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/* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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* vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
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* Copyright (C) 2008 Sun Microsystems
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* Copyright (C) 2008 Sun Microsystems, Inc.
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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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#define STRERROR_MAX 256
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/* extra 4+4 bytes for slave tmp tables */
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#define MAX_DBKEY_LENGTH (NAME_LEN*2+1+1+4+4)
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#define MAX_ALIAS_NAME 256
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#define MAX_FIELD_NAME 34 /* Max colum name length +2 */
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#define MAX_SYS_VAR_LENGTH 32
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#define MAX_INDEXES 64
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#define MAX_KEY MAX_INDEXES /* Max used keys */
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#define MAX_REF_PARTS 16 /* Max parts used as ref */
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#define MAX_KEY_LENGTH 4096 /* max possible key */
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#define MAX_KEY_LENGTH_DECIMAL_WIDTH 4 /* strlen("4096") */
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const uint32_t MAX_KEY = MAX_INDEXES; /* Max used keys */
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const uint32_t MAX_REF_PARTS = 16; /* Max parts used as ref */
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const uint32_t MAX_KEY_LENGTH = 4096; // max possible key
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const uint32_t MAX_KEY_LENGTH_DECIMAL_WIDTH = 4; // strlen("4096")
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#if SIZEOF_OFF_T > 4
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#define MAX_REFLENGTH 8 /* Max length for record ref */
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#define MAX_REFLENGTH 4 /* Max length for record ref */
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#define MAX_HOSTNAME 61 /* len+1 in mysql.user */
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#define MAX_MBWIDTH 4 /* Max multibyte sequence */
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#define MAX_FIELD_CHARLENGTH 255
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/* Max column width +1 */
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#define MAX_FIELD_WIDTH (MAX_FIELD_CHARLENGTH*MAX_MBWIDTH+1)
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#define MAX_DATETIME_COMPRESSED_WIDTH 14 /* YYYYMMDDHHMMSS */
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#define MAX_TABLES (sizeof(table_map)*8-3) /* Max tables in join */
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#define PARAM_TABLE_BIT (((table_map) 1) << (sizeof(table_map)*8-3))
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#define OUTER_REF_TABLE_BIT (((table_map) 1) << (sizeof(table_map)*8-2))
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#define MIN_TURBOBM_PATTERN_LEN 3
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Defines for binary logging.
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Do not decrease the value of BIN_LOG_HEADER_SIZE.
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Do not even increase it before checking code.
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#define BIN_LOG_HEADER_SIZE 4
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/* Below are #defines that used to be in mysql_priv.h */
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/***************************************************************************
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Configuration parameters
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****************************************************************************/
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#define MAX_FIELDS_BEFORE_HASH 32
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#define USER_VARS_HASH_SIZE 16
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#define TABLE_OPEN_CACHE_MIN 64
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#define TABLE_OPEN_CACHE_DEFAULT 1024
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/** Characters shown for the command in 'show processlist'. */
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#define PROCESS_LIST_WIDTH 100
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#define PRECISION_FOR_DOUBLE 53
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#define PRECISION_FOR_FLOAT 24
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/* The following can also be changed from the command line */
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#define DEFAULT_CONCURRENCY 10
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#define FLUSH_TIME 0 /**< Don't flush tables */
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#define MAX_CONNECT_ERRORS 10 ///< errors before disabling host
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/* Bits from testflag */
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TEST_PRINT_CACHED_TABLES= 1,
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TEST_KEEP_TMP_TABLES,
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TEST_READCHECK, /**< Force use of readcheck */
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TEST_CORE_ON_SIGNAL, /**< Give core if signal */
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TEST_SIGINT, /**< Allow sigint on threads */
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TEST_SYNCHRONIZATION /**< get server to do sleep in some places */
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/* Bits for different SQL modes modes (including ANSI mode) */
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#define MODE_NO_ZERO_DATE (2)
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#define MODE_INVALID_DATES (MODE_NO_ZERO_DATE*2)
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#define MY_CHARSET_BIN_MB_MAXLEN 1
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// uncachable cause
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#define UNCACHEABLE_DEPENDENT 1
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#define UNCACHEABLE_RAND 2
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#define UNCACHEABLE_SIDEEFFECT 4
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static const uint32_t UNCACHEABLE_DEPENDENT= 1;
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static const uint32_t UNCACHEABLE_RAND= 2;
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static const uint32_t UNCACHEABLE_SIDEEFFECT= 3;
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/// forcing to save JOIN for explain
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#define UNCACHEABLE_EXPLAIN 8
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static const uint32_t UNCACHEABLE_EXPLAIN= 4;
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/** Don't evaluate subqueries in prepare even if they're not correlated */
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#define UNCACHEABLE_PREPARE 16
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static const uint32_t UNCACHEABLE_PREPARE= 5;
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/* For uncorrelated SELECT in an UNION with some correlated SELECTs */
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#define UNCACHEABLE_UNITED 32
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static const uint32_t UNCACHEABLE_UNITED= 6;
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/* Used to check GROUP BY list in the MODE_ONLY_FULL_GROUP_BY mode */
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#define UNDEF_POS (-1)
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/* Options to add_table_to_list() */
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#define TL_OPTION_UPDATING 1
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#define TL_OPTION_FORCE_INDEX 2
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#define TL_OPTION_IGNORE_LEAVES 4
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#define TL_OPTION_ALIAS 8
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static const uint32_t TL_OPTION_UPDATING= 0;
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static const uint32_t TL_OPTION_FORCE_INDEX= 1;
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static const uint32_t TL_OPTION_IGNORE_LEAVES= 2;
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static const uint32_t TL_OPTION_ALIAS= 3;
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static const uint32_t NUM_OF_TABLE_OPTIONS= 4;
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/* Some portable defines */
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#define HA_KEY_SWITCH_ALL_SAVE 3
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Note: the following includes binlog and closing 0.
