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Viewing changes to storage/innobase/row/row0undo.c

  • Committer: Monty Taylor
  • Date: 2008-09-15 17:24:04 UTC
  • Revision ID: monty@inaugust.com-20080915172404-ygh6hiyu0q7qpa9x
Removed strndup calls.

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storage/innobase/row/row0undo.c
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#include "row0row.h"
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#include "row0uins.h"
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#include "row0umod.h"
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#include "row0upd.h"
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#include "row0mysql.h"
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#include "srv0srv.h"
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/************************************************************************
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Creates a row undo node to a query graph. */
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UNIV_INTERN
 
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undo_node_t*
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row_undo_node_create(
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/*=================*/
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The pcur in node is used in the search. If found, stores the row to node,
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and stores the position of pcur, and detaches it. The pcur must be closed
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by the caller in any case. */
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UNIV_INTERN
 
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ibool
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row_undo_search_clust_to_pcur(
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/*==========================*/
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        mem_heap_t*     heap            = NULL;
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        ulint           offsets_[REC_OFFS_NORMAL_SIZE];
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        ulint*          offsets         = offsets_;
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        rec_offs_init(offsets_);
 
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        *offsets_ = (sizeof offsets_) / sizeof *offsets_;
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        mtr_start(&mtr);
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                ret = FALSE;
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        } else {
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                node->row = row_build(ROW_COPY_DATA, clust_index, rec,
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                                      offsets, NULL, &node->ext, node->heap);
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                if (node->update) {
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                        node->undo_row = dtuple_copy(node->row, node->heap);
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                        row_upd_replace(node->undo_row, &node->undo_ext,
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                                        clust_index, node->update, node->heap);
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                } else {
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                        node->undo_row = NULL;
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                        node->undo_ext = NULL;
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                }
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                                      offsets, node->heap);
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                btr_pcur_store_position(&(node->pcur), &mtr);
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                ret = TRUE;
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/***************************************************************
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Undoes a row operation in a table. This is a high-level function used
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in SQL execution graphs. */
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UNIV_INTERN
 
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que_thr_t*
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row_undo_step(
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/*==========*/