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Diffstat (limited to 'storage/innobase/dict/dict0boot.c')
| -rw-r--r-- | storage/innobase/dict/dict0boot.c | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/storage/innobase/dict/dict0boot.c b/storage/innobase/dict/dict0boot.c deleted file mode 100644 index 5f9aaf71e18..00000000000 --- a/storage/innobase/dict/dict0boot.c +++ /dev/null @@ -1,425 +0,0 @@ -/****************************************************** -Data dictionary creation and booting - -(c) 1996 Innobase Oy - -Created 4/18/1996 Heikki Tuuri -*******************************************************/ - -#include "dict0boot.h" - -#ifdef UNIV_NONINL -#include "dict0boot.ic" -#endif - -#include "dict0crea.h" -#include "btr0btr.h" -#include "dict0load.h" -#include "dict0load.h" -#include "trx0trx.h" -#include "srv0srv.h" -#include "ibuf0ibuf.h" -#include "buf0flu.h" -#include "log0recv.h" -#include "os0file.h" - -/************************************************************************** -Gets a pointer to the dictionary header and x-latches its page. */ - -dict_hdr_t* -dict_hdr_get( -/*=========*/ - /* out: pointer to the dictionary header, - page x-latched */ - mtr_t* mtr) /* in: mtr */ -{ - dict_hdr_t* header; - - ut_ad(mtr); - - header = DICT_HDR + buf_page_get(DICT_HDR_SPACE, DICT_HDR_PAGE_NO, - RW_X_LATCH, mtr); -#ifdef UNIV_SYNC_DEBUG - buf_page_dbg_add_level(header, SYNC_DICT_HEADER); -#endif /* UNIV_SYNC_DEBUG */ - return(header); -} - -/************************************************************************** -Returns a new table, index, or tree id. */ - -dulint -dict_hdr_get_new_id( -/*================*/ - /* out: the new id */ - ulint type) /* in: DICT_HDR_ROW_ID, ... */ -{ - dict_hdr_t* dict_hdr; - dulint id; - mtr_t mtr; - - ut_ad((type == DICT_HDR_TABLE_ID) || (type == DICT_HDR_INDEX_ID)); - - mtr_start(&mtr); - - dict_hdr = dict_hdr_get(&mtr); - - id = mtr_read_dulint(dict_hdr + type, &mtr); - id = ut_dulint_add(id, 1); - - mlog_write_dulint(dict_hdr + type, id, &mtr); - - mtr_commit(&mtr); - - return(id); -} - -/************************************************************************** -Writes the current value of the row id counter to the dictionary header file -page. */ - -void -dict_hdr_flush_row_id(void) -/*=======================*/ -{ - dict_hdr_t* dict_hdr; - dulint id; - mtr_t mtr; - - ut_ad(mutex_own(&(dict_sys->mutex))); - - id = dict_sys->row_id; - - mtr_start(&mtr); - - dict_hdr = dict_hdr_get(&mtr); - - mlog_write_dulint(dict_hdr + DICT_HDR_ROW_ID, id, &mtr); - - mtr_commit(&mtr); -} - -/********************************************************************* -Creates the file page for the dictionary header. This function is -called only at the database creation. */ -static -ibool -dict_hdr_create( -/*============*/ - /* out: TRUE if succeed */ - mtr_t* mtr) /* in: mtr */ -{ - dict_hdr_t* dict_header; - ulint hdr_page_no; - ulint root_page_no; - page_t* page; - - ut_ad(mtr); - - /* Create the dictionary header file block in a new, allocated file - segment in the system tablespace */ - page = fseg_create(DICT_HDR_SPACE, 0, - DICT_HDR + DICT_HDR_FSEG_HEADER, mtr); - - hdr_page_no = buf_frame_get_page_no(page); - - ut_a(DICT_HDR_PAGE_NO == hdr_page_no); - - dict_header = dict_hdr_get(mtr); - - /* Start counting row, table, index, and tree ids from - DICT_HDR_FIRST_ID */ - mlog_write_dulint(dict_header + DICT_HDR_ROW_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - mlog_write_dulint(dict_header + DICT_HDR_TABLE_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - mlog_write_dulint(dict_header + DICT_HDR_INDEX_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - /* Obsolete, but we must initialize it to 0 anyway. */ - mlog_write_dulint(dict_header + DICT_HDR_MIX_ID, - ut_dulint_create(0, DICT_HDR_FIRST_ID), mtr); - - /* Create the B-tree roots for the clustered indexes of the basic - system tables */ - - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, DICT_TABLES_ID, FALSE, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_TABLES, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_UNIQUE, DICT_HDR_SPACE, - DICT_TABLE_IDS_ID, FALSE, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_TABLE_IDS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, DICT_COLUMNS_ID, FALSE, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_COLUMNS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, DICT_INDEXES_ID, FALSE, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_INDEXES, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - root_page_no = btr_create(DICT_CLUSTERED | DICT_UNIQUE, - DICT_HDR_SPACE, DICT_FIELDS_ID, FALSE, mtr); - if (root_page_no == FIL_NULL) { - - return(FALSE); - } - - mlog_write_ulint(dict_header + DICT_HDR_FIELDS, root_page_no, - MLOG_4BYTES, mtr); - /*--------------------------*/ - - return(TRUE); -} - -/********************************************************************* -Initializes the data dictionary memory structures when the database is -started. This function is also called when the data dictionary is created. */ - -void -dict_boot(void) -/*===========*/ -{ - dict_table_t* table; - dict_index_t* index; - dict_hdr_t* dict_hdr; - mem_heap_t* heap; - mtr_t mtr; - - mtr_start(&mtr); - - /* Create the hash tables etc. */ - dict_init(); - - heap = mem_heap_create(450); - - mutex_enter(&(dict_sys->mutex)); - - /* Get the dictionary header */ - dict_hdr = dict_hdr_get(&mtr); - - /* Because we only write new row ids to disk-based data structure - (dictionary header) when it is divisible by - DICT_HDR_ROW_ID_WRITE_MARGIN, in recovery