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Overview
Comment:Merge all the latest core changes into the sessions branch.
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | sessions
Files: files | file ages | folders
SHA1: 76767d651fe733614b1719aef9ad5ed4568234e4
User & Date: drh 2012-10-15 14:25:16.488
Context
2012-10-30
21:03
Pull all the latest trunk enhancements into the sessions branch. (check-in: fce667f2d9 user: drh tags: sessions)
2012-10-15
14:25
Merge all the latest core changes into the sessions branch. (check-in: 76767d651f user: drh tags: sessions)
11:28
Fix a failing assert() in wal.c. (check-in: 8745530b9a user: dan tags: trunk)
2012-10-09
14:58
Merge the latest trunk changes, especially the ORDER BY optimizer enhancements but also other fixes, onto the sessions branch. (check-in: f1fbb8c5bf user: drh tags: sessions)
Changes
Unified Diff Ignore Whitespace Patch
Changes to Makefile.msc.
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#
# nmake Makefile for SQLite
#

# The toplevel directory of the source tree.  This is the directory
# that contains this "Makefile.msc".
#
TOP = .

# Set this non-0 to create and use the SQLite amalgamation file.
#

USE_AMALGAMATION = 1


# Set this non-0 to use the International Components for Unicode (ICU).
#

USE_ICU = 0


# Set this non-0 to dynamically link to the MSVC runtime library.
#

USE_CRT_DLL = 0


# Set this non-0 to attempt setting the native compiler automatically
# for cross-compiling the command line tools needed during the compilation
# process.
#

XCOMPILE = 0


# Set this non-0 to use the native libraries paths for cross-compiling
# the command line tools needed during the compilation process.
#

USE_NATIVE_LIBPATHS = 0


# Set this 0 to skip the compiling and embedding of version resources.
#

USE_RC = 1


# Set this non-0 to compile binaries suitable for the WinRT environment.
# This setting does not apply to any binaries that require Tcl to operate
# properly (i.e. the text fixture, etc).
#

FOR_WINRT = 0


# Set this non-0 to skip attempting to look for and/or link with the Tcl
# runtime library.
#

NO_TCL = 0


# Set this to non-0 to create and use PDBs.
#

SYMBOLS = 1


# Set this to non-0 to use the SQLite debugging heap subsystem.
#

MEMDEBUG = 0


# Set this to non-0 to use the Win32 native heap subsystem.
#

WIN32HEAP = 0


# Set this to one of the following values to enable various debugging
# features.  Each level includes the debugging options from the previous
# levels.  Currently, the recognized values for DEBUG are:
#
# 0 == NDEBUG: Disables assert() and other runtime diagnostics.
# 1 == Disables NDEBUG and all optimizations and then enables PDBs.
# 2 == SQLITE_DEBUG: Enables various diagnostics messages and code.
# 3 == SQLITE_WIN32_MALLOC_VALIDATE: Validate the Win32 native heap per call.
# 4 == SQLITE_DEBUG_OS_TRACE: Enables output from the OSTRACE() macros.
# 5 == SQLITE_ENABLE_IOTRACE: Enables output from the IOTRACE() macros.
#

DEBUG = 0


# Check for the predefined command macro CC.  This should point to the compiler
# binary for the target platform.  If it is not defined, simply define it to
# the legacy default value 'cl.exe'.
#
!IFNDEF CC
CC = cl.exe











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#
# nmake Makefile for SQLite
#

# The toplevel directory of the source tree.  This is the directory
# that contains this "Makefile.msc".
#
TOP = .

# Set this non-0 to create and use the SQLite amalgamation file.
#
!IFNDEF USE_AMALGAMATION
USE_AMALGAMATION = 1
!ENDIF

# Set this non-0 to use the International Components for Unicode (ICU).
#
!IFNDEF USE_ICU
USE_ICU = 0
!ENDIF

# Set this non-0 to dynamically link to the MSVC runtime library.
#
!IFNDEF USE_CRT_DLL
USE_CRT_DLL = 0
!ENDIF

# Set this non-0 to attempt setting the native compiler automatically
# for cross-compiling the command line tools needed during the compilation
# process.
#
!IFNDEF XCOMPILE
XCOMPILE = 0
!ENDIF

# Set this non-0 to use the native libraries paths for cross-compiling
# the command line tools needed during the compilation process.
#
!IFNDEF USE_NATIVE_LIBPATHS
USE_NATIVE_LIBPATHS = 0
!ENDIF

# Set this 0 to skip the compiling and embedding of version resources.
#
!IFNDEF USE_RC
USE_RC = 1
!ENDIF

# Set this non-0 to compile binaries suitable for the WinRT environment.
# This setting does not apply to any binaries that require Tcl to operate
# properly (i.e. the text fixture, etc).
#
!IFNDEF FOR_WINRT
FOR_WINRT = 0
!ENDIF

