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Diffstat (limited to 'mysql/my_base.h')
| -rw-r--r-- | mysql/my_base.h | 647 |
1 files changed, 647 insertions, 0 deletions
diff --git a/mysql/my_base.h b/mysql/my_base.h new file mode 100644 index 0000000..22587ec --- /dev/null +++ b/mysql/my_base.h @@ -0,0 +1,647 @@ +/* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. + + 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; version 2 of the License. + + 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., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */ + + +/* This file includes constants used with all databases */ + +#ifndef _my_base_h +#define _my_base_h + +#include "my_global.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 */ +#define HA_OPEN_FROM_SQL_LAYER 64 +#define HA_OPEN_MMAP 128 /* open memory mapped */ +#define HA_OPEN_COPY 256 /* Open copy (for repair) */ +/* Internal temp table, used for temporary results */ +#define HA_OPEN_INTERNAL_TABLE 512 +/** + Don't connect any share_psi to the handler, since it is a partition. + It would not be used, since partitions don't call unbind_psi()/rebind_psi(). +*/ +#define HA_OPEN_NO_PSI_CALL 1024 /* Don't call/connect PSI */ + +/* The following is parameter to ha_rkey() how to use key */ + +/* + We define a complete-field prefix of a key value as a prefix where + the last included field in the prefix contains the full field, not + just some bytes from the start of the field. A partial-field prefix + is allowed to contain only a few first bytes from the last included + field. + + Below HA_READ_KEY_EXACT, ..., HA_READ_BEFORE_KEY can take a + complete-field prefix of a key value as the search + key. HA_READ_PREFIX and HA_READ_PREFIX_LAST could also take a + partial-field prefix, but currently (4.0.10) they are only used with + complete-field prefixes. MySQL uses a padding trick to implement + LIKE 'abc%' queries. + + NOTE that in InnoDB HA_READ_PREFIX_LAST will NOT work with a + partial-field prefix because InnoDB currently strips spaces from the + end of varchar fields! +*/ + +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 */ + HA_READ_PREFIX_LAST_OR_PREV, /* Last or prev key with the same prefix */ + HA_READ_MBR_CONTAIN, /* Minimum Bounding Rectangle contains */ + HA_READ_MBR_INTERSECT, /* Minimum Bounding Rectangle intersect */ + HA_READ_MBR_WITHIN, /* Minimum Bounding Rectangle within */ + HA_READ_MBR_DISJOINT, /* Minimum Bounding Rectangle disjoint */ + HA_READ_MBR_EQUAL, /* Minimum Bounding Rectangle equal */ + HA_READ_INVALID= -1 /* Invalid enumeration value, always last. */ +}; + + /* Key algorithm types */ + +enum ha_key_alg { + HA_KEY_ALG_UNDEF= 0, /* Not specified (old file) */ + HA_KEY_ALG_BTREE= 1, /* B-tree, default one */ + HA_KEY_ALG_RTREE= 2, /* R-tree, for spatial searches */ + HA_KEY_ALG_HASH= 3, /* HASH keys (HEAP tables) */ + HA_KEY_ALG_FULLTEXT= 4 /* FULLTEXT (MyISAM tables) */ +}; + + /* Storage media types */ + +enum ha_storage_media { + HA_SM_DEFAULT= 0, /* Not specified (engine default) */ + HA_SM_DISK= 1, /* DISK storage */ + HA_SM_MEMORY= 2 /* MAIN MEMORY storage */ +}; + + /* 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_NOT_USED=2, + HA_EXTRA_CACHE=3, /* Cache record in HA_rrnd() */ + HA_EXTRA_NO_CACHE=4, /* End caching 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_PREPARE_FOR_DROP, + HA_EXTRA_PREPARE_FOR_UPDATE, /* Remove read cache if problems */ + HA_EXTRA_PRELOAD_BUFFER_SIZE, /* Set buffer size for preloading */ + /* + On-the-fly switching between unique and non-unique key inserting. + */ + HA_EXTRA_CHANGE_KEY_TO_UNIQUE, + HA_EXTRA_CHANGE_KEY_TO_DUP, + /* + When using HA_EXTRA_KEYREAD, overwrite only key member fields and keep + other fields intact. When this is off (by default) InnoDB will use memcpy + to overwrite entire row. + */ + HA_EXTRA_KEYREAD_PRESERVE_FIELDS, + HA_EXTRA_MMAP, + /* + Ignore if the a tuple is not found, continue processing the + transaction and ignore that 'row'. Needed for idempotency + handling on the slave + + Currently only used by NDB storage engine. Partition handler ignores flag. + */ + HA_EXTRA_IGNORE_NO_KEY, + HA_EXTRA_NO_IGNORE_NO_KEY, + /* + Mark the table as a log table. For some handlers (e.g. CSV) this results + in a special locking for the table. + */ + HA_EXTRA_MARK_AS_LOG_TABLE, + /* + Informs handler that write_row() which tries to insert new row into the + table and encounters some already existing row with same primary/unique + key can replace old row with new row instead of reporting error (basically + it informs handler that we do REPLACE instead of simple INSERT). + Off by default. + */ + HA_EXTRA_WRITE_CAN_REPLACE, + HA_EXTRA_WRITE_CANNOT_REPLACE, + /* + Inform handler that delete_row()/update_row() cannot batch deletes/updates + and should perform them immediately. This may be needed when table has + AFTER DELETE/UPDATE triggers which access to subject table. + These flags are reset by the handler::extra(HA_EXTRA_RESET) call. + */ + HA_EXTRA_DELETE_CANNOT_BATCH, + HA_EXTRA_UPDATE_CANNOT_BATCH, + /* + Inform handler that an "INSERT...ON DUPLICATE KEY UPDATE" will be + executed. This condition is unset by HA_EXTRA_NO_IGNORE_DUP_KEY. + */ + HA_EXTRA_INSERT_WITH_UPDATE, + /* Inform handler that we will do a rename */ + HA_EXTRA_PREPARE_FOR_RENAME, + /* + Special actions for MERGE tables. + */ + HA_EXTRA_ADD_CHILDREN_LIST, + HA_EXTRA_ATTACH_CHILDREN, + HA_EXTRA_IS_ATTACHED_CHILDREN, + HA_EXTRA_DETACH_CHILDREN, + /* + Prepare table for export + (e.g. quiesce the table and write table metadata). + */ + HA_EXTRA_EXPORT, + /** Do secondary sort by handler::ref (rowid) after key sort. */ + HA_EXTRA_SECONDARY_SORT_ROWID +}; + +/* Compatible option, to be deleted in 6.0 */ +#define HA_EXTRA_PREPARE_FOR_DELETE HA_EXTRA_PREPARE_FOR_DROP + + /* 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, + /* Varchar (0-255 bytes) with length packed with 1 byte */ + HA_KEYTYPE_VARTEXT1=15, /* Key is sorted as letters */ + HA_KEYTYPE_VARBINARY1=16, /* Key is sorted as unsigned chars */ + /* Varchar (0-65535 bytes) with length packed with 2 bytes */ + HA_KEYTYPE_VARTEXT2=17, /* Key is sorted as letters */ + HA_KEYTYPE_VARBINARY2=18, /* Key is sorted as unsigned chars */ + HA_KEYTYPE_BIT=19 +}; + +#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 /* For full-text search */ +#define HA_UNIQUE_CHECK 256 /* Check the key for uniqueness */ +#define HA_SPATIAL 1024 /* For spatial search */ +#define HA_NULL_ARE_EQUAL 2048 /* NULL in key are cmp as equal */ +#define HA_GENERATED_KEY 8192 /* Automaticly generated key */ + + /* The combination of the above can be used for key type comparison. */ +#define HA_KEYFLAG_MASK (HA_NOSAME | HA_PACK_KEY | HA_AUTO_KEY | \ + HA_BINARY_PACK_KEY | HA_FULLTEXT | HA_UNIQUE_CHECK | \ + HA_SPATIAL | HA_NULL_ARE_EQUAL | HA_GENERATED_KEY) + +/* + Key contains partial segments. + + This flag is internal to the MySQL server by design. It is not supposed + neither to be saved in FRM-files, nor to be passed to storage engines. + It is intended to pass information into internal static sort_keys(KEY *, + KEY *) function. + + This flag can be calculated -- it's based on key lengths comparison. +*/ +#define HA_KEY_HAS_PART_KEY_SEG 65536 +/** + Key was renamed (or is result of renaming a key). + + This is another flag internal to SQL-layer. + Used by in-place ALTER TABLE implementation. + + @note This flag can be set for keys which have other changes than + simple renaming as well. So from the point of view of storage + engine such key might have to be dropped and re-created with + new definition. +*/ +#define HA_KEY_RENAMED (1 << 17) +/** Set if a