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Overview
Comment:Fix a memory leak in multi-database commit. Also enhance a comment that explains why a particular valgrind error is harmless. (CVS 3771)
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 28c7ed1eb799203a569cdae97da974b347f39579
User & Date: drh 2007-03-30 18:42:56
Context
2007-03-30
20:40
Fix a memory leak that occurs after a malloc failure in trigger parsing. (CVS 3772) check-in: 407a85e6 user: drh tags: trunk
18:42
Fix a memory leak in multi-database commit. Also enhance a comment that explains why a particular valgrind error is harmless. (CVS 3771) check-in: 28c7ed1e user: drh tags: trunk
18:21
Coverage testing for a few lines in pager.c. (CVS 3770) check-in: c1aca18f user: danielk1977 tags: trunk
Changes
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Changes to src/vdbe.c.

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**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.597 2007/03/30 11:23:45 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
    rc = sqlite3BtreeMoveto(pCrsr, 0, iKey, 0,&res);
    pC->lastRowid = pTos->u.i;
    pC->rowidIsValid = res==0;
    pC->nullRow = 0;
    pC->cacheStatus = CACHE_STALE;
    /* res might be uninitialized if rc!=SQLITE_OK.  But if rc!=SQLITE_OK
    ** processing is about to abort so we really do not care whether or not
    ** the following jump is taken. */


    if( res!=0 ){
      pc = pOp->p2 - 1;
      pC->rowidIsValid = 0;
    }
  }
  Release(pTos);
  pTos--;







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**
** Various scripts scan this source file in order to generate HTML
** documentation, headers files, or other derived files.  The formatting
** of the code in this file is, therefore, important.  See other comments
** in this file for details.  If in doubt, do not deviate from existing
** commenting and indentation practices when changing or adding code.
**
** $Id: vdbe.c,v 1.598 2007/03/30 18:42:56 drh Exp $
*/
#include "sqliteInt.h"
#include "os.h"
#include <ctype.h>
#include "vdbeInt.h"

/*
................................................................................
    rc = sqlite3BtreeMoveto(pCrsr, 0, iKey, 0,&res);
    pC->lastRowid = pTos->u.i;
    pC->rowidIsValid = res==0;
    pC->nullRow = 0;
    pC->cacheStatus = CACHE_STALE;
    /* res might be uninitialized if rc!=SQLITE_OK.  But if rc!=SQLITE_OK
    ** processing is about to abort so we really do not care whether or not
    ** the following jump is taken.  (In other words, do not stress over
    ** the error that valgrind sometimes shows on the next statement when
    ** running ioerr.test and similar failure-recovery test scripts.) */
    if( res!=0 ){
      pc = pOp->p2 - 1;
      pC->rowidIsValid = 0;
    }
  }
  Release(pTos);
  pTos--;

Changes to src/vdbeaux.c.

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    }

    /* Delete the master journal file. This commits the transaction. After
    ** doing this the directory is synced again before any individual
    ** transaction files are deleted.
    */
    rc = sqlite3OsDelete(zMaster);


    if( rc ){
      return rc;
    }
    sqliteFree(zMaster);
    zMaster = 0;
    rc = sqlite3OsSyncDirectory(zMainFile);
    if( rc!=SQLITE_OK ){
      /* This is not good. The master journal file has been deleted, but
      ** the directory sync failed. There is no completely safe course of
      ** action from here. The individual journals contain the name of the
      ** master journal file, but there is no way of knowing if that
      ** master journal exists now or if it will exist after the operating







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    }

    /* Delete the master journal file. This commits the transaction. After
    ** doing this the directory is synced again before any individual
    ** transaction files are deleted.
    */
    rc = sqlite3OsDelete(zMaster);
    sqliteFree(zMaster);
    zMaster = 0;
    if( rc ){
      return rc;
    }


    rc = sqlite3OsSyncDirectory(zMainFile);
    if( rc!=SQLITE_OK ){
      /* This is not good. The master journal file has been deleted, but
      ** the directory sync failed. There is no completely safe course of
      ** action from here. The individual journals contain the name of the
      ** master journal file, but there is no way of knowing if that
      ** master journal exists now or if it will exist after the operating