390.1.2
by Monty Taylor
Fixed copyright headers in drizzled/ |
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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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*
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* Copyright (C) 2008 Sun Microsystems
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*
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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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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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/**
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* @file
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*
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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* Mostly constants and some macros/functions used by the server
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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*/
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1119.9.4
by Jay Pipes
Removes the FIELDFLAG_NO_DEFAULT bit and f_no_default macro and calls |
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#ifndef DRIZZLED_DEFINITIONS_H
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#define DRIZZLED_DEFINITIONS_H
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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1089.1.11
by Brian Aker
Cleanup on enum |
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#include <drizzled/enum.h> |
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575.1.6
by Monty Taylor
Cleaned up some headers for PCH. |
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#include <stdint.h> |
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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namespace drizzled |
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{
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1556.1.1
by Brian Aker
Updates for moving temporary directory. |
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/* Global value for how we extend our temporary directory */
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1567
by Brian Aker
Remove restriction on schemas named temporary. |
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#define GLOBAL_TEMPORARY_EXT ".temporary"
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1556.1.1
by Brian Aker
Updates for moving temporary directory. |
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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/* These paths are converted to other systems (WIN95) before use */
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#define LANGUAGE "english/"
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#define TEMP_PREFIX "MY"
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#define LOG_PREFIX "ML"
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1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
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#define ER(X) ::drizzled::error_message((X))
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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1558.2.3
by Hartmut Holzgraefe
strerror() -> strerror_r() conversion started (bug #606478) |
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/* buffer size for strerror_r() */
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#define STRERROR_MAX 256
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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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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1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
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#define MAX_INDEXES 64
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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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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#if SIZEOF_OFF_T > 4
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#define MAX_REFLENGTH 8 /* Max length for record ref */ |
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#else
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#define MAX_REFLENGTH 4 /* Max length for record ref */ |
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#endif
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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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#define MAX_FIELD_VARCHARLENGTH 65535
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#define CONVERT_IF_BIGGER_TO_BLOB 512 /* Used for CREATE ... SELECT */ |
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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 RAND_TABLE_BIT (((table_map) 1) << (sizeof(table_map)*8-1))
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#define PSEUDO_TABLE_BITS (PARAM_TABLE_BIT | OUTER_REF_TABLE_BIT | \
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RAND_TABLE_BIT)
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1259.5.6
by Stewart Smith
document 4096 column limit as historical MySQL limit, not an actual limit of any FRM file that currently exists. |
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#define MAX_FIELDS 4096 /* Historical limit from MySQL FRM. */ |
243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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#define MAX_SELECT_NESTING (sizeof(nesting_map)*8-1)
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#define MAX_SORT_MEMORY (2048*1024-MALLOC_OVERHEAD)
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#define MIN_SORT_MEMORY (32*1024-MALLOC_OVERHEAD)
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#define DEFAULT_ERROR_COUNT 64
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#define EXTRA_RECORDS 10 /* Extra records in sort */ |
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#define NAMES_SEP_CHAR '\377' /* Char to sep. names */ |
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895
by Brian Aker
Completion (?) of uint conversion. |
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#define READ_RECORD_BUFFER (uint32_t) (IO_SIZE*8) /* Pointer_buffer_size */ |
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#define DISK_BUFFER_SIZE (uint32_t) (IO_SIZE*16) /* Size of diskbuffer */ |
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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#define ME_ERROR (ME_BELL+ME_OLDWIN+ME_NOREFRESH)
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#define MYF_RW MYF(MY_WME+MY_NABP) /* Vid my_read & my_write */ |
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/*
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Minimum length pattern before Turbo Boyer-Moore is used
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for SELECT "text" LIKE "%pattern%", excluding the two
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wildcards in class Item_func_like.
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*/
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#define MIN_TURBOBM_PATTERN_LEN 3
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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/*
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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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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*/
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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#define BIN_LOG_HEADER_SIZE 4
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243.1.12
by Jay Pipes
* Added drizzled/definitions.h which contains many of the #defines from |
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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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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876
by Brian Aker
Removed some dead definitions. |
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#define TABLE_OPEN_CACHE_DEFAULT 1024
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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/*
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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Value of 9236 discovered through binary search 2006-09-26 on Ubuntu Dapper
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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Drake, libc6 2.3.6-0ubuntu2, Linux kernel 2.6.15-27-686, on x86. (Added
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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100 bytes as reasonable buffer against growth and other environments'
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requirements.)