key is on any virtual generated columns */ +#define HA_VIRTUAL_GEN_KEY (1 << 18) + + /* 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 +#define HA_USES_COMMENT 4096 +#define HA_USES_PARSER 16384 /* Fulltext index uses [pre]parser */ +#define HA_USES_BLOCK_SIZE ((uint) 32768) +#define HA_SORT_ALLOWS_SAME 512 /* Intern bit when sorting records */ + + /* These flags can be added to key-seg-flag */ + +#define HA_SPACE_PACK 1 /* Pack space in key-seg */ +#define HA_PART_KEY_SEG 4 /* Used by MySQL for part-key-cols */ +#define HA_VAR_LENGTH_PART 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 */ +#define HA_NO_SORT 256 /* do not bother sorting on this keyseg */ +/* + End space in unique/varchar are considered equal. (Like 'a' and 'a ') + Only needed for internal temporary tables. +*/ +#define HA_END_SPACE_ARE_EQUAL 512 +#define HA_BIT_PART 1024 + + /* 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_CREATE_FROM_ENGINE 256 +#define HA_OPTION_RELIES_ON_SQL_LAYER 512 +#define HA_OPTION_NULL_FIELDS 1024 +#define HA_OPTION_PAGE_CHECKSUM 2048 +/** STATS_PERSISTENT=1 has been specified in the SQL command (either CREATE +or ALTER TABLE). Table and index statistics that are collected by the +storage engine and used by the optimizer for query optimization will be +stored on disk and will not change after a server restart. */ +#define HA_OPTION_STATS_PERSISTENT 4096 +/** STATS_PERSISTENT=0 has been specified in CREATE/ALTER TABLE. Statistics +for the table will be wiped away on server shutdown and new ones recalculated +after the server is started again. If none of HA_OPTION_STATS_PERSISTENT or +HA_OPTION_NO_STATS_PERSISTENT is set, this means that the setting is not +explicitly set at table level and the corresponding table will use whatever +is the global server default. */ +#define HA_OPTION_NO_STATS_PERSISTENT 8192 +#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_KEEP_FILES 16 /* don't overwrite .MYD and MYI */ +#define HA_CREATE_PAGE_CHECKSUM 32 +#define HA_CREATE_DELAY_KEY_WRITE 64 +#define HA_CREATE_RELIES_ON_SQL_LAYER 128 +#define HA_CREATE_INTERNAL_TABLE 256 + +/* + The following flags (OR-ed) are passed to handler::info() method. + The method copies misc handler information out of the storage engine + to data structures accessible from MySQL + + Same flags are also passed down to mi_status, myrg_status, etc. +*/ + +/* this one is not used */ +#define HA_STATUS_POS 1 +/* + assuming the table keeps shared actual copy of the 'info' and + local, possibly outdated copy, the following flag means that + it should not try to get the actual data (locking the shared structure) + slightly outdated version will suffice +*/ +#define HA_STATUS_NO_LOCK 2 +/* update the time of the last modification (in handler::update_time) */ +#define HA_STATUS_TIME 4 +/* + update the 'constant' part of the info: + handler::max_data_file_length, max_index_file_length, create_time + sortkey, ref_length, block_size, data_file_name, index_file_name. + handler::table->s->keys_in_use, keys_for_keyread, rec_per_key +*/ +#define HA_STATUS_CONST 8 +/* + update the 'variable' part of the info: + handler::records, deleted, data_file_length, index_file_length, + check_time, mean_rec_length +*/ +#define HA_STATUS_VARIABLE 16 +/* + get the information about the key that caused last duplicate value error + update handler::errkey and handler::dupp_ref + see handler::get_dup_key() +*/ +#define HA_STATUS_ERRKEY 32 +/* + update handler::auto_increment_value +*/ +#define HA_STATUS_AUTO 64 +/* + Get also delete_length when HA_STATUS_VARIABLE is called. It's ok to set it also + when only HA_STATUS_VARIABLE but it won't be used. +*/ +#define HA_STATUS_VARIABLE_EXTRA 128 + +/* + Errorcodes given by handler functions + + opt_sum_query() assumes these codes are > 1 + Do not add error numbers before HA_ERR_FIRST. + If necessary to add lower numbers, change HA_ERR_FIRST accordingly. +*/ +#define HA_ERR_FIRST 120 /* Copy of first error nr.