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layout as we always had in trees containing only the builtin 2) win\configure.js WITH_INNOBASE_STORAGE_ENGINE still works. storage/innobase/CMakeLists.txt: fix to new directory name (and like 5.1) storage/innobase/Makefile.am: fix to new directory name (and like 5.1) storage/innobase/handler/ha_innodb.cc: fix to new directory name (and like 5.1) storage/innobase/plug.in: fix to new directory name (and like 5.1)
120 lines
3.4 KiB
Text
120 lines
3.4 KiB
Text
/*****************************************************************************
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Copyright (c) 1996, 2009, Innobase Oy. All Rights Reserved.
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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/**************************************************//**
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@file include/row0row.ic
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General row routines
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Created 4/20/1996 Heikki Tuuri
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*******************************************************/
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#include "dict0dict.h"
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#include "rem0rec.h"
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#include "trx0undo.h"
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/*********************************************************************//**
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Reads the trx id field from a clustered index record.
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@return value of the field */
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UNIV_INLINE
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trx_id_t
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row_get_rec_trx_id(
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/*===============*/
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const rec_t* rec, /*!< in: record */
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dict_index_t* index, /*!< in: clustered index */
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const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */
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{
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ulint offset;
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ut_ad(dict_index_is_clust(index));
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ut_ad(rec_offs_validate(rec, index, offsets));
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offset = index->trx_id_offset;
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if (!offset) {
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offset = row_get_trx_id_offset(rec, index, offsets);
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}
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return(trx_read_trx_id(rec + offset));
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}
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/*********************************************************************//**
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Reads the roll pointer field from a clustered index record.
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@return value of the field */
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UNIV_INLINE
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roll_ptr_t
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row_get_rec_roll_ptr(
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/*=================*/
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const rec_t* rec, /*!< in: record */
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dict_index_t* index, /*!< in: clustered index */
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const ulint* offsets)/*!< in: rec_get_offsets(rec, index) */
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{
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ulint offset;
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ut_ad(dict_index_is_clust(index));
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ut_ad(rec_offs_validate(rec, index, offsets));
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offset = index->trx_id_offset;
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if (!offset) {
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offset = row_get_trx_id_offset(rec, index, offsets);
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}
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return(trx_read_roll_ptr(rec + offset + DATA_TRX_ID_LEN));
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}
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/*******************************************************************//**
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Builds from a secondary index record a row reference with which we can
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search the clustered index record. */
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UNIV_INLINE
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void
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row_build_row_ref_fast(
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/*===================*/
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dtuple_t* ref, /*!< in/out: typed data tuple where the
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reference is built */
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const ulint* map, /*!< in: array of field numbers in rec
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telling how ref should be built from
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the fields of rec */
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const rec_t* rec, /*!< in: record in the index; must be
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preserved while ref is used, as we do
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not copy field values to heap */
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const ulint* offsets)/*!< in: array returned by rec_get_offsets() */
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{
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dfield_t* dfield;
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const byte* field;
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ulint len;
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ulint ref_len;
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ulint field_no;
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ulint i;
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ut_ad(rec_offs_validate(rec, NULL, offsets));
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ut_ad(!rec_offs_any_extern(offsets));
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ref_len = dtuple_get_n_fields(ref);
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for (i = 0; i < ref_len; i++) {
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dfield = dtuple_get_nth_field(ref, i);
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field_no = *(map + i);
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if (field_no != ULINT_UNDEFINED) {
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field = rec_get_nth_field(rec, offsets,
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field_no, &len);
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dfield_set_data(dfield, field, len);
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}
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}
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}
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