~drizzle-trunk/drizzle/development

1 by brian
clean slate
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/* Copyright (C) 2000-2006 MySQL AB
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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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   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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   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
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/*  Extra functions used by unireg library */
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#ifndef _unireg_h
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#ifndef NO_ALARM_LOOP
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#define NO_ALARM_LOOP		/* lib5 and popen can't use alarm */
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#endif
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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 ERRMSG_FILE	"errmsg.sys"
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#define TEMP_PREFIX	"MY"
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#define LOG_PREFIX	"ML"
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#define PROGDIR		"bin/"
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#ifndef DATADIR
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#define DATADIR		"data/"
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#endif
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#ifndef SHAREDIR
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#define SHAREDIR	"share/"
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#endif
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#ifndef PLUGINDIR
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#define PLUGINDIR	"lib/plugin"
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#endif
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#define ER(X) errmesg[(X) - ER_ERROR_FIRST]
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#define ER_SAFE(X) (((X) >= ER_ERROR_FIRST && (X) <= ER_ERROR_LAST) ? ER(X) : "Invalid error code")
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#define ERRMAPP 1				/* Errormap f|r my_error */
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#define LIBLEN FN_REFLEN-FN_LEN			/* Max l{ngd p} dev */
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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_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_BIT_FIELD_LENGTH    64      /* Max length in bits for bit fields */
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#define MAX_DATE_WIDTH		10	/* YYYY-MM-DD */
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#define MAX_TIME_WIDTH		23	/* -DDDDDD HH:MM:SS.###### */
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#define MAX_DATETIME_FULL_WIDTH 29	/* YYYY-MM-DD HH:MM:SS.###### AM */
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#define MAX_DATETIME_WIDTH	19	/* YYYY-MM-DD HH:MM:SS */
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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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#define MAX_FIELDS	4096			/* Limit in the .frm file */
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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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/* Memory allocated when parsing a statement / saving a statement */
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#define MEM_ROOT_BLOCK_SIZE       8192
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#define MEM_ROOT_PREALLOC         8192
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#define TRANS_MEM_ROOT_BLOCK_SIZE 4096
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#define TRANS_MEM_ROOT_PREALLOC   4096
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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 SCROLL_EXTRA	5			/* Extra scroll-rows. */
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#define FIELD_NAME_USED ((uint) 32768)		/* Bit set if fieldname used */
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#define FORM_NAME_USED	((uint) 16384)		/* Bit set if formname used */
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#define FIELD_NR_MASK	16383			/* To get fieldnumber */
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#define FERR		-1			/* Error from my_functions */
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#define CREATE_MODE	0			/* Default mode on new files */
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#define NAMES_SEP_CHAR	'\377'			/* Char to sep. names */
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#define READ_RECORD_BUFFER	(uint) (IO_SIZE*8) /* Pointer_buffer_size */
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#define DISK_BUFFER_SIZE	(uint) (IO_SIZE*16) /* Size of diskbuffer */
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#define ME_INFO (ME_HOLDTANG+ME_OLDWIN+ME_NOREFRESH)
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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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#define SPECIAL_USE_LOCKS	1		/* Lock used databases */
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#define SPECIAL_NO_NEW_FUNC	2		/* Skip new functions */
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#define SPECIAL_SKIP_SHOW_DB    4               /* Don't allow 'show db' */
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#define SPECIAL_WAIT_IF_LOCKED	8		/* Wait if locked database */
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#define SPECIAL_SAME_DB_NAME   16		/* form name = file name */
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#define SPECIAL_ENGLISH        32		/* English error messages */
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#define SPECIAL_NO_RESOLVE     64		/* Don't use gethostname */
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#define SPECIAL_NO_PRIOR	128		/* Don't prioritize threads */
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#define SPECIAL_BIG_SELECTS	256		/* Don't use heap tables */
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#define SPECIAL_NO_HOST_CACHE	512		/* Don't cache hosts */
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#define SPECIAL_SHORT_LOG_FORMAT 1024
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#define SPECIAL_SAFE_MODE	2048
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#define SPECIAL_LOG_QUERIES_NOT_USING_INDEXES 4096 /* Obsolete */
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	/* Extern defines */
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#define store_record(A,B) bmove_align((A)->B,(A)->record[0],(size_t) (A)->s->reclength)
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#define restore_record(A,B) bmove_align((A)->record[0],(A)->B,(size_t) (A)->s->reclength)
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#define cmp_record(A,B) memcmp((A)->record[0],(A)->B,(size_t) (A)->s->reclength)
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#define empty_record(A) { \
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                          restore_record((A),s->default_values); \
