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author | Sergei Golubchik <vuvova@gmail.com> | 2015-05-04 19:17:21 +0200 |
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committer | Sergei Golubchik <vuvova@gmail.com> | 2015-05-04 19:17:21 +0200 |
commit | 6d06fbbd1dc25b3c12568f9038060dfdb69f9683 (patch) | |
tree | 21e27f3fddc89f9dda6b337091464ba10c490123 /storage/innobase/include/dict0boot.h | |
parent | 1645930d0bd02f79df3ebff412b90acdc15bd9a0 (diff) | |
download | mariadb-git-6d06fbbd1dc25b3c12568f9038060dfdb69f9683.tar.gz |
move to storage/innobase
Diffstat (limited to 'storage/innobase/include/dict0boot.h')
-rw-r--r-- | storage/innobase/include/dict0boot.h | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/storage/innobase/include/dict0boot.h b/storage/innobase/include/dict0boot.h new file mode 100644 index 00000000000..a994c9d8ff1 --- /dev/null +++ b/storage/innobase/include/dict0boot.h @@ -0,0 +1,342 @@ +/***************************************************************************** + +Copyright (c) 1996, 2012, 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 + +*****************************************************************************/ + +/**************************************************//** +@file include/dict0boot.h +Data dictionary creation and booting + +Created 4/18/1996 Heikki Tuuri +*******************************************************/ + +#ifndef dict0boot_h +#define dict0boot_h + +#include "univ.i" + +#include "mtr0mtr.h" +#include "mtr0log.h" +#include "ut0byte.h" +#include "buf0buf.h" +#include "fsp0fsp.h" +#include "dict0dict.h" + +typedef byte dict_hdr_t; + +/**********************************************************************//** +Gets a pointer to the dictionary header and x-latches its page. +@return pointer to the dictionary header, page x-latched */ +UNIV_INTERN +dict_hdr_t* +dict_hdr_get( +/*=========*/ + mtr_t* mtr); /*!< in: mtr */ +/**********************************************************************//** +Returns a new table, index, or space id. */ +UNIV_INTERN +void +dict_hdr_get_new_id( +/*================*/ + table_id_t* table_id, /*!< out: table id + (not assigned if NULL) */ + index_id_t* index_id, /*!< out: index id + (not assigned if NULL) */ + ulint* space_id); /*!< out: space id + (not assigned if NULL) */ +/**********************************************************************//** +Writes the current value of the row id counter to the dictionary header file +page. */ +UNIV_INTERN +void +dict_hdr_flush_row_id(void); +/*=======================*/ +/**********************************************************************//** +Returns a new row id. +@return the new id */ +UNIV_INLINE +row_id_t +dict_sys_get_new_row_id(void); +/*=========================*/ +/**********************************************************************//** +Reads a row id from a record or other 6-byte stored form. +@return row id */ +UNIV_INLINE +row_id_t +dict_sys_read_row_id( +/*=================*/ + const byte* field); /*!