# Set this non-0 to skip attempting to look for and/or link with the Tcl
# runtime library.
#
!IFNDEF NO_TCL
NO_TCL = 0
!ENDIF

# Set this to non-0 to create and use PDBs.
#
!IFNDEF SYMBOLS
SYMBOLS = 1
!ENDIF

# Set this to non-0 to use the SQLite debugging heap subsystem.
#
!IFNDEF MEMDEBUG
MEMDEBUG = 0
!ENDIF

# Set this to non-0 to use the Win32 native heap subsystem.
#
!IFNDEF WIN32HEAP
WIN32HEAP = 0
!ENDIF

# Set this to one of the following values to enable various debugging
# features.  Each level includes the debugging options from the previous
# levels.  Currently, the recognized values for DEBUG are:
#
# 0 == NDEBUG: Disables assert() and other runtime diagnostics.
# 1 == Disables NDEBUG and all optimizations and then enables PDBs.
# 2 == SQLITE_DEBUG: Enables various diagnostics messages and code.
# 3 == SQLITE_WIN32_MALLOC_VALIDATE: Validate the Win32 native heap per call.
# 4 == SQLITE_DEBUG_OS_TRACE: Enables output from the OSTRACE() macros.
# 5 == SQLITE_ENABLE_IOTRACE: Enables output from the IOTRACE() macros.
#
!IFNDEF DEBUG
DEBUG = 0
!ENDIF

# Check for the predefined command macro CC.  This should point to the compiler
# binary for the target platform.  If it is not defined, simply define it to
# the legacy default value 'cl.exe'.
#
!IFNDEF CC
CC = cl.exe
Changes to src/backup.c.
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    /* Update the schema version field in the destination database. This
    ** is to make sure that the schema-version really does change in
    ** the case where the source and destination databases have the
    ** same schema version.
    */
    if( rc==SQLITE_DONE ){





      rc = sqlite3BtreeUpdateMeta(p->pDest,1,p->iDestSchema+1);

      if( rc==SQLITE_OK ){
        if( p->pDestDb ){
          sqlite3ResetAllSchemasOfConnection(p->pDestDb);
        }
        if( destMode==PAGER_JOURNALMODE_WAL ){
          rc = sqlite3BtreeSetVersion(p->pDest, 2);
        }







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    /* Update the schema version field in the destination database. This
    ** is to make sure that the schema-version really does change in
    ** the case where the source and destination databases have the
    ** same schema version.
    */
    if( rc==SQLITE_DONE ){
      if( nSrcPage==0 ){
        rc = sqlite3BtreeNewDb(p->pDest);
        nSrcPage = 1;
      }
      if( rc==SQLITE_OK || rc==SQLITE_DONE ){
        rc = sqlite3BtreeUpdateMeta(p->pDest,1,p->iDestSchema+1);
      }
      if( rc==SQLITE_OK ){
        if( p->pDestDb ){
          sqlite3ResetAllSchemasOfConnection(p->pDestDb);
        }
        if( destMode==PAGER_JOURNALMODE_WAL ){
          rc = sqlite3BtreeSetVersion(p->pDest, 2);
        }
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          nDestTruncate = (nSrcPage+ratio-1)/ratio;
          if( nDestTruncate==(int)PENDING_BYTE_PAGE(p->pDest->pBt) ){
            nDestTruncate--;
          }
        }else{
          nDestTruncate = nSrcPage * (pgszSrc/pgszDest);
        }

        sqlite3PagerTruncateImage(pDestPager, nDestTruncate);

        if( pgszSrc<pgszDest ){
          /* If the source page-size is smaller than the destination page-size,
          ** two extra things may need to happen:
          **
          **   * The destination may need to be truncated, and
          **
          **   * Data stored on the pages immediately following the 
          **     pending-byte page in the source database may need to be
          **     copied into the destination database.
          */
          const i64 iSize = (i64)pgszSrc * (i64)nSrcPage;
          sqlite3_file * const pFile = sqlite3PagerFile(pDestPager);
          i64 iOff;
          i64 iEnd;

          assert( pFile );

          assert( (i64)nDestTruncate*(i64)pgszDest >= iSize || (
                nDestTruncate==(int)(PENDING_BYTE_PAGE(p->pDest->pBt)-1)
             && iSize>=PENDING_BYTE && iSize<=PENDING_BYTE+pgszDest
          ));

          /* This call ensures that all data required to recreate the original
          ** database has been stored in the journal for pDestPager and the
          ** journal synced to disk. So at this point we may safely modify







