA_AUTO_KEY 16
#define HA_BINARY_PACK_KEY 32 /* Packing of all keys to prev key */
#define HA_FULLTEXT 128 /* SerG: for full-text search */
#define HA_UNIQUE_CHECK 256 /* Check the key for uniqueness */
/* Automatic bits in key-flag */
#define HA_SPACE_PACK_USED 4 /* Test for if SPACE_PACK used */
#define HA_VAR_LENGTH_KEY 8
#define HA_NULL_PART_KEY 64
#ifndef ISAM_LIBRARY
#define HA_SORT_ALLOWS_SAME 512 /* Intern bit when sorting records */
#else
/* poor old NISAM has 8-bit flags :-( */
#define HA_SORT_ALLOWS_SAME 128 /* Intern bit when sorting records */
#endif
/* These flags can be order to key-seg-flag */
#define HA_SPACE_PACK 1 /* Pack space in key-seg */
#define HA_PART_KEY 4 /* Used by MySQL for part-key-cols */
#define HA_VAR_LENGTH 8
#define HA_NULL_PART 16
#define HA_BLOB_PART 32
#define HA_SWAP_KEY 64
#define HA_REVERSE_SORT 128 /* Sort key in reverse order */
/* optionbits for database */
#define HA_OPTION_PACK_RECORD 1
#define HA_OPTION_PACK_KEYS 2
#define HA_OPTION_COMPRESS_RECORD 4
#define HA_OPTION_LONG_BLOB_PTR 8 /* new ISAM format */
#define HA_OPTION_TMP_TABLE 16
#define HA_OPTION_CHECKSUM 32
#define HA_OPTION_DELAY_KEY_WRITE 64
#define HA_OPTION_NO_PACK_KEYS 128 /* Reserved for MySQL */
#define HA_OPTION_TEMP_COMPRESS_RECORD ((uint) 16384) /* set by isamchk */
#define HA_OPTION_READ_ONLY_DATA ((uint) 32768) /* Set by isamchk */
/* Bits in flag to create() */
#define HA_DONT_TOUCH_DATA 1 /* Don't empty datafile (isamchk) */
#define HA_PACK_RECORD 2 /* Request packed record format */
#define HA_CREATE_TMP_TABLE 4
#define HA_CREATE_CHECKSUM 8
#define HA_CREATE_DELAY_KEY_WRITE 64
/* Bits in flag to _status */
#define HA_STATUS_POS 1 /* Return position */
#define HA_STATUS_NO_LOCK 2 /* Don't use external lock */
#define HA_STATUS_TIME 4 /* Return update time */
#define HA_STATUS_CONST 8 /* Return constants values */
#define HA_STATUS_VARIABLE 16
#define HA_STATUS_ERRKEY 32
#define HA_STATUS_AUTO 64
/* Errorcodes given by functions */
#define HA_ERR_KEY_NOT_FOUND 120 /* Didn't find key on read or update */
#define HA_ERR_FOUND_DUPP_KEY 121 /* Dupplicate key on write */
#define HA_ERR_RECORD_CHANGED 123 /* Uppdate with is recoverable */
#define HA_ERR_WRONG_INDEX 124 /* Wrong index given to function */
#define HA_ERR_CRASHED 126 /* Indexfile is crashed */
#define HA_ERR_WRONG_IN_RECORD 127 /* Record-file is crashed */
#define HA_ERR_OUT_OF_MEM 128 /* Record-file is crashed */
#define HA_ERR_WRONG_COMMAND 131 /* Command not supported */
#define HA_ERR_OLD_FILE 132 /* old databasfile */
#define HA_ERR_NO_ACTIVE_RECORD 133 /* No record read in update() */
#define HA_ERR_RECORD_DELETED 134 /* Intern error-code */
#define HA_ERR_RECORD_FILE_FULL 135 /* No more room in file */
#define HA_ERR_INDEX_FILE_FULL 136 /* No more room in file */