< in: record field */ +/**********************************************************************//** +Writes a row id to a record or other 6-byte stored form. */ +UNIV_INLINE +void +dict_sys_write_row_id( +/*==================*/ + byte* field, /*!< in: record field */ + row_id_t row_id);/*!< in: row id */ +/*****************************************************************//** +Initializes the data dictionary memory structures when the database is +started. This function is also called when the data dictionary is created. +@return DB_SUCCESS or error code. */ +UNIV_INTERN +dberr_t +dict_boot(void) +/*===========*/ + __attribute__((warn_unused_result)); + +/*****************************************************************//** +Creates and initializes the data dictionary at the server bootstrap. +@return DB_SUCCESS or error code. */ +UNIV_INTERN +dberr_t +dict_create(void) +/*=============*/ + __attribute__((warn_unused_result)); + +/*********************************************************************//** +Check if a table id belongs to system table. +@return true if the table id belongs to a system table. */ +UNIV_INLINE +bool +dict_is_sys_table( +/*==============*/ + table_id_t id) /*!< in: table id to check */ + __attribute__((warn_unused_result)); + +/* Space id and page no where the dictionary header resides */ +#define DICT_HDR_SPACE 0 /* the SYSTEM tablespace */ +#define DICT_HDR_PAGE_NO FSP_DICT_HDR_PAGE_NO + +/* The ids for the basic system tables and their indexes */ +#define DICT_TABLES_ID 1 +#define DICT_COLUMNS_ID 2 +#define DICT_INDEXES_ID 3 +#define DICT_FIELDS_ID 4 +/* The following is a secondary index on SYS_TABLES */ +#define DICT_TABLE_IDS_ID 5 + +#define DICT_HDR_FIRST_ID 10 /* the ids for tables etc. start + from this number, except for basic + system tables and their above defined + indexes; ibuf tables and indexes are + assigned as the id the number + DICT_IBUF_ID_MIN plus the space id */ + +/* The offset of the dictionary header on the page */ +#define DICT_HDR FSEG_PAGE_DATA + +/*-------------------------------------------------------------*/ +/* Dictionary header offsets */ +#define DICT_HDR_ROW_ID 0 /* The latest assigned row id */ +#define DICT_HDR_TABLE_ID 8 /* The latest assigned table id */ +#define DICT_HDR_INDEX_ID 16 /* The latest assigned index id */ +#define DICT_HDR_MAX_SPACE_ID 24 /* The latest assigned space id,or 0*/ +#define DICT_HDR_MIX_ID_LOW 28 /* Obsolete,always DICT_HDR_FIRST_ID*/ +#define DICT_HDR_TABLES 32 /* Root of SYS_TABLES clust index */ +#define DICT_HDR_TABLE_IDS 36 /* Root of SYS_TABLE_IDS sec index */ +#define DICT_HDR_COLUMNS 40 /* Root of SYS_COLUMNS clust index */ +#define DICT_HDR_INDEXES 44 /* Root of SYS_INDEXES clust index */ +#define DICT_HDR_FIELDS 48 /* Root of SYS_FIELDS clust index */ + +#define DICT_HDR_FSEG_HEADER 56 /* Segment header for the tablespace + segment into which the dictionary + header is created */ +/*-------------------------------------------------------------*/ + +/* The columns in SYS_TABLES */ +enum dict_col_sys_tables_enum { + DICT_COL__SYS_TABLES__NAME = 0, + DICT_COL__SYS_TABLES__ID = 1, + DICT_COL__SYS_TABLES__N_COLS = 