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so: innodb + bdb + ndb + binlog + myisam + myisammrg + archive +
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example + csv + heap + blackhole + federated + 0
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(yes, the sum is deliberately inaccurate)
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TODO remove the limit, use dynarrays
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Parameters for open() (in register form->filestat)
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HA_GET_INFO does an implicit HA_ABORT_IF_LOCKED
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#define HA_BLOCK_LOCK 256 /* unlock when reading some records */
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#define HA_OPEN_TEMPORARY 512
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/* For transactional LOCK Table. handler::lock_table() */
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#define HA_LOCK_IN_SHARE_MODE F_RDLCK
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#define HA_LOCK_IN_EXCLUSIVE_MODE F_WRLCK
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/* Some key definitions */
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#define HA_KEY_NULL_LENGTH 1
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#define HA_KEY_BLOB_LENGTH 2
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#define HA_MAX_REC_LENGTH 65535
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const uint32_t HA_MAX_REC_LENGTH = 65535;
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/* Options of START TRANSACTION statement (and later of SET TRANSACTION stmt) */
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enum start_transaction_option_t
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#define HA_CREATE_USED_AUTO (1L << 0)
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#define HA_CREATE_USED_CHARSET (1L << 8)
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#define HA_CREATE_USED_DEFAULT_CHARSET (1L << 9)
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#define HA_CREATE_USED_ROW_FORMAT (1L << 15)
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The below two are not used (and not handled) in this milestone of this WL
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#define MY_COLL_ALLOW_CONV 3
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#define MY_COLL_DISALLOW_NONE 4
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#define MY_COLL_CMP_CONV 7
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#define clear_timestamp_auto_bits(_target_, _bits_) \
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(_target_)= (enum timestamp_auto_set_type)((int)(_target_) & ~(int)(_bits_))
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inline static void clear_timestamp_auto_bits(timestamp_auto_set_type &_target_,
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timestamp_auto_set_type _bits_)
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_target_= static_cast<timestamp_auto_set_type>(_target_ & ~_bits_);
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* The following are for the interface with the .frm file
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#define FIELDFLAG_PACK_SHIFT 3
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#define FIELDFLAG_MAX_DEC 31
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// FIXME: T will just be drizzled::Field::utype, but that would
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// require including field.h. Moving the function elsewhere might be a
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// better idea. Leaving it for restructuring.
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template <typename T>
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T MTYP_TYPENR(const T& type)
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return static_cast<T>(type & 127);
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#define MTYP_TYPENR(type) (type & 127) /* Remove bits from type */
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#define f_settype(x) (((int) x) << FIELDFLAG_PACK_SHIFT)
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inline static uint32_t f_settype(const enum enum_field_types x)
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return (uint32_t(x) << FIELDFLAG_PACK_SHIFT);
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#ifdef __cplusplus
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template <class T> void set_if_bigger(T &a, const T &b)
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#define uint64_t2double(A) ((double) (uint64_t) (A))
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#ifndef int64_t2double
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#define int64_t2double(A) ((double) (int64_t) (A))
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#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
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#define ulong_to_double(X) ((double) (ulong) (X))
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/* From limits.h instead */
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#define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1))
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#define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double))
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/* Size to make adressable obj. */
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#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
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/* Offset of field f in structure t */
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#define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)
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#ifdef __cplusplus
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#define ADD_TO_PTR(ptr,size,type) (type) (reinterpret_cast<const unsigned char*>(ptr)+size)
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#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) (reinterpret_cast<const unsigned char*>(A) - reinterpret_cast<const unsigned char*>(B))
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#define ADD_TO_PTR(ptr,size,type) (type) ((unsigned char*) (ptr)+size)
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#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) ((unsigned char*) (A) - (unsigned char*) (B))
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#define MY_DIV_UP(A, B) (((A) + (B) - 1) / (B))