*/ + +#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_INTERNAL_ERROR 122 /* Internal error */ +#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_NOT_A_TABLE 130 /* not a MYI file - no signature */ +#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 /* A record is not there */ +#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_TOO_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_MRG_TABLE_DEF 143 /* conflicting tables in MERGE */ +#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 */ +#define HA_ERR_NO_SAVEPOINT 153 /* No savepoint with that name */ +#define HA_ERR_NON_UNIQUE_BLOCK_SIZE 154 /* Non unique key block size */ +#define HA_ERR_NO_SUCH_TABLE 155 /* The table does not exist in engine */ +#define HA_ERR_TABLE_EXIST 156 /* The table existed in storage engine */ +#define HA_ERR_NO_CONNECTION 157 /* Could not connect to storage engine */ +/* NULLs are not supported in spatial index */ +#define HA_ERR_NULL_IN_SPATIAL 158 +#define HA_ERR_TABLE_DEF_CHANGED 159 /* The table changed in storage engine */ +/* There's no partition in table for given value */ +#define HA_ERR_NO_PARTITION_FOUND 160 +#define HA_ERR_RBR_LOGGING_FAILED 161 /* Row-based binlogging of row failed */ +#define HA_ERR_DROP_INDEX_FK 162 /* Index needed in foreign key constr */ +/* + Upholding foreign key constraints would lead to a duplicate key error + in some other table. +*/ +#define HA_ERR_FOREIGN_DUPLICATE_KEY 163 +/* The table changed in storage engine */ +#define HA_ERR_TABLE_NEEDS_UPGRADE 164 +#define HA_ERR_TABLE_READONLY 165 /* The table is not writable */ + +#define HA_ERR_AUTOINC_READ_FAILED 166 /* Failed to get next autoinc value */ +#define HA_ERR_AUTOINC_ERANGE 167 /* Failed to set row autoinc value */ +#define HA_ERR_GENERIC 168 /* Generic error */ +/* row not actually updated: new values same as the old values */ +#define HA_ERR_RECORD_IS_THE_SAME 169 +/* It is not possible to log this statement */ +#define HA_ERR_LOGGING_IMPOSSIBLE 170 /* It is not possible to log this + statement */ +#define HA_ERR_CORRUPT_EVENT 171 /* The event was corrupt, leading to + illegal data being read */ +#define HA_ERR_NEW_FILE 172 /* New file format */ +#define HA_ERR_ROWS_EVENT_APPLY 173 /* The event could not be processed + no other hanlder error happened */ +#define HA_ERR_INITIALIZATION 174 /* Error during initialization */ +#define HA_ERR_FILE_TOO_SHORT 175 /* File too short */ +#define HA_ERR_WRONG_CRC 176 /* Wrong CRC on page */ +#define HA_ERR_TOO_MANY_CONCURRENT_TRXS 177 /*Too many active concurrent transactions */ +/* There's no explicitly listed partition in table for the given value */ +#define HA_ERR_NOT_IN_LOCK_PARTITIONS 178 +#define HA_ERR_INDEX_COL_TOO_LONG 179 /* Index column length exceeds limit */ +#define HA_ERR_INDEX_CORRUPT 180 /* InnoDB index corrupted */ +#define HA_ERR_UNDO_REC_TOO_BIG 181 /* Undo log record too big */ +#define HA_FTS_INVALID_DOCID 182 /* Invalid InnoDB Doc ID */ +#define HA_ERR_TABLE_IN_FK_CHECK 183 /* Table being used in foreign key check */ +#define HA_ERR_TABLESPACE_EXISTS 184 /* The tablespace existed in storage engine */ +#define HA_ERR_TOO_MANY_FIELDS 185 /* Table has too many columns */ +#define HA_ERR_ROW_IN_WRONG_PARTITION 186 /* Row in wrong partition */ +#define HA_ERR_INNODB_READ_ONLY 187 /* InnoDB is in read only mode. */ +#define HA_ERR_FTS_EXCEED_RESULT_CACHE_LIMIT 188 /* FTS query exceeds result cache limit */ +#define HA_ERR_TEMP_FILE_WRITE_FAILURE 189 /* Temporary file write failure */ +#define HA_ERR_INNODB_FORCED_RECOVERY 190 /* Innodb is in force recovery mode */ +#define HA_ERR_FTS_TOO_MANY_WORDS_IN_PHRASE 191 /* Too many words in a phrase */ +#define HA_ERR_FK_DEPTH_EXCEEDED 