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Feel free to raise this by the smallest amount you can to get the
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"execution_constants" test to pass.
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*/
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#define STACK_MIN_SIZE 12000 ///< Abort if less stack during eval. |
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#define STACK_MIN_SIZE_FOR_OPEN 1024*80
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#define STACK_BUFF_ALLOC 352 ///< For stack overrun checks |
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#define QUERY_ALLOC_BLOCK_SIZE 8192
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#define QUERY_ALLOC_PREALLOC_SIZE 8192
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#define RANGE_ALLOC_BLOCK_SIZE 4096
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#define TABLE_ALLOC_BLOCK_SIZE 1024
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#define WARN_ALLOC_BLOCK_SIZE 2048
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#define WARN_ALLOC_PREALLOC_SIZE 1024
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/*
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The following parameters is to decide when to use an extra cache to
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optimise seeks when reading a big table in sorted order
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*/
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#define MIN_FILE_LENGTH_TO_USE_ROW_CACHE (10L*1024*1024)
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#define MIN_ROWS_TO_USE_TABLE_CACHE 100
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/**
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The following is used to decide if MySQL should use table scanning
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instead of reading with keys. The number says how many evaluation of the
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WHERE clause is comparable to reading one extra row from a table.
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*/
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#define TIME_FOR_COMPARE 5 // 5 compares == one read |
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/**
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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Number of comparisons of table rowids equivalent to reading one row from a
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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table.
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*/
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#define TIME_FOR_COMPARE_ROWID (TIME_FOR_COMPARE*2)
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/*
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For sequential disk seeks the cost formula is:
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
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DISK_SEEK_BASE_COST + DISK_SEEK_PROP_COST * #blocks_to_skip
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The cost of average seek
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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DISK_SEEK_BASE_COST + DISK_SEEK_PROP_COST*BLOCKS_IN_AVG_SEEK =1.0.
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*/
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#define DISK_SEEK_BASE_COST ((double)0.9)
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#define BLOCKS_IN_AVG_SEEK 128
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#define DISK_SEEK_PROP_COST ((double)0.1/BLOCKS_IN_AVG_SEEK)
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/**
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Number of rows in a reference table when refereed through a not unique key.
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This value is only used when we don't know anything about the key
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distribution.
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*/
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#define MATCHING_ROWS_IN_OTHER_TABLE 10
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/** Don't pack string keys shorter than this (if PACK_KEYS=1 isn't used). */
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#define KEY_DEFAULT_PACK_LENGTH 8
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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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1089.6.2
by Padraig O'Sullivan
Modified the size of the test_flags bitset to be 12 bits instead of 32. No |
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/* Bits from testflag */
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enum test_flag_bit |
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{
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TEST_PRINT_CACHED_TABLES= 1, |
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TEST_NO_KEY_GROUP, |
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TEST_MIT_THREAD, |
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TEST_KEEP_TMP_TABLES, |
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TEST_READCHECK, /**< Force use of readcheck */ |
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TEST_NO_EXTRA, |
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TEST_CORE_ON_SIGNAL, /**< Give core if signal */ |
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TEST_NO_STACKTRACE, |
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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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};
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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/* Bits for different SQL modes modes (including ANSI mode) */
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361
by Brian Aker