#define HA_ERR_END_OF_FILE 137 /* end in next/prev/first/last */
#define HA_ERR_UNSUPPORTED 138 /* unsupported extension used */
#define HA_ERR_TO_BIG_ROW 139 /* Too big row */
#define HA_WRONG_CREATE_OPTION 140 /* Wrong create option */
#define HA_ERR_FOUND_DUPP_UNIQUE 141 /* Dupplicate unique on write */
#define HA_ERR_UNKNOWN_CHARSET 142 /* Can't open charset */
#define HA_ERR_WRONG_TABLE_DEF 143
#define HA_ERR_CRASHED_ON_REPAIR 144 /* Last (automatic?) repair failed */
#define HA_ERR_CRASHED_ON_USAGE 145 /* Table must be repaired */
#define HA_ERR_LOCK_WAIT_TIMEOUT 146
#define HA_ERR_LOCK_TABLE_FULL 147
#define HA_ERR_READ_ONLY_TRANSACTION 148 /* Updates not allowed */
#define HA_ERR_LOCK_DEADLOCK 149
#define HA_ERR_CANNOT_ADD_FOREIGN 150 /* Cannot add a foreign key constr. */
#define HA_ERR_NO_REFERENCED_ROW 151 /* Cannot add a child row */
#define HA_ERR_ROW_IS_REFERENCED 152 /* Cannot delete a parent row */
/* Other constants */
#define HA_NAMELEN 64 /* Max length of saved filename */
/* Intern constants in databases */
/* bits in _search */
#define SEARCH_FIND 1
#define SEARCH_NO_FIND 2
#define SEARCH_SAME 4
#define SEARCH_BIGGER 8
#define SEARCH_SMALLER 16
#define SEARCH_SAVE_BUFF 32
#define SEARCH_UPDATE 64
#define SEARCH_PREFIX 128
#define SEARCH_LAST 256
/* bits in opt_flag */
#define QUICK_USED 1
#define READ_CACHE_USED 2
#define READ_CHECK_USED 4
#define KEY_READ_USED 8
#define WRITE_CACHE_USED 16
#define OPT_NO_ROWS 32
/* bits in update */
#define HA_STATE_CHANGED 1 /* Database has changed */
#define HA_STATE_AKTIV 2 /* Has a current record */
#define HA_STATE_WRITTEN 4 /* Record is written */
#define HA_STATE_DELETED 8
#define HA_STATE_NEXT_FOUND 16 /* Next found record (record before) */
#define HA_STATE_PREV_FOUND 32 /* Prev found record (record after) */
#define HA_STATE_NO_KEY 64 /* Last read didn't find record */
#define HA_STATE_KEY_CHANGED 128
#define HA_STATE_WRITE_AT_END 256 /* set in _ps_find_writepos */
#define HA_STATE_BUFF_SAVED 512 /* If current keybuff is info->buff */
#define HA_STATE_ROW_CHANGED 1024 /* To invalide ROW cache */
#define HA_STATE_EXTEND_BLOCK 2048
enum en_fieldtype {
FIELD_LAST=-1,FIELD_NORMAL,FIELD_SKIPP_ENDSPACE,FIELD_SKIPP_PRESPACE,
FIELD_SKIPP_ZERO,FIELD_BLOB,FIELD_CONSTANT,FIELD_INTERVALL,FIELD_ZERO,
FIELD_VARCHAR,FIELD_CHECK
};
enum data_file_type {
STATIC_RECORD,DYNAMIC_RECORD,COMPRESSED_RECORD
};
/* For number of records */
#ifdef BIG_TABLES
typedef my_off_t ha_rows;
#else
typedef ulong ha_rows;
#endif
#define HA_POS_ERROR (~ (ha_rows) 0)
#define HA_OFFSET_ERROR (~ (my_off_t) 0)
#if SYSTEM_SIZEOF_OFF_T == 4
#define MAX_FILE_SIZE INT_MAX32
#else
#define MAX_FILE_SIZE LONGLONG_MAX
#endif
#endif /* _my_base_h */
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