192 /* FK cascade depth exceeded */ +#define HA_MISSING_CREATE_OPTION 193 /* Option Missing during Create */ +#define HA_ERR_SE_OUT_OF_MEMORY 194 /* Out of memory in storage engine */ +#define HA_ERR_TABLE_CORRUPT 195 /* Table/Clustered index is corrupted. */ +#define HA_ERR_QUERY_INTERRUPTED 196 /* The query was interrupted */ +#define HA_ERR_TABLESPACE_MISSING 197 /* Missing Tablespace */ +#define HA_ERR_TABLESPACE_IS_NOT_EMPTY 198 /* Tablespace is not empty */ +#define HA_ERR_WRONG_FILE_NAME 199 /* Invalid Filename */ +#define HA_ERR_NOT_ALLOWED_COMMAND 200 /* Operation is not allowed */ +#define HA_ERR_COMPUTE_FAILED 201 /* Compute generated column value failed */ +#define HA_ERR_LAST 201 /* Copy of last error nr */ + +/* Number of different errors */ +#define HA_ERR_ERRORS (HA_ERR_LAST - HA_ERR_FIRST + 1) + + /* Other constants */ + +#define HA_NAMELEN 64 /* Max length of saved filename */ +#define NO_SUCH_KEY (~(uint)0) /* used as a key no. */ + +typedef ulong key_part_map; +#define HA_WHOLE_KEY (~(key_part_map)0) + + /* 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 +#define MBR_CONTAIN 512 +#define MBR_INTERSECT 1024 +#define MBR_WITHIN 2048 +#define MBR_DISJOINT 4096 +#define MBR_EQUAL 8192 +#define MBR_DATA 16384 +#define SEARCH_NULL_ARE_EQUAL 32768 /* NULL in keys are equal */ +#define SEARCH_NULL_ARE_NOT_EQUAL 65536 /* NULL in keys are not equal */ + + /* 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 + +/* myisampack expects no more than 32 field types. */ +enum en_fieldtype { + FIELD_LAST=-1,FIELD_NORMAL,FIELD_SKIP_ENDSPACE,FIELD_SKIP_PRESPACE, + FIELD_SKIP_ZERO,FIELD_BLOB,FIELD_CONSTANT,FIELD_INTERVALL,FIELD_ZERO, + FIELD_VARCHAR,FIELD_CHECK, + FIELD_enum_val_count +}; + +enum data_file_type { + STATIC_RECORD, DYNAMIC_RECORD, COMPRESSED_RECORD, BLOCK_RECORD +}; + +/* For key ranges */ + +enum key_range_flags { + NO_MIN_RANGE= 1 << 0, ///< from -inf + NO_MAX_RANGE= 1 << 1, ///< to +inf + /* X < key, i.e. not including the left endpoint */ + NEAR_MIN= 1 << 2, + /* X > key, i.e. not including the right endpoint */ + NEAR_MAX= 1 << 3, + /* + This flag means that index is a unique index, and the interval is + equivalent to "AND(keypart_i = const_i)", where all of const_i are + not NULLs. + */ + UNIQUE_RANGE= 1 << 4, + /* + This flag means that the interval is equivalent to + "AND(keypart_i = const_i)", where not all key parts may be used + but all of const_i are not NULLs. + */ + EQ_RANGE= 1 << 5, + /* + This flag has the same meaning as UNIQUE_RANGE, except that for at + least one keypart the condition is "keypart IS NULL". + */ + NULL_RANGE= 1 << 6, + /** + This flag means that the index is an rtree index, and the interval is + specified using HA_READ_MBR_XXX defined in enum ha_rkey_function. + */ + GEOM_FLAG= 1 << 7, + /* Deprecated, currently used only by NDB at row retrieval */ + SKIP_RANGE= 1 << 8, + /* + Used together with EQ_RANGE to indicate that index statistics + should be used instead of sampling the index. + */ + USE_INDEX_STATISTICS= 1 << 9 +}; + + +typedef struct st_key_range +{ + const uchar *key; + uint length; + key_part_map keypart_map; + enum ha_rkey_function flag; +} key_range; + +typedef struct st_key_multi_range +{ + key_range start_key; + key_range end_key; + char *ptr; /* Free to use by caller (ptr to row etc) */ + uint range_flag; /* key range flags see above */ +} KEY_MULTI_RANGE; + + +/* For number of records */ +#define rows2double(A) ulonglong2double(A) +typedef my_off_t ha_rows; + +#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 LLONG_MAX +#endif + +#define HA_VARCHAR_PACKLENGTH(field_length) ((field_length) < 256 ? 1 :2) + +/* invalidator function reference for Query Cache */ +C_MODE_START +typedef void (* invalidator_by_filename)(const char * filename); +C_MODE_END + +#endif /* _my_base_h */ |