One more mode down, two more left to go! |
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#define MODE_NO_ZERO_DATE (2)
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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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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/// forcing to save JOIN for explain
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#define UNCACHEABLE_EXPLAIN 8
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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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/* For uncorrelated SELECT in an UNION with some correlated SELECTs */
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#define UNCACHEABLE_UNITED 32
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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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240 |
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/* Some portable defines */
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242 |
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#define portable_sizeof_char_ptr 8
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244 |
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584.2.1
by Stewart Smith
convert tmp_file_prefix to TMP_FILE_PREFIX to indicate it's a macro |
245 |
#define TMP_FILE_PREFIX "#sql" /**< Prefix for tmp tables */ |
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#define TMP_FILE_PREFIX_LENGTH 4
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
247 |
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248 |
/* Flags for calc_week() function. */
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#define WEEK_MONDAY_FIRST 1
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#define WEEK_YEAR 2
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#define WEEK_FIRST_WEEKDAY 4
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574.3.17
by Lee
moving functions from item_timefunc to functions/time directory |
253 |
/* used in date and time conversions */
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254 |
/* Daynumber from year 0 to 9999-12-31 */
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#define MAX_DAY_NUMBER 3652424L
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256 |
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243.1.14
by Jay Pipes
* Ensured all drizzled/field/x.cc files to include mysql_priv.h |
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#define STRING_BUFFER_USUAL_SIZE 80
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258 |
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575.1.3
by Monty Taylor
Moved some stuff out of handler.h. |
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typedef void *range_seq_t; |
260 |
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1130.1.5
by Monty Taylor
Split StorageEngine into slot. This completes the plugin-slot-reorg. Woot. |
261 |
enum ha_stat_type { HA_ENGINE_STATUS, HA_ENGINE_LOGS, HA_ENGINE_MUTEX }; |
520.8.6
by Monty Taylor
Removed handler from common_includes. |
262 |
// the following is for checking tables
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263 |
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264 |
#define HA_ADMIN_ALREADY_DONE 1
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#define HA_ADMIN_OK 0
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#define HA_ADMIN_NOT_IMPLEMENTED -1
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#define HA_ADMIN_FAILED -2
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#define HA_ADMIN_CORRUPT -3
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#define HA_ADMIN_INTERNAL_ERROR -4
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#define HA_ADMIN_INVALID -5
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#define HA_ADMIN_REJECT -6
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272 |
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273 |
/* bits in index_flags(index_number) for what you can do with index */
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274 |
#define HA_READ_NEXT 1 /* TODO really use this flag */ |
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275 |
#define HA_READ_PREV 2 /* supports ::index_prev */ |
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276 |
#define HA_READ_ORDER 4 /* index_next/prev follow sort order */ |
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277 |
#define HA_READ_RANGE 8 /* can find all records in a range */ |
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278 |
#define HA_ONLY_WHOLE_INDEX 16 /* Can't use part key searches */ |
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279 |
#define HA_KEYREAD_ONLY 64 /* Support HA_EXTRA_KEYREAD */ |
|
280 |
/*
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281 |
Index scan will not return records in rowid order. Not guaranteed to be
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282 |
set for unordered (e.g. HASH) indexes.
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283 |
*/
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660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
284 |
#define HA_KEY_SCAN_NOT_ROR 128
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520.8.6
by Monty Taylor
Removed handler from common_includes. |
285 |
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286 |
/* operations for disable/enable indexes */
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287 |
#define HA_KEY_SWITCH_NONUNIQ 0
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288 |
#define HA_KEY_SWITCH_ALL 1
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#define HA_KEY_SWITCH_NONUNIQ_SAVE 2
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290 |
#define HA_KEY_SWITCH_ALL_SAVE 3
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291 |
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292 |
/*