>


















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          nDestTruncate = (nSrcPage+ratio-1)/ratio;
          if( nDestTruncate==(int)PENDING_BYTE_PAGE(p->pDest->pBt) ){
            nDestTruncate--;
          }
        }else{
          nDestTruncate = nSrcPage * (pgszSrc/pgszDest);
        }
        assert( nDestTruncate>0 );
        sqlite3PagerTruncateImage(pDestPager, nDestTruncate);

        if( pgszSrc<pgszDest ){
          /* If the source page-size is smaller than the destination page-size,
          ** two extra things may need to happen:
          **
          **   * The destination may need to be truncated, and
          **
          **   * Data stored on the pages immediately following the 
          **     pending-byte page in the source database may need to be
          **     copied into the destination database.
          */
          const i64 iSize = (i64)pgszSrc * (i64)nSrcPage;
          sqlite3_file * const pFile = sqlite3PagerFile(pDestPager);
          i64 iOff;
          i64 iEnd;

          assert( pFile );
          assert( nDestTruncate==0 
              || (i64)nDestTruncate*(i64)pgszDest >= iSize || (
                nDestTruncate==(int)(PENDING_BYTE_PAGE(p->pDest->pBt)-1)
             && iSize>=PENDING_BYTE && iSize<=PENDING_BYTE+pgszDest
          ));

          /* This call ensures that all data required to recreate the original
          ** database has been stored in the journal for pDestPager and the
          ** journal synced to disk. So at this point we may safely modify
Changes to src/btree.c.
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  put4byte(&data[36 + 4*4], pBt->autoVacuum);
  put4byte(&data[36 + 7*4], pBt->incrVacuum);
#endif
  pBt->nPage = 1;
  data[31] = 1;
  return SQLITE_OK;
}















/*
** Attempt to start a new transaction. A write-transaction
** is started if the second argument is nonzero, otherwise a read-
** transaction.  If the second argument is 2 or more and exclusive
** transaction is started, meaning that no other process is allowed
** to access the database.  A preexisting transaction may not be







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  put4byte(&data[36 + 4*4], pBt->autoVacuum);
  put4byte(&data[36 + 7*4], pBt->incrVacuum);
#endif
  pBt->nPage = 1;
  data[31] = 1;
  return SQLITE_OK;
}

/*
** Initialize the first page of the database file (creating a database
** consisting of a single page and no schema objects). Return SQLITE_OK
** if successful, or an SQLite error code otherwise.
*/
int sqlite3BtreeNewDb(Btree *p){
  int rc;
  sqlite3BtreeEnter(p);
  p->pBt->nPage = 0;
  rc = newDatabase(p->pBt);
  sqlite3BtreeLeave(p);
  return rc;
}

/*
** Attempt to start a new transaction. A write-transaction
** is started if the second argument is nonzero, otherwise a read-
** transaction.  If the second argument is 2 or more and exclusive
** transaction is started, meaning that no other process is allowed
** to access the database.  A preexisting transaction may not be
Changes to src/btree.h.
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int sqlite3BtreeDropTable(Btree*, int, int*);
int sqlite3BtreeClearTable(Btree*, int, int*);
void sqlite3BtreeTripAllCursors(Btree*, int);

void sqlite3BtreeGetMeta(Btree *pBtree, int idx, u32 *pValue);
int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);



/*
** The second parameter to sqlite3BtreeGetMeta or sqlite3BtreeUpdateMeta
** should be one of the following values. The integer values are assigned 
** to constants so that the offset of the corresponding field in an
** SQLite database header may be found using the following formula:
**







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int sqlite3BtreeDropTable(Btree*, int, int*);
int sqlite3BtreeClearTable(Btree*, int, int*);
void sqlite3BtreeTripAllCursors(Btree*, int);

void sqlite3BtreeGetMeta(Btree *pBtree, int idx, u32 *pValue);
int sqlite3BtreeUpdateMeta(Btree*, int idx, u32 value);

int sqlite3BtreeNewDb(Btree *p);

/*
** The second parameter to sqlite3BtreeGetMeta or sqlite3BtreeUpdateMeta
** should be one of the following values. The integer values are assigned 
** to constants so that the offset of the corresponding field in an
** SQLite database header may be found using the following formula:
**
Changes to src/build.c.
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        iLargest = iIdx;
      }
    }
    if( iLargest==0 ){
      return;
    }else{
      int iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema);

      destroyRootPage(pParse, iLargest, iDb);
      iDestroyed = iLargest;
    }
  }
#endif
}








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        iLargest = iIdx;
      }
    }
    if( iLargest==0 ){
      return;
    }else{
      int iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema);
      assert( iDb>=0 && iDb<pParse->db->nDb );
      destroyRootPage(pParse, iLargest, iDb);
      iDestroyed = iLargest;
    }
  }
#endif
}