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                          bfill((A)->null_flags,(A)->s->null_bytes,255);\
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                        }
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	/* Defines for use with openfrm, openprt and openfrd */
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#define READ_ALL		1	/* openfrm: Read all parameters */
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#define CHANGE_FRM		2	/* openfrm: open .frm as O_RDWR */
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#define READ_KEYINFO		4	/* L{s nyckeldata fr}n filen */
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#define EXTRA_RECORD		8	/* Reservera plats f|r extra record */
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#define DONT_OPEN_TABLES	8	/* Don't open database-files (frd) */
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#define DONT_OPEN_MASTER_REG	16	/* Don't open first reg-file (prt) */
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#define EXTRA_LONG_RECORD	16	/* Plats f|r dubbel s|k-record */
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#define COMPUTE_TYPES		32	/* Kontrollera type f|r f{ltena */
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#define SEARCH_PRG		64	/* S|k efter registret i 'prg_dev' */
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#define READ_USED_NAMES		128	/* L{s anv{nda formul{rnamn */
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#define DONT_GIVE_ERROR		256	/* Don't do frm_error on openfrm  */
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#define READ_SCREENS		1024	/* Read screens, info and helpfile */
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#define DELAYED_OPEN		4096	/* Open table later */
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#define OPEN_VIEW		8192	/* Allow open on view */
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#define OPEN_VIEW_NO_PARSE     16384    /* Open frm only if it's a view,
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                                           but do not parse view itself */
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/**
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  This flag is used in function get_all_tables() which fills
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  I_S tables with data which are retrieved from frm files and storage engine
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  The flag means that we need to open FRM file only to get necessary data.
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*/
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#define OPEN_FRM_FILE_ONLY     32768
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/**
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  This flag is used in function get_all_tables() which fills
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  I_S tables with data which are retrieved from frm files and storage engine
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  The flag means that we need to process tables only to get necessary data.
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  Views are not processed.
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*/
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#define OPEN_TABLE_ONLY        OPEN_FRM_FILE_ONLY*2
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/**
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  This flag is used in function get_all_tables() which fills
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  I_S tables with data which are retrieved from frm files and storage engine
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  The flag means that we need to process views only to get necessary data.
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  Tables are not processed.
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*/
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#define OPEN_VIEW_ONLY         OPEN_TABLE_ONLY*2
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/**
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  This flag is used in function get_all_tables() which fills
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  I_S tables with data which are retrieved from frm files and storage engine.
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  The flag means that we need to open a view using
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  open_normal_and_derived_tables() function.
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*/
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#define OPEN_VIEW_FULL         OPEN_VIEW_ONLY*2
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/**
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  This flag is used in function get_all_tables() which fills
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  I_S tables with data which are retrieved from frm files and storage engine.
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  The flag means that I_S table uses optimization algorithm.
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*/
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#define OPTIMIZE_I_S_TABLE     OPEN_VIEW_FULL*2
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/*
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  The flag means that we need to process trigger files only.
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*/
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#define OPEN_TRIGGER_ONLY      OPTIMIZE_I_S_TABLE*2
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#define SC_INFO_LENGTH 4		/* Form format constant */
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#define TE_INFO_LENGTH 3
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#define MTYP_NOEMPTY_BIT 128
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#define FRM_VER_TRUE_VARCHAR (FRM_VER+4) /* 10 */
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#define MYSQL_VERSION_TABLESPACE_IN_FRM_CGE 50120
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#define MYSQL_VERSION_TABLESPACE_IN_FRM 50205
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#define MYSQL_VERSION_TABLESPACE_IN_FRM_STR "50205"
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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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/* 
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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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#define BIN_LOG_HEADER_SIZE    4 
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#define DEFAULT_KEY_CACHE_NAME "default"
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#define STORAGE_TYPE_MASK 7
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#define COLUMN_FORMAT_MASK 7
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#define COLUMN_FORMAT_SHIFT 3
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/* Include prototypes for unireg */
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#include "mysqld_error.h"
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#include "structs.h"				/* All structs we need */
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#endif