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/*****************************************************************************
Copyright (c) 1996, 2009, Innobase Oy. 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., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA
*****************************************************************************/
/******************************************************************//**
@file include/dict0mem.ic
Data dictionary memory object creation
Created 1/8/1996 Heikki Tuuri
***********************************************************************/
#include "data0type.h"
#include "dict0mem.h"
#include "fil0fil.h"
/**********************************************************************//**
This function poplulates a dict_index_t index memory structure with
supplied information. */
UNIV_INLINE
void
dict_mem_fill_index_struct(
/*=======================*/
dict_index_t* index, /*!< out: index to be filled */
mem_heap_t* heap, /*!< in: memory heap */
const char* table_name, /*!< in: table name */
const char* index_name, /*!< in: index name */
ulint space, /*!< in: space where the index tree is
placed, ignored if the index is of
the clustered type */
ulint type, /*!< in: DICT_UNIQUE,
DICT_CLUSTERED, ... ORed */
ulint n_fields) /*!< in: number of fields */
{
if (heap) {
index->heap = heap;
index->name = mem_heap_strdup(heap, index_name);
index->fields = (dict_field_t*) mem_heap_alloc(
heap, 1 + n_fields * sizeof(dict_field_t));
} else {
index->name = index_name;
index->heap = NULL;
index->fields = NULL;
}
index->type = type;
#ifndef UNIV_HOTBACKUP
index->space = (unsigned int) space;
index->page = FIL_NULL;
#endif /* !UNIV_HOTBACKUP */
index->table_name = table_name;
index->n_fields = (unsigned int) n_fields;
/* The '1 +' above prevents allocation
of an empty mem block */
#ifdef UNIV_DEBUG
index->magic_n = DICT_INDEX_MAGIC_N;
#endif /* UNIV_DEBUG */
}
/**********************************************************************//**
This function poplulates a dict_col_t memory structure with
supplied information. */
UNIV_INLINE
void
dict_mem_fill_column_struct(
/*========================*/
dict_col_t* column, /*!< out: column struct to be
filled */
ulint col_pos, /*!< in: column position */
ulint mtype, /*!< in: main data type */
ulint prtype, /*!< in: precise type */
ulint col_len) /*!< in: column lenght */
{
#ifndef UNIV_HOTBACKUP
ulint mbminlen;
ulint mbmaxlen;
#endif /* !UNIV_HOTBACKUP */
column->ind = (unsigned int) col_pos;
column->ord_part = 0;
column->mtype = (unsigned int) mtype;
column->prtype = (unsigned int) prtype;
column->len = (unsigned int) col_len;
#ifndef UNIV_HOTBACKUP
dtype_get_mblen(mtype, prtype, &mbminlen, &mbmaxlen);
column->mbminlen = (unsigned int) mbminlen;
column->mbmaxlen = (unsigned int) mbmaxlen;
#endif /* !UNIV_HOTBACKUP */
}
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