Changes to src/lempar.c.
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  **  #line <lineno> <grammarfile>
  **     { ... }           // User supplied code
  **  #line <lineno> <thisfile>
  **     break;
  */
%%
  };

  yygoto = yyRuleInfo[yyruleno].lhs;
  yysize = yyRuleInfo[yyruleno].nrhs;
  yypParser->yyidx -= yysize;
  yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto);
  if( yyact < YYNSTATE ){
#ifdef NDEBUG
    /* If we are not debugging and the reduce action popped at least







>







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  **  #line <lineno> <grammarfile>
  **     { ... }           // User supplied code
  **  #line <lineno> <thisfile>
  **     break;
  */
%%
  };
  assert( yyruleno>=0 && yyruleno<sizeof(yyRuleInfo)/sizeof(yyRuleInfo[0]) );
  yygoto = yyRuleInfo[yyruleno].lhs;
  yysize = yyRuleInfo[yyruleno].nrhs;
  yypParser->yyidx -= yysize;
  yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto);
  if( yyact < YYNSTATE ){
#ifdef NDEBUG
    /* If we are not debugging and the reduce action popped at least
Changes to src/os_unix.c.
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  return SQLITE_OK;
}

/*
** Close a file.  Make sure the lock has been released before closing.
*/
static int dotlockClose(sqlite3_file *id) {
  int rc;
  if( id ){
    unixFile *pFile = (unixFile*)id;
    dotlockUnlock(id, NO_LOCK);
    sqlite3_free(pFile->lockingContext);
  }
  rc = closeUnixFile(id);

  return rc;
}
/****************** End of the dot-file lock implementation *******************
******************************************************************************/

/******************************************************************************
************************** Begin flock Locking ********************************







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  return SQLITE_OK;
}

/*
** Close a file.  Make sure the lock has been released before closing.
*/
static int dotlockClose(sqlite3_file *id) {
  int rc = SQLITE_OK;
  if( id ){
    unixFile *pFile = (unixFile*)id;
    dotlockUnlock(id, NO_LOCK);
    sqlite3_free(pFile->lockingContext);

    rc = closeUnixFile(id);
  }
  return rc;
}
/****************** End of the dot-file lock implementation *******************
******************************************************************************/

/******************************************************************************
************************** Begin flock Locking ********************************
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  }
}

/*
** Close a file.
*/
static int flockClose(sqlite3_file *id) {

  if( id ){
    flockUnlock(id, NO_LOCK);

  }
  return closeUnixFile(id);
}

#endif /* SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORK */

/******************* End of the flock lock implementation *********************
******************************************************************************/








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  }
}

/*
** Close a file.
*/
static int flockClose(sqlite3_file *id) {
  int rc = SQLITE_OK;
  if( id ){
    flockUnlock(id, NO_LOCK);
    rc = closeUnixFile(id);
  }
  return rc;
}

#endif /* SQLITE_ENABLE_LOCKING_STYLE && !OS_VXWORK */

/******************* End of the flock lock implementation *********************
******************************************************************************/

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    }
    pShmNode->apRegion = apNew;
    while(pShmNode->nRegion<=iRegion){
      void *pMem;
      if( pShmNode->h>=0 ){
        pMem = mmap(0, szRegion,
            pShmNode->isReadonly ? PROT_READ : PROT_READ|PROT_WRITE, 
            MAP_SHARED, pShmNode->h, pShmNode->nRegion*szRegion
        );
        if( pMem==MAP_FAILED ){
          rc = unixLogError(SQLITE_IOERR_SHMMAP, "mmap", pShmNode->zFilename);
          goto shmpage_out;
        }
      }else{
        pMem = sqlite3_malloc(szRegion);







|







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    }
    pShmNode->apRegion = apNew;
    while(pShmNode->nRegion<=iRegion){
      void *pMem;
      if( pShmNode->h>=0 ){
        pMem = mmap(0, szRegion,
            pShmNode->isReadonly ? PROT_READ : PROT_READ|PROT_WRITE, 
            MAP_SHARED, pShmNode->h, szRegion*(i64)pShmNode->nRegion
        );
        if( pMem==MAP_FAILED ){
          rc = unixLogError(SQLITE_IOERR_SHMMAP, "mmap", pShmNode->zFilename);
          goto shmpage_out;
        }
      }else{
        pMem = sqlite3_malloc(szRegion);
Changes to src/pager.c.
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# define DIRECT_MODE 0
  assert( isDirectMode==0 );
  UNUSED_PARAMETER(isDirectMode);
#else
# define DIRECT_MODE isDirectMode
#endif

  if( !pPager->changeCountDone && pPager->dbSize>0 ){
    PgHdr *pPgHdr;                /* Reference to page 1 */

    assert( !pPager->tempFile && isOpen(pPager->fd) );

