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Diffstat (limited to 'mariadb-connector-c-v_2.3.7/include/my_base.h')
| -rw-r--r-- | mariadb-connector-c-v_2.3.7/include/my_base.h | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/mariadb-connector-c-v_2.3.7/include/my_base.h b/mariadb-connector-c-v_2.3.7/include/my_base.h new file mode 100644 index 0000000..da123d3 --- /dev/null +++ b/mariadb-connector-c-v_2.3.7/include/my_base.h @@ -0,0 +1,287 @@ +/* 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 */ |