we will not recover - the latest value of the row id counter. Therefore we advance - the counter at the database startup to avoid overlapping values. - Note that when a user after database startup first time asks for - a new row id, then because the counter is now divisible by - ..._MARGIN, it will immediately be updated to the disk-based - header. */ - - dict_sys->row_id = ut_dulint_add( - ut_dulint_align_up(mtr_read_dulint(dict_hdr + DICT_HDR_ROW_ID, - &mtr), - DICT_HDR_ROW_ID_WRITE_MARGIN), - DICT_HDR_ROW_ID_WRITE_MARGIN); - - /* Insert into the dictionary cache the descriptions of the basic - system tables */ - /*-------------------------*/ - table = dict_mem_table_create("SYS_TABLES", DICT_HDR_SPACE, 8, 0); - - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "N_COLS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "MIX_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "MIX_LEN", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "CLUSTER_NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); - - table->id = DICT_TABLES_ID; - - dict_table_add_to_cache(table, heap); - dict_sys->sys_tables = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_TABLES", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 1); - - dict_mem_index_add_field(index, "NAME", 0); - - index->id = DICT_TABLES_ID; - - dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr + DICT_HDR_TABLES, - MLOG_4BYTES, &mtr)); - - /*-------------------------*/ - index = dict_mem_index_create("SYS_TABLES", "ID_IND", - DICT_HDR_SPACE, DICT_UNIQUE, 1); - dict_mem_index_add_field(index, "ID", 0); - - index->id = DICT_TABLE_IDS_ID; - dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr + DICT_HDR_TABLE_IDS, - MLOG_4BYTES, &mtr)); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_COLUMNS", DICT_HDR_SPACE, 7, 0); - - dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "MTYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PRTYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "LEN", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PREC", DATA_INT, 0, 4); - - table->id = DICT_COLUMNS_ID; - - dict_table_add_to_cache(table, heap); - dict_sys->sys_columns = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_COLUMNS", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "TABLE_ID", 0); - dict_mem_index_add_field(index, "POS", 0); - - index->id = DICT_COLUMNS_ID; - dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr + DICT_HDR_COLUMNS, - MLOG_4BYTES, &mtr)); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_INDEXES", DICT_HDR_SPACE, 7, 0); - - dict_mem_table_add_col(table, heap, "TABLE_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "NAME", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "N_FIELDS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "TYPE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "SPACE", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "PAGE_NO", DATA_INT, 0, 4); - - /* The '+ 2' below comes from the 2 system fields */ -#if DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2 -#error "DICT_SYS_INDEXES_PAGE_NO_FIELD != 6 + 2" -#endif -#if DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2 -#error "DICT_SYS_INDEXES_SPACE_NO_FIELD != 5 + 2" -#endif -#if DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2 -#error "DICT_SYS_INDEXES_TYPE_FIELD != 4 + 2" -#endif - - table->id = DICT_INDEXES_ID; - dict_table_add_to_cache(table, heap); - dict_sys->sys_indexes = table; - mem_heap_empty(heap); - - index = dict_mem_index_create("SYS_INDEXES", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "TABLE_ID", 0); - dict_mem_index_add_field(index, "ID", 0); - - index->id = DICT_INDEXES_ID; - dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr + DICT_HDR_INDEXES, - MLOG_4BYTES, &mtr)); - - /*-------------------------*/ - table = dict_mem_table_create("SYS_FIELDS", DICT_HDR_SPACE, 3, 0); - - dict_mem_table_add_col(table, heap, "INDEX_ID", DATA_BINARY, 0, 0); - dict_mem_table_add_col(table, heap, "POS", DATA_INT, 0, 4); - dict_mem_table_add_col(table, heap, "COL_NAME", DATA_BINARY, 0, 0); - - table->id = DICT_FIELDS_ID; - dict_table_add_to_cache(table, heap); - dict_sys->sys_fields = table; - mem_heap_free(heap); - - index = dict_mem_index_create("SYS_FIELDS", "CLUST_IND", - DICT_HDR_SPACE, - DICT_UNIQUE | DICT_CLUSTERED, 2); - - dict_mem_index_add_field(index, "INDEX_ID", 0); - dict_mem_index_add_field(index, "POS", 0); - - index->id = DICT_FIELDS_ID; - dict_index_add_to_cache(table, index, - mtr_read_ulint(dict_hdr + DICT_HDR_FIELDS, - MLOG_4BYTES, &mtr)); - - mtr_commit(&mtr); - /*-------------------------*/ - - /* Initialize the insert buffer table and index for each tablespace */ - - ibuf_init_at_db_start(); - - /* Load definitions of other indexes on system tables */ - - dict_load_sys_table(dict_sys->sys_tables); - dict_load_sys_table(dict_sys->sys_columns); - dict_load_sys_table(dict_sys->sys_indexes); - dict_load_sys_table(dict_sys->sys_fields); - - mutex_exit(&(dict_sys->mutex)); -} - -/********************************************************************* -Inserts the basic system table data into themselves in the database -creation. */ -static -void -dict_insert_initial_data(void) -/*==========================*/ -{ - /* Does nothing yet */ -} - -/********************************************************************* -Creates and initializes the data dictionary at the database creation. */ - -void -dict_create(void) -/*=============*/ -{ - mtr_t mtr; - - mtr_start(&mtr); - - dict_hdr_create(&mtr); - - mtr_commit(&mtr); - - dict_boot(); - - dict_insert_initial_data(); -} |