    /* Open page 1 of the file for writing. */
    rc = sqlite3PagerGet(pPager, 1, &pPgHdr);
    assert( pPgHdr==0 || rc==SQLITE_OK );







|







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# define DIRECT_MODE 0
  assert( isDirectMode==0 );
  UNUSED_PARAMETER(isDirectMode);
#else
# define DIRECT_MODE isDirectMode
#endif

  if( !pPager->changeCountDone && ALWAYS(pPager->dbSize>0) ){
    PgHdr *pPgHdr;                /* Reference to page 1 */

    assert( !pPager->tempFile && isOpen(pPager->fd) );

    /* Open page 1 of the file for writing. */
    rc = sqlite3PagerGet(pPager, 1, &pPgHdr);
    assert( pPgHdr==0 || rc==SQLITE_OK );
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                           pPager->pageSize, (u8*)pPager->pTmpSpace);
      pPager->pWal = 0;
    }
  }
  return rc;
}



#ifdef SQLITE_ENABLE_ZIPVFS
/*
** A read-lock must be held on the pager when this function is called. If
** the pager is in WAL mode and the WAL file currently contains one or more
** frames, return the size in bytes of the page images stored within the
** WAL frames. Otherwise, if this is not a WAL database or the WAL file
** is empty, return 0.







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                           pPager->pageSize, (u8*)pPager->pTmpSpace);
      pPager->pWal = 0;
    }
  }
  return rc;
}

#endif /* !SQLITE_OMIT_WAL */

#ifdef SQLITE_ENABLE_ZIPVFS
/*
** A read-lock must be held on the pager when this function is called. If
** the pager is in WAL mode and the WAL file currently contains one or more
** frames, return the size in bytes of the page images stored within the
** WAL frames. Otherwise, if this is not a WAL database or the WAL file
** is empty, return 0.
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void *sqlite3PagerCodec(PgHdr *pPg){
  void *aData = 0;
  CODEC2(pPg->pPager, pPg->pData, pPg->pgno, 6, return 0, aData);
  return aData;
}
#endif /* SQLITE_HAS_CODEC */

#endif /* !SQLITE_OMIT_WAL */

#endif /* SQLITE_OMIT_DISKIO */







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6950
void *sqlite3PagerCodec(PgHdr *pPg){
  void *aData = 0;
  CODEC2(pPg->pPager, pPg->pData, pPg->pgno, 6, return 0, aData);
  return aData;
}
#endif /* SQLITE_HAS_CODEC */



#endif /* SQLITE_OMIT_DISKIO */
Changes to src/pager.h.
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int sqlite3PagerSync(Pager *pPager);
int sqlite3PagerCommitPhaseTwo(Pager*);
int sqlite3PagerRollback(Pager*);
int sqlite3PagerOpenSavepoint(Pager *pPager, int n);
int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint);
int sqlite3PagerSharedLock(Pager *pPager);


int sqlite3PagerCheckpoint(Pager *pPager, int, int*, int*);
int sqlite3PagerWalSupported(Pager *pPager);
int sqlite3PagerWalCallback(Pager *pPager);
int sqlite3PagerOpenWal(Pager *pPager, int *pisOpen);
int sqlite3PagerCloseWal(Pager *pPager);


#ifdef SQLITE_ENABLE_ZIPVFS
  int sqlite3PagerWalFramesize(Pager *pPager);
#endif

/* Functions used to query pager state and configuration. */
u8 sqlite3PagerIsreadonly(Pager*);
int sqlite3PagerRefcount(Pager*);







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int sqlite3PagerSync(Pager *pPager);
int sqlite3PagerCommitPhaseTwo(Pager*);
int sqlite3PagerRollback(Pager*);
int sqlite3PagerOpenSavepoint(Pager *pPager, int n);
int sqlite3PagerSavepoint(Pager *pPager, int op, int iSavepoint);
int sqlite3PagerSharedLock(Pager *pPager);

#ifndef SQLITE_OMIT_WAL
  int sqlite3PagerCheckpoint(Pager *pPager, int, int*, int*);
  int sqlite3PagerWalSupported(Pager *pPager);
  int sqlite3PagerWalCallback(Pager *pPager);
  int sqlite3PagerOpenWal(Pager *pPager, int *pisOpen);
  int sqlite3PagerCloseWal(Pager *pPager);
#endif

#ifdef SQLITE_ENABLE_ZIPVFS
  int sqlite3PagerWalFramesize(Pager *pPager);
#endif

