示例#1
0
/*******************************************************************
Builds a table definition to insert. */
static
ulint
dict_build_table_def_step(
/*======================*/
				/* out: DB_SUCCESS or error code */
	que_thr_t*	thr,	/* in: query thread */
	tab_node_t*	node)	/* in: table create node */
{
	dict_table_t*	table;
	dtuple_t*	row;
	ulint		error;
	const char*	path_or_name;
	ibool		is_path;
	mtr_t		mtr;
	ulint		i;
	ulint		row_len;

	ut_ad(mutex_own(&(dict_sys->mutex)));

	table = node->table;

	table->id = dict_hdr_get_new_id(DICT_HDR_TABLE_ID);

	thr_get_trx(thr)->table_id = table->id;

	row_len = 0;
	for (i = 0; i < table->n_def; i++) {
		row_len += dict_col_get_min_size(&table->cols[i]);
	}
	if (row_len > BTR_PAGE_MAX_REC_SIZE) {
		return(DB_TOO_BIG_RECORD);
	}

	if (srv_file_per_table) {
		/* We create a new single-table tablespace for the table.
		We initially let it be 4 pages:
		- page 0 is the fsp header and an extent descriptor page,
		- page 1 is an ibuf bitmap page,
		- page 2 is the first inode page,
		- page 3 will contain the root of the clustered index of the
		table we create here. */

		ulint	space = 0;	/* reset to zero for the call below */

		if (table->dir_path_of_temp_table) {
			/* We place tables created with CREATE TEMPORARY
			TABLE in the tmp dir of mysqld server */

			path_or_name = table->dir_path_of_temp_table;
			is_path = TRUE;
		} else {
			path_or_name = table->name;
			is_path = FALSE;
		}

		error = fil_create_new_single_table_tablespace(
			&space, path_or_name, is_path,
			FIL_IBD_FILE_INITIAL_SIZE);
		table->space = (unsigned int) space;

		if (error != DB_SUCCESS) {

			return(error);
		}

		mtr_start(&mtr);

		fsp_header_init(table->space, FIL_IBD_FILE_INITIAL_SIZE, &mtr);

		mtr_commit(&mtr);
	}

	row = dict_create_sys_tables_tuple(table, node->heap);

	ins_node_set_new_row(node->tab_def, row);

	return(DB_SUCCESS);
}
示例#2
0
/***************************************************************//**
Builds a table definition to insert.
@return	DB_SUCCESS or error code */
static
ulint
dict_build_table_def_step(
    /*======================*/
    que_thr_t*	thr,	/*!< in: query thread */
    tab_node_t*	node)	/*!< in: table create node */
{
    dict_table_t*	table;
    dtuple_t*	row;
    ulint		error;
    ulint		flags;
    const char*	path_or_name;
    ibool		is_path;
    mtr_t		mtr;
    ulint		space = 0;
    ibool		file_per_table;

    ut_ad(mutex_own(&(dict_sys->mutex)));

    table = node->table;

    /* Cache the global variable "srv_file_per_table" to
    a local variable before using it. Please note
    "srv_file_per_table" is not under dict_sys mutex
    protection, and could be changed while executing
    this function. So better to cache the current value
    to a local variable, and all future reference to
    "srv_file_per_table" should use this local variable. */
    file_per_table = srv_file_per_table;

    dict_hdr_get_new_id(&table->id, NULL, NULL);

    thr_get_trx(thr)->table_id = table->id;

    if (file_per_table) {
        /* Get a new space id if srv_file_per_table is set */
        dict_hdr_get_new_id(NULL, NULL, &space);

        if (UNIV_UNLIKELY(space == ULINT_UNDEFINED)) {
            return(DB_ERROR);
        }

        /* We create a new single-table tablespace for the table.
        We initially let it be 4 pages:
        - page 0 is the fsp header and an extent descriptor page,
        - page 1 is an ibuf bitmap page,
        - page 2 is the first inode page,
        - page 3 will contain the root of the clustered index of the
        table we create here. */

        if (table->dir_path_of_temp_table) {
            /* We place tables created with CREATE TEMPORARY
            TABLE in the tmp dir of mysqld server */

            path_or_name = table->dir_path_of_temp_table;
            is_path = TRUE;
        } else {
            path_or_name = table->name;
            is_path = FALSE;
        }

        ut_ad(dict_table_get_format(table) <= DICT_TF_FORMAT_MAX);
        ut_ad(!dict_table_zip_size(table)
              || dict_table_get_format(table) >= DICT_TF_FORMAT_ZIP);

        flags = table->flags & ~(~0 << DICT_TF_BITS);
        error = fil_create_new_single_table_tablespace(
                    space, path_or_name, is_path,
                    flags == DICT_TF_COMPACT ? 0 : flags,
                    FIL_IBD_FILE_INITIAL_SIZE);
        table->space = (unsigned int) space;

        if (error != DB_SUCCESS) {

            return(error);
        }

        mtr_start(&mtr);

        fsp_header_init(table->space, FIL_IBD_FILE_INITIAL_SIZE, &mtr);

        mtr_commit(&mtr);
    } else {
        /* Create in the system tablespace: disallow new features */
        table->flags &= (~0 << DICT_TF_BITS) | DICT_TF_COMPACT;
    }

    row = dict_create_sys_tables_tuple(table, node->heap);

    ins_node_set_new_row(node->tab_def, row);

    return(DB_SUCCESS);
}