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293 |
Note: the following includes binlog and closing 0.
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294 |
so: innodb + bdb + ndb + binlog + myisam + myisammrg + archive +
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295 |
example + csv + heap + blackhole + federated + 0
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296 |
(yes, the sum is deliberately inaccurate)
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297 |
TODO remove the limit, use dynarrays
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298 |
*/
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299 |
#define MAX_HA 15
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300 |
||
301 |
/*
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302 |
Parameters for open() (in register form->filestat)
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303 |
HA_GET_INFO does an implicit HA_ABORT_IF_LOCKED
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304 |
*/
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305 |
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306 |
#define HA_OPEN_KEYFILE 1
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307 |
#define HA_OPEN_RNDFILE 2
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308 |
#define HA_GET_INDEX 4
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309 |
#define HA_GET_INFO 8 /* do a ha_info() after open */ |
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310 |
#define HA_READ_ONLY 16 /* File opened as readonly */ |
|
311 |
/* Try readonly if can't open with read and write */
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312 |
#define HA_TRY_READ_ONLY 32
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313 |
#define HA_WAIT_IF_LOCKED 64 /* Wait if locked on open */ |
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314 |
#define HA_ABORT_IF_LOCKED 128 /* skip if locked on open.*/ |
|
315 |
#define HA_BLOCK_LOCK 256 /* unlock when reading some records */ |
|
316 |
#define HA_OPEN_TEMPORARY 512
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317 |
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318 |
/* For transactional LOCK Table. handler::lock_table() */
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319 |
#define HA_LOCK_IN_SHARE_MODE F_RDLCK
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320 |
#define HA_LOCK_IN_EXCLUSIVE_MODE F_WRLCK
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321 |
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322 |
/* Some key definitions */
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323 |
#define HA_KEY_NULL_LENGTH 1
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324 |
#define HA_KEY_BLOB_LENGTH 2
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325 |
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326 |
#define HA_MAX_REC_LENGTH 65535
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327 |
||
328 |
/* Options of START TRANSACTION statement (and later of SET TRANSACTION stmt) */
|
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1206.1.3
by Brian Aker
Valgrind fix for startTransaction() |
329 |
enum start_transaction_option_t |
330 |
{
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331 |
START_TRANS_NO_OPTIONS, |
|
332 |
START_TRANS_OPT_WITH_CONS_SNAPSHOT
|
|
333 |
};
|
|
520.8.6
by Monty Taylor
Removed handler from common_includes. |
334 |
|
335 |
/* Flags for method is_fatal_error */
|
|
336 |
#define HA_CHECK_DUP_KEY 1
|
|
337 |
#define HA_CHECK_DUP_UNIQUE 2
|
|
338 |
#define HA_CHECK_DUP (HA_CHECK_DUP_KEY + HA_CHECK_DUP_UNIQUE)
|
|
339 |
||
340 |
||
341 |
/* Bits in used_fields */
|
|
342 |
#define HA_CREATE_USED_AUTO (1L << 0)
|
|
343 |
#define HA_CREATE_USED_CHARSET (1L << 8)
|
|
344 |
#define HA_CREATE_USED_DEFAULT_CHARSET (1L << 9)
|
|
345 |
#define HA_CREATE_USED_ROW_FORMAT (1L << 15)
|
|
346 |
||
347 |
/*
|
|
348 |
The below two are not used (and not handled) in this milestone of this WL
|
|
349 |
entry because there seems to be no use for them at this stage of
|
|
350 |
implementation.
|
|
351 |
*/
|
|
352 |
#define HA_MRR_SINGLE_POINT 1
|
|
353 |
#define HA_MRR_FIXED_KEY 2
|
|
354 |
||
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
355 |
/*
|
520.8.6
by Monty Taylor
Removed handler from common_includes. |
356 |
Indicates that RANGE_SEQ_IF::next(&range) doesn't need to fill in the
|
357 |
'range' parameter.
|
|
358 |
*/
|
|
359 |
#define HA_MRR_NO_ASSOCIATION 4
|
|
360 |
||
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
361 |
/*
|
520.8.6
by Monty Taylor
Removed handler from common_includes. |
362 |
The MRR user will provide ranges in key order, and MRR implementation
|
363 |
must return rows in key order.
|
|
364 |
*/
|
|
365 |
#define HA_MRR_SORTED 8
|
|
366 |
||
367 |
/* MRR implementation doesn't have to retrieve full records */
|
|
368 |
#define HA_MRR_INDEX_ONLY 16
|
|
369 |
||
660.1.3
by Eric Herman
removed trailing whitespace with simple script: |
370 |
/*
|
520.8.6
by Monty Taylor
Removed handler from common_includes. |
371 |
The passed memory buffer is of maximum possible size, the caller can't
|
372 |
assume larger buffer.
|
|
373 |
*/
|
|
374 |
#define HA_MRR_LIMITS 32
|
|
375 |
||
376 |
||
377 |
/*
|
|
378 |
Flag set <=> default MRR implementation is used
|
|
379 |
(The choice is made by **_info[_const]() function which may set this
|
|
380 |
flag. SQL layer remembers the flag value and then passes it to
|
|
381 |
multi_read_range_init().
|
|
382 |
*/
|
|
383 |
#define HA_MRR_USE_DEFAULT_IMPL 64
|
|
384 |
||
575.1.6
by Monty Taylor
Cleaned up some headers for PCH. |
385 |
typedef int myf; |
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
386 |
#define MYF(v) (static_cast<drizzled::myf>(v))
|
575.1.6
by Monty Taylor
Cleaned up some headers for PCH. |
387 |
|
584.4.1
by Monty Taylor
Split out DTCollation. |
388 |
/*
|
389 |
"Declared Type Collation"
|
|
390 |
A combination of collation and its derivation.