/* Functions used to query pager state and configuration. */
u8 sqlite3PagerIsreadonly(Pager*);
int sqlite3PagerRefcount(Pager*);
Changes to src/pragma.c.
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    int i;
    sqlite3VdbeSetNumCols(v, 2);
    pParse->nMem = 2;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "database", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "status", SQLITE_STATIC);
    for(i=0; i<db->nDb; i++){
      Btree *pBt;
      Pager *pPager;
      const char *zState = "unknown";
      int j;
      if( db->aDb[i].zName==0 ) continue;
      sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, db->aDb[i].zName, P4_STATIC);
      pBt = db->aDb[i].pBt;
      if( pBt==0 || (pPager = sqlite3BtreePager(pBt))==0 ){
        zState = "closed";
      }else if( sqlite3_file_control(db, i ? db->aDb[i].zName : 0, 
                                     SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){
         zState = azLockName[j];
      }
      sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, zState, P4_STATIC);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);







<





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    int i;
    sqlite3VdbeSetNumCols(v, 2);
    pParse->nMem = 2;
    sqlite3VdbeSetColName(v, 0, COLNAME_NAME, "database", SQLITE_STATIC);
    sqlite3VdbeSetColName(v, 1, COLNAME_NAME, "status", SQLITE_STATIC);
    for(i=0; i<db->nDb; i++){
      Btree *pBt;

      const char *zState = "unknown";
      int j;
      if( db->aDb[i].zName==0 ) continue;
      sqlite3VdbeAddOp4(v, OP_String8, 0, 1, 0, db->aDb[i].zName, P4_STATIC);
      pBt = db->aDb[i].pBt;
      if( pBt==0 || sqlite3BtreePager(pBt)==0 ){
        zState = "closed";
      }else if( sqlite3_file_control(db, i ? db->aDb[i].zName : 0, 
                                     SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){
         zState = azLockName[j];
      }
      sqlite3VdbeAddOp4(v, OP_String8, 0, 2, 0, zState, P4_STATIC);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
Changes to src/resolve.c.
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  struct SrcList_item *pMatch = 0;  /* The matching pSrcList item */
  NameContext *pTopNC = pNC;        /* First namecontext in the list */
  Schema *pSchema = 0;              /* Schema of the expression */
  int isTrigger = 0;

  assert( pNC );     /* the name context cannot be NULL. */
  assert( zCol );    /* The Z in X.Y.Z cannot be NULL */
  assert( ~ExprHasAnyProperty(pExpr, EP_TokenOnly|EP_Reduced) );

  /* Initialize the node to no-match */
  pExpr->iTable = -1;
  pExpr->pTab = 0;
  ExprSetIrreducible(pExpr);

  /* Start at the inner-most context and move outward until a match is found */







|







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  struct SrcList_item *pMatch = 0;  /* The matching pSrcList item */
  NameContext *pTopNC = pNC;        /* First namecontext in the list */
  Schema *pSchema = 0;              /* Schema of the expression */
  int isTrigger = 0;

  assert( pNC );     /* the name context cannot be NULL. */
  assert( zCol );    /* The Z in X.Y.Z cannot be NULL */
  assert( !ExprHasAnyProperty(pExpr, EP_TokenOnly|EP_Reduced) );

  /* Initialize the node to no-match */
  pExpr->iTable = -1;
  pExpr->pTab = 0;
  ExprSetIrreducible(pExpr);

  /* Start at the inner-most context and move outward until a match is found */
Changes to src/sqliteInt.h.
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int sqlite3VdbeParameterIndex(Vdbe*, const char*, int);
int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *);
int sqlite3Reprepare(Vdbe*);
void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*);
CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *);
int sqlite3TempInMemory(const sqlite3*);
const char *sqlite3JournalModename(int);

int sqlite3Checkpoint(sqlite3*, int, int, int*, int*);
int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int);


/* Declarations for functions in fkey.c. All of these are replaced by
** no-op macros if OMIT_FOREIGN_KEY is defined. In this case no foreign
** key functionality is available. If OMIT_TRIGGER is defined but
** OMIT_FOREIGN_KEY is not, only some of the functions are no-oped. In
** this case foreign keys are parsed, but no other functionality is 
** provided (enforcement of FK constraints requires the triggers sub-system).







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int sqlite3VdbeParameterIndex(Vdbe*, const char*, int);
int sqlite3TransferBindings(sqlite3_stmt *, sqlite3_stmt *);
int sqlite3Reprepare(Vdbe*);
void sqlite3ExprListCheckLength(Parse*, ExprList*, const char*);
CollSeq *sqlite3BinaryCompareCollSeq(Parse *, Expr *, Expr *);
int sqlite3TempInMemory(const sqlite3*);
const char *sqlite3JournalModename(int);
#ifndef SQLITE_OMIT_WAL
  int sqlite3Checkpoint(sqlite3*, int, int, int*, int*);
  int sqlite3WalDefaultHook(void*,sqlite3*,const char*,int);
#endif