2, + DICT_COL__SYS_TABLES__TYPE = 3, + DICT_COL__SYS_TABLES__MIX_ID = 4, + DICT_COL__SYS_TABLES__MIX_LEN = 5, + DICT_COL__SYS_TABLES__CLUSTER_ID = 6, + DICT_COL__SYS_TABLES__SPACE = 7, + DICT_NUM_COLS__SYS_TABLES = 8 +}; +/* The field numbers in the SYS_TABLES clustered index */ +enum dict_fld_sys_tables_enum { + DICT_FLD__SYS_TABLES__NAME = 0, + DICT_FLD__SYS_TABLES__DB_TRX_ID = 1, + DICT_FLD__SYS_TABLES__DB_ROLL_PTR = 2, + DICT_FLD__SYS_TABLES__ID = 3, + DICT_FLD__SYS_TABLES__N_COLS = 4, + DICT_FLD__SYS_TABLES__TYPE = 5, + DICT_FLD__SYS_TABLES__MIX_ID = 6, + DICT_FLD__SYS_TABLES__MIX_LEN = 7, + DICT_FLD__SYS_TABLES__CLUSTER_ID = 8, + DICT_FLD__SYS_TABLES__SPACE = 9, + DICT_NUM_FIELDS__SYS_TABLES = 10 +}; +/* The field numbers in the SYS_TABLE_IDS index */ +enum dict_fld_sys_table_ids_enum { + DICT_FLD__SYS_TABLE_IDS__ID = 0, + DICT_FLD__SYS_TABLE_IDS__NAME = 1, + DICT_NUM_FIELDS__SYS_TABLE_IDS = 2 +}; +/* The columns in SYS_COLUMNS */ +enum dict_col_sys_columns_enum { + DICT_COL__SYS_COLUMNS__TABLE_ID = 0, + DICT_COL__SYS_COLUMNS__POS = 1, + DICT_COL__SYS_COLUMNS__NAME = 2, + DICT_COL__SYS_COLUMNS__MTYPE = 3, + DICT_COL__SYS_COLUMNS__PRTYPE = 4, + DICT_COL__SYS_COLUMNS__LEN = 5, + DICT_COL__SYS_COLUMNS__PREC = 6, + DICT_NUM_COLS__SYS_COLUMNS = 7 +}; +/* The field numbers in the SYS_COLUMNS clustered index */ +enum dict_fld_sys_columns_enum { + DICT_FLD__SYS_COLUMNS__TABLE_ID = 0, + DICT_FLD__SYS_COLUMNS__POS = 1, + DICT_FLD__SYS_COLUMNS__DB_TRX_ID = 2, + DICT_FLD__SYS_COLUMNS__DB_ROLL_PTR = 3, + DICT_FLD__SYS_COLUMNS__NAME = 4, + DICT_FLD__SYS_COLUMNS__MTYPE = 5, + DICT_FLD__SYS_COLUMNS__PRTYPE = 6, + DICT_FLD__SYS_COLUMNS__LEN = 7, + DICT_FLD__SYS_COLUMNS__PREC = 8, + DICT_NUM_FIELDS__SYS_COLUMNS = 9 +}; +/* The columns in SYS_INDEXES */ +enum dict_col_sys_indexes_enum { + DICT_COL__SYS_INDEXES__TABLE_ID = 0, + DICT_COL__SYS_INDEXES__ID = 1, + DICT_COL__SYS_INDEXES__NAME = 2, + DICT_COL__SYS_INDEXES__N_FIELDS = 3, + DICT_COL__SYS_INDEXES__TYPE = 4, + DICT_COL__SYS_INDEXES__SPACE = 5, + DICT_COL__SYS_INDEXES__PAGE_NO = 6, + DICT_NUM_COLS__SYS_INDEXES = 7 +}; +/* The field numbers in the SYS_INDEXES clustered index */ +enum dict_fld_sys_indexes_enum { + DICT_FLD__SYS_INDEXES__TABLE_ID = 0, + DICT_FLD__SYS_INDEXES__ID = 1, + DICT_FLD__SYS_INDEXES__DB_TRX_ID = 2, + DICT_FLD__SYS_INDEXES__DB_ROLL_PTR = 3, + DICT_FLD__SYS_INDEXES__NAME = 4, + DICT_FLD__SYS_INDEXES__N_FIELDS = 5, + DICT_FLD__SYS_INDEXES__TYPE = 6, + DICT_FLD__SYS_INDEXES__SPACE = 7, + DICT_FLD__SYS_INDEXES__PAGE_NO = 8, + DICT_NUM_FIELDS__SYS_INDEXES = 9 +}; +/* The columns in SYS_FIELDS */ +enum dict_col_sys_fields_enum { + DICT_COL__SYS_FIELDS__INDEX_ID = 0, + DICT_COL__SYS_FIELDS__POS = 1, + DICT_COL__SYS_FIELDS__COL_NAME = 2, + DICT_NUM_COLS__SYS_FIELDS = 3 +}; +/* The field numbers in the SYS_FIELDS clustered index */ +enum dict_fld_sys_fields_enum { + DICT_FLD__SYS_FIELDS__INDEX_ID = 0, + DICT_FLD__SYS_FIELDS__POS = 1, + DICT_FLD__SYS_FIELDS__DB_TRX_ID = 2, + DICT_FLD__SYS_FIELDS__DB_ROLL_PTR = 3, + DICT_FLD__SYS_FIELDS__COL_NAME = 4, + DICT_NUM_FIELDS__SYS_FIELDS = 