|
|
391 |
||
392 |
Flags for collation aggregation modes:
|
|
393 |
MY_COLL_ALLOW_SUPERSET_CONV - allow conversion to a superset
|
|
394 |
MY_COLL_ALLOW_COERCIBLE_CONV - allow conversion of a coercible value
|
|
395 |
(i.e. constant).
|
|
396 |
MY_COLL_ALLOW_CONV - allow any kind of conversion
|
|
397 |
(combination of the above two)
|
|
398 |
MY_COLL_DISALLOW_NONE - don't allow return DERIVATION_NONE
|
|
399 |
(e.g. when aggregating for comparison)
|
|
400 |
MY_COLL_CMP_CONV - combination of MY_COLL_ALLOW_CONV
|
|
401 |
and MY_COLL_DISALLOW_NONE
|
|
402 |
*/
|
|
403 |
||
404 |
#define MY_COLL_ALLOW_SUPERSET_CONV 1
|
|
405 |
#define MY_COLL_ALLOW_COERCIBLE_CONV 2
|
|
406 |
#define MY_COLL_ALLOW_CONV 3
|
|
407 |
#define MY_COLL_DISALLOW_NONE 4
|
|
408 |
#define MY_COLL_CMP_CONV 7
|
|
584.1.13
by Monty Taylor
Split out a little more code. Removed table_list.h from common_includes. |
409 |
#define clear_timestamp_auto_bits(_target_, _bits_) \
|
410 |
(_target_)= (enum timestamp_auto_set_type)((int)(_target_) & ~(int)(_bits_))
|
|
411 |
||
584.5.1
by Monty Taylor
Removed field includes from field.h. |
412 |
/*
|
413 |
* The following are for the interface with the .frm file
|
|
414 |
*/
|
|
415 |
||
416 |
#define FIELDFLAG_PACK_SHIFT 3
|
|
417 |
#define FIELDFLAG_MAX_DEC 31
|
|
418 |
||
419 |
#define MTYP_TYPENR(type) (type & 127) /* Remove bits from type */ |
|
420 |
||
421 |
#define f_settype(x) (((int) x) << FIELDFLAG_PACK_SHIFT)
|
|
1119.9.4
by Jay Pipes
Removes the FIELDFLAG_NO_DEFAULT bit and f_no_default macro and calls |
422 |
|
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
423 |
|
424 |
#ifdef __cplusplus
|
|
425 |
template <class T> void set_if_bigger(T &a, const T &b) |
|
426 |
{
|
|
427 |
if (a < b) |
|
428 |
a=b; |
|
429 |
}
|
|
430 |
||
431 |
template <class T> void set_if_smaller(T &a, const T &b) |
|
432 |
{
|
|
433 |
if (a > b) |
|
434 |
a=b; |
|
435 |
}
|
|
436 |
#else
|
|
437 |
#ifdef __GNUC__
|
|
438 |
#define set_if_bigger(a,b) do { \
|
|
439 |
const typeof(a) _a = (a); \
|
|
440 |
const typeof(b) _b = (b); \
|
|
441 |
(void) (&_a == &_b); \
|
|
442 |
if ((a) < (b)) (a)=(b); \
|
|
443 |
} while(0)
|
|
444 |
#define set_if_smaller(a,b) do { \
|
|
445 |
const typeof(a) _a = (a); \
|
|
446 |
const typeof(b) _b = (b); \
|
|
447 |
(void) (&_a == &_b); \
|
|
448 |
if ((a) > (b)) (a)=(b); \
|
|
449 |
} while(0)
|
|
450 |
||
451 |
#else
|
|
452 |
#define set_if_bigger(a,b) do { if ((a) < (b)) (a)=(b); } while(0)
|
|
453 |
#define set_if_smaller(a,b) do { if ((a) > (b)) (a)=(b); } while(0)
|
|
454 |
#endif
|
|
455 |
#endif
|
|
456 |
||
1241.9.6
by Monty Taylor
Enhanced our version of array_elements. |
457 |
|
458 |
#define array_elements(a) \
|
|
459 |
((sizeof(a) / sizeof(*(a))) / \
|
|
460 |
static_cast<size_t>(!(sizeof(a) % sizeof(*(a)))))
|
|
461 |
||
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
462 |
|
463 |
/* Some types that is different between systems */
|
|
464 |
||
465 |
#ifndef FN_LIBCHAR
|
|
466 |
#define FN_LIBCHAR '/'
|
|
467 |
#define FN_ROOTDIR "/"
|
|
468 |
#endif
|
|
469 |
#define MY_NFILE 64 /* This is only used to save filenames */ |
|
470 |
#ifndef OS_FILE_LIMIT
|
|
471 |
#define OS_FILE_LIMIT 65535
|
|
472 |
#endif
|
|
473 |
||
474 |
/*
|
|
475 |
How much overhead does malloc have. The code often allocates
|
|
476 |
something like 1024-MALLOC_OVERHEAD bytes