/* Declarations for functions in fkey.c. All of these are replaced by
** no-op macros if OMIT_FOREIGN_KEY is defined. In this case no foreign
** key functionality is available. If OMIT_TRIGGER is defined but
** OMIT_FOREIGN_KEY is not, only some of the functions are no-oped. In
** this case foreign keys are parsed, but no other functionality is 
** provided (enforcement of FK constraints requires the triggers sub-system).
Changes to src/wal.c.
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      ** are no outstanding references to any page other than page 1. And
      ** page 1 is never written to the log until the transaction is
      ** committed. As a result, the call to xUndo may not fail.
      */
      assert( walFramePgno(pWal, iFrame)!=1 );
      rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame));
    }
    walCleanupHash(pWal);
  }
  assert( rc==SQLITE_OK );
  return rc;
}

/* 
** Argument aWalData must point to an array of WAL_SAVEPOINT_NDATA u32 







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      ** are no outstanding references to any page other than page 1. And
      ** page 1 is never written to the log until the transaction is
      ** committed. As a result, the call to xUndo may not fail.
      */
      assert( walFramePgno(pWal, iFrame)!=1 );
      rc = xUndo(pUndoCtx, walFramePgno(pWal, iFrame));
    }
    if( iMax!=pWal->hdr.mxFrame ) walCleanupHash(pWal);
  }
  assert( rc==SQLITE_OK );
  return rc;
}

/* 
** Argument aWalData must point to an array of WAL_SAVEPOINT_NDATA u32 
Changes to src/where.c.
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          /* Finish the loop through table entries that match term pOrTerm. */
          sqlite3WhereEnd(pSubWInfo);
        }
      }
    }
    pLevel->u.pCovidx = pCov;
    pLevel->iIdxCur = iCovCur;
    if( pAndExpr ){
      pAndExpr->pLeft = 0;
      sqlite3ExprDelete(pParse->db, pAndExpr);
    }
    sqlite3VdbeChangeP1(v, iRetInit, sqlite3VdbeCurrentAddr(v));
    sqlite3VdbeAddOp2(v, OP_Goto, 0, pLevel->addrBrk);
    sqlite3VdbeResolveLabel(v, iLoopBody);







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          /* Finish the loop through table entries that match term pOrTerm. */
          sqlite3WhereEnd(pSubWInfo);
        }
      }
    }
    pLevel->u.pCovidx = pCov;
    if( pCov ) pLevel->iIdxCur = iCovCur;
    if( pAndExpr ){
      pAndExpr->pLeft = 0;
      sqlite3ExprDelete(pParse->db, pAndExpr);
    }
    sqlite3VdbeChangeP1(v, iRetInit, sqlite3VdbeCurrentAddr(v));
    sqlite3VdbeAddOp2(v, OP_Goto, 0, pLevel->addrBrk);
    sqlite3VdbeResolveLabel(v, iLoopBody);
Added test/backup4.test.




















































































































































































































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# 2012 October 13
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
#
# The tests in this file verify that if an empty database (zero bytes in 
# size) is used as the source of a backup operation, the final destination
# database is one page in size.
#
# The destination must consist of at least one page as truncating a 
# database file to zero bytes is equivalent to resetting the database
# schema cookie and change counter. Doing that could cause other clients
# to become confused and continue using out-of-date cache data.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix backup4

#-------------------------------------------------------------------------
# At one point this test was failing because [db] was using an out of
# date schema in test case 1.2.
#
do_execsql_test 1.0 {
  CREATE TABLE t1(x, y, UNIQUE(x, y));
  INSERT INTO t1 VALUES('one', 'two');
  SELECT * FROM t1 WHERE x='one';
  PRAGMA integrity_check;
} {one two ok}

do_test 1.1 {
  sqlite3 db1 :memory:
  db1 backup test.db
  sqlite3 db1 test.db
  db1 eval {
    CREATE TABLE t1(x, y);
    INSERT INTO t1 VALUES('one', 'two');
  }
  db1 close
} {}

do_execsql_test 1.2 {
  SELECT * FROM t1 WHERE x='one';
  PRAGMA integrity_check;
} {one two ok}

db close
forcedelete test.db
forcedelete test.db2
sqlite3 db test.db

#-------------------------------------------------------------------------
# Test that if the source is zero bytes, the destination database 
# consists of a single page only.
#
do_execsql_test 2.1 {
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 2.2 { file size test.db } 3072

do_test 2.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}

do_test 2.4 { file size test.db2 } 0

db close
forcedelete test.db
forcedelete test.db2
sqlite3 db test.db

#-------------------------------------------------------------------------
# Test that if the destination has a page-size larger than the implicit
# page-size of the source, the final destination database still consists
# of a single page.
#
do_execsql_test 3.1 {
  PRAGMA page_size = 4096;
  CREATE TABLE t1(a, b);
  CREATE INDEX i1 ON t1(a, b);
}

do_test 3.2 { file size test.db } 12288

do_test 3.3 {
  sqlite3 db1 test.db2
  db1 backup test.db
  db1 close
  file size test.db
} {1024}

do_test 3.4 { file size test.db2 } 0

finish_test

Changes to test/pager1.test.
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    CREATE TABLE t2(a, b);
  } db2
  sqlite3_backup B db2 main db main
  list [B step 10000] [B finish]
} {SQLITE_DONE SQLITE_OK}
do_test pager1-9.4.2 {
  list [file size test.db2] [file size test.db]
} {0 0}
db2 close