5 +}; +/* The columns in SYS_FOREIGN */ +enum dict_col_sys_foreign_enum { + DICT_COL__SYS_FOREIGN__ID = 0, + DICT_COL__SYS_FOREIGN__FOR_NAME = 1, + DICT_COL__SYS_FOREIGN__REF_NAME = 2, + DICT_COL__SYS_FOREIGN__N_COLS = 3, + DICT_NUM_COLS__SYS_FOREIGN = 4 +}; +/* The field numbers in the SYS_FOREIGN clustered index */ +enum dict_fld_sys_foreign_enum { + DICT_FLD__SYS_FOREIGN__ID = 0, + DICT_FLD__SYS_FOREIGN__DB_TRX_ID = 1, + DICT_FLD__SYS_FOREIGN__DB_ROLL_PTR = 2, + DICT_FLD__SYS_FOREIGN__FOR_NAME = 3, + DICT_FLD__SYS_FOREIGN__REF_NAME = 4, + DICT_FLD__SYS_FOREIGN__N_COLS = 5, + DICT_NUM_FIELDS__SYS_FOREIGN = 6 +}; +/* The field numbers in the SYS_FOREIGN_FOR_NAME secondary index */ +enum dict_fld_sys_foreign_for_name_enum { + DICT_FLD__SYS_FOREIGN_FOR_NAME__NAME = 0, + DICT_FLD__SYS_FOREIGN_FOR_NAME__ID = 1, + DICT_NUM_FIELDS__SYS_FOREIGN_FOR_NAME = 2 +}; +/* The columns in SYS_FOREIGN_COLS */ +enum dict_col_sys_foreign_cols_enum { + DICT_COL__SYS_FOREIGN_COLS__ID = 0, + DICT_COL__SYS_FOREIGN_COLS__POS = 1, + DICT_COL__SYS_FOREIGN_COLS__FOR_COL_NAME = 2, + DICT_COL__SYS_FOREIGN_COLS__REF_COL_NAME = 3, + DICT_NUM_COLS__SYS_FOREIGN_COLS = 4 +}; +/* The field numbers in the SYS_FOREIGN_COLS clustered index */ +enum dict_fld_sys_foreign_cols_enum { + DICT_FLD__SYS_FOREIGN_COLS__ID = 0, + DICT_FLD__SYS_FOREIGN_COLS__POS = 1, + DICT_FLD__SYS_FOREIGN_COLS__DB_TRX_ID = 2, + DICT_FLD__SYS_FOREIGN_COLS__DB_ROLL_PTR = 3, + DICT_FLD__SYS_FOREIGN_COLS__FOR_COL_NAME = 4, + DICT_FLD__SYS_FOREIGN_COLS__REF_COL_NAME = 5, + DICT_NUM_FIELDS__SYS_FOREIGN_COLS = 6 +}; +/* The columns in SYS_TABLESPACES */ +enum dict_col_sys_tablespaces_enum { + DICT_COL__SYS_TABLESPACES__SPACE = 0, + DICT_COL__SYS_TABLESPACES__NAME = 1, + DICT_COL__SYS_TABLESPACES__FLAGS = 2, + DICT_NUM_COLS__SYS_TABLESPACES = 3 +}; +/* The field numbers in the SYS_TABLESPACES clustered index */ +enum dict_fld_sys_tablespaces_enum { + DICT_FLD__SYS_TABLESPACES__SPACE = 0, + DICT_FLD__SYS_TABLESPACES__DB_TRX_ID = 1, + DICT_FLD__SYS_TABLESPACES__DB_ROLL_PTR = 2, + DICT_FLD__SYS_TABLESPACES__NAME = 3, + DICT_FLD__SYS_TABLESPACES__FLAGS = 4, + DICT_NUM_FIELDS__SYS_TABLESPACES = 5 +}; +/* The columns in SYS_DATAFILES */ +enum dict_col_sys_datafiles_enum { + DICT_COL__SYS_DATAFILES__SPACE = 0, + DICT_COL__SYS_DATAFILES__PATH = 1, + DICT_NUM_COLS__SYS_DATAFILES = 2 +}; +/* The field numbers in the SYS_DATAFILES clustered index */ +enum dict_fld_sys_datafiles_enum { + DICT_FLD__SYS_DATAFILES__SPACE = 0, + DICT_FLD__SYS_DATAFILES__DB_TRX_ID = 1, + DICT_FLD__SYS_DATAFILES__DB_ROLL_PTR = 2, + DICT_FLD__SYS_DATAFILES__PATH = 3, + DICT_NUM_FIELDS__SYS_DATAFILES = 4 +}; + +/* A number of the columns above occur in multiple tables. These are the +length of thos fields. */ +#define DICT_FLD_LEN_SPACE 4 +#define DICT_FLD_LEN_FLAGS 4 + +/* When a row id which is zero modulo this number (which must be a power of +two) is assigned, the field DICT_HDR_ROW_ID on the dictionary header page is +updated */ +#define DICT_HDR_ROW_ID_WRITE_MARGIN 256 + +#ifndef UNIV_NONINL +#include "dict0boot.ic" +#endif + +#endif |