|
|
477 |
*/
|
|
478 |
#define MALLOC_OVERHEAD 8
|
|
479 |
||
480 |
/* get memory in huncs */
|
|
481 |
static const uint32_t ONCE_ALLOC_INIT= 4096; |
|
482 |
/* Typical record cash */
|
|
483 |
static const uint32_t RECORD_CACHE_SIZE= 64*1024; |
|
484 |
||
485 |
||
486 |
/* Some things that this system doesn't have */
|
|
487 |
||
488 |
/* Some defines of functions for portability */
|
|
489 |
||
490 |
#ifndef uint64_t2double
|
|
491 |
#define uint64_t2double(A) ((double) (uint64_t) (A))
|
|
492 |
#endif
|
|
493 |
||
494 |
#ifndef offsetof
|
|
495 |
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
|
|
496 |
#endif
|
|
497 |
#define ulong_to_double(X) ((double) (ulong) (X))
|
|
498 |
||
499 |
/* From limits.h instead */
|
|
500 |
#ifndef DBL_MIN
|
|
501 |
#define DBL_MIN 4.94065645841246544e-324
|
|
502 |
#endif
|
|
503 |
#ifndef DBL_MAX
|
|
504 |
#define DBL_MAX 1.79769313486231470e+308
|
|
505 |
#endif
|
|
506 |
||
507 |
||
508 |
/* Define missing math constants. */
|
|
509 |
#ifndef M_PI
|
|
510 |
#define M_PI 3.14159265358979323846
|
|
511 |
#endif
|
|
512 |
#ifndef M_E
|
|
513 |
#define M_E 2.7182818284590452354
|
|
514 |
#endif
|
|
515 |
#ifndef M_LN2
|
|
516 |
#define M_LN2 0.69314718055994530942
|
|
517 |
#endif
|
|
518 |
||
519 |
/*
|
|
520 |
Max size that must be added to a so that we know Size to make
|
|
521 |
adressable obj.
|
|
522 |
*/
|
|
523 |
#define MY_ALIGN(A,L) (((A) + (L) - 1) & ~((L) - 1))
|
|
524 |
#define ALIGN_SIZE(A) MY_ALIGN((A),sizeof(double))
|
|
525 |
/* Size to make adressable obj. */
|
|
526 |
#define ALIGN_PTR(A, t) ((t*) MY_ALIGN((A),sizeof(t)))
|
|
527 |
/* Offset of field f in structure t */
|
|
528 |
#define OFFSET(t, f) ((size_t)(char *)&((t *)0)->f)
|
|
1241.13.2
by Monty Taylor
Merged in change from Trond. |
529 |
#ifdef __cplusplus
|
530 |
#define ADD_TO_PTR(ptr,size,type) (type) (reinterpret_cast<const unsigned char*>(ptr)+size)
|
|
531 |
#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) (reinterpret_cast<const unsigned char*>(A) - reinterpret_cast<const unsigned char*>(B))
|
|
532 |
#else
|
|
533 |
#define ADD_TO_PTR(ptr,size,type) (type) ((unsigned char*) (ptr)+size)
|
|
534 |
#define PTR_BYTE_DIFF(A,B) (ptrdiff_t) ((unsigned char*) (A) - (unsigned char*) (B))
|
|
535 |
#endif
|
|
1241.9.1
by Monty Taylor
Removed global.h. Fixed all the headers. |
536 |
|
537 |
#define MY_DIV_UP(A, B) (((A) + (B) - 1) / (B))
|
|
538 |
#define MY_ALIGNED_BYTE_ARRAY(N, S, T) T N[MY_DIV_UP(S, sizeof(T))]
|
|
539 |
||
540 |
/* Typdefs for easyier portability */
|
|
541 |
||
542 |
||
543 |
#if defined(SIZEOF_OFF_T)
|
|
544 |
# if (SIZEOF_OFF_T == 8)
|
|
545 |
# define OFF_T_MAX (INT64_MAX)
|
|
546 |
# else
|
|
547 |
# define OFF_T_MAX (INT32_MAX)
|
|
548 |
# endif
|
|
549 |
#endif
|
|
550 |
||
551 |
#define MY_FILEPOS_ERROR -1
|
|
552 |
||
553 |
#define DRIZZLE_SERVER
|
|
554 |
||
555 |
/* Length of decimal number represented by INT32. */
|
|
556 |
#define MY_INT32_NUM_DECIMAL_DIGITS 11
|
|
557 |
||
558 |
/* Length of decimal number represented by INT64. */
|
|
559 |
#define MY_INT64_NUM_DECIMAL_DIGITS 21
|
|
560 |
||
561 |
/*
|
|
562 |
Io buffer size; Must be a power of 2 and
|
|
563 |
a multiple of 512. May be
|
|
564 |
smaller what the disk page size. This influences the speed of the
|
|
565 |
isam btree library. eg to big to slow.
|
|
566 |
*/
|
|
567 |
#define IO_SIZE 4096
|
|
568 |
/* Max file name len */
|
|
569 |
#define FN_LEN 256
|
|
570 |
/* Max length of extension (part of FN_LEN) */
|
|
571 |
#define FN_EXTLEN 20
|
|
572 |
/* Max length of full path-name */
|
|
573 |
#define FN_REFLEN 512
|
|
574 |
/* File extension character */
|
|
575 |
#define FN_EXTCHAR '.'
|
|
576 |
/* ~ is used as abbrev for home dir */
|
|
577 |
#define FN_HOMELIB '~'
|
|
578 |
/* ./ is used as abbrev for current dir */
|
|
579 |
#define FN_CURLIB '.'
|
|
580 |
/* Parent directory; Must be a string */
|
|
581 |
#define FN_PARENTDIR ".."
|
|
582 |
||
583 |
/* Quote argument (before cpp) */
|
|
584 |
#ifndef QUOTE_ARG
|
|
585 |
# define QUOTE_ARG(x) #x
|
|
586 |
#endif
|
|
587 |
/* Quote argument, (after cpp) */
|
|
588 |
#ifndef STRINGIFY_ARG
|
|
589 |
# define STRINGIFY_ARG(x) QUOTE_ARG(x)
|
|
590 |
#endif
|
|
591 |
||
592 |
/*
|
|
593 |
* The macros below are borrowed from include/linux/compiler.h in the
|
|
594 |
* Linux kernel. Use them to indicate the likelyhood of the truthfulness
|
|
595 |
* of a condition. This serves two purposes - newer versions of gcc will be
|
|
596 |
* able to optimize for branch predication, which could yield siginficant
|
|
597 |
* performance gains in frequently executed sections of the code, and the
|
|
598 |
* other reason to use them is for documentation
|
|
599 |
*/
|
|
600 |
#if !defined(__GNUC__)
|
|
601 |
#define __builtin_expect(x, expected_value) (x)
|
|
602 |
#endif
|
|
603 |
||
604 |
#define likely(x) __builtin_expect((x),1)
|
|
605 |
#define unlikely(x) __builtin_expect((x),0)
|
|
606 |
||
607 |
||
608 |
/*
|
|
609 |
Only Linux is known to need an explicit sync of the directory to make sure a
|
|
610 |
file creation/deletion/renaming in(from,to) this directory durable.
|
|
611 |
*/
|
|
612 |
#ifdef TARGET_OS_LINUX
|
|
613 |
#define NEED_EXPLICIT_SYNC_DIR 1
|
|
614 |
#endif
|
|
615 |
||
616 |
/* We need to turn off _DTRACE_VERSION if we're not going to use dtrace */
|
|
617 |
#if !defined(HAVE_DTRACE)
|
|
618 |
# undef _DTRACE_VERSION
|
|
619 |
# define _DTRACE_VERSION 0
|
|
620 |
#endif
|
|
621 |
||
1280.1.10
by Monty Taylor
Put everything in drizzled into drizzled namespace. |
622 |
} /* namespace drizzled */ |
623 |
||
1119.9.4
by Jay Pipes
Removes the FIELDFLAG_NO_DEFAULT bit and f_no_default macro and calls |
624 |
#endif /* DRIZZLED_DEFINITIONS_H */ |