#-------------------------------------------------------------------------
# Test that regardless of the value returned by xSectorSize(), the
# minimum effective sector-size is 512 and the maximum 65536 bytes.
#
testvfs tv -default 1







|







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    CREATE TABLE t2(a, b);
  } db2
  sqlite3_backup B db2 main db main
  list [B step 10000] [B finish]
} {SQLITE_DONE SQLITE_OK}
do_test pager1-9.4.2 {
  list [file size test.db2] [file size test.db]
} {1024 0}
db2 close

#-------------------------------------------------------------------------
# Test that regardless of the value returned by xSectorSize(), the
# minimum effective sector-size is 512 and the maximum 65536 bytes.
#
testvfs tv -default 1
Added test/wal9.test.




















































































































































































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# 2012 October 15
#
# The author disclaims copyright to this source code.  In place of
# a legal notice, here is a blessing:
#
#    May you do good and not evil.
#    May you find forgiveness for yourself and forgive others.
#    May you share freely, never taking more than you give.
#
#***********************************************************************
# 
# This test case tests that a problem causing a failing assert() has
# been fixed. The problem occurred if a writer process with a subset
# of the *shm file mapped rolled back a transaction begun after the
# entire WAL file was checkpointed into the db file (i.e. a transaction
# that would have restarted the WAL file from the beginning).
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
set testprefix wal9

sqlite3 db2 test.db

do_execsql_test 1.0 {
  PRAGMA page_size = 1024;
  PRAGMA journal_mode = WAL;
  PRAGMA wal_autocheckpoint = 0;
  CREATE TABLE t(x);
} {wal 0}

do_test 1.1 { 
  execsql "SELECT * FROM t" db2
} {}

do_execsql_test 1.2 {
  BEGIN;
    INSERT INTO t VALUES(randomblob(100));
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;

    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;

    INSERT INTO t SELECT randomblob(100) FROM t;
    INSERT INTO t SELECT randomblob(100) FROM t;
  COMMIT;
} {}

# Check file sizes are as expected. The real requirement here is that 
# the *shm file is now more than one chunk (>32KiB).
do_test 1.3 { file size test.db     } {1024}
do_test 1.4 { file size test.db-wal } {15421352}
do_test 1.5 { file size test.db-shm } {131072}

do_execsql_test 1.6 { PRAGMA wal_checkpoint } {0 14715 14715}

# At this point connection [db2] has mapped the first 32KB of the *shm file
# only. Because the entire WAL file has been checkpointed, it is not 
# necessary to map any more of the *-shm file to read or write the database
# (since all data will be read directly from the db file). 
#
# However, at one point if a transaction that had not yet written to the 
# WAL file was rolled back an assert() attempting to verify that the entire 
# *-shm file was mapped would fail. If NDEBUG was defined (and the assert() 
# disabled) this bug caused SQLite to ignore the return code of a mmap() 
# call.
#
do_test 1.7 {
  execsql { 
    BEGIN;
      INSERT INTO t VALUES('hello');
    ROLLBACK;
  } db2
} {}
db2 close

finish_test

Changes to test/whereD.test.
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do_searchcount_test 3.5.1 {
  SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 one 2 two search 2}
do_searchcount_test 3.5.2 {
  SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 i 2 ii search 2}


























finish_test







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do_searchcount_test 3.5.1 {
  SELECT a, b FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 one 2 two search 2}
do_searchcount_test 3.5.2 {
  SELECT a, c FROM t3 WHERE (a=1 AND b='one') OR rowid=4
} {1 i 2 ii search 2}

# Ticket [d02e1406a58ea02d] (2012-10-04)
# LEFT JOIN with an OR in the ON clause causes segfault 
#
do_test 4.1 {
  db eval {
    CREATE TABLE t41(a,b,c);
    INSERT INTO t41 VALUES(1,2,3), (4,5,6);
    CREATE TABLE t42(d,e,f);
    INSERT INTO t42 VALUES(3,6,9), (4,8,12);
    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
  }
} {1 2 3 3 6 9 4 5 6 {} {} {}}
do_test 4.2 {
  db eval {
    CREATE INDEX t42d ON t42(d);
    CREATE INDEX t42e ON t42(e);
    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.e=x.b);
  }
} {1 2 3 3 6 9 4 5 6 {} {} {}}
do_test 4.3 {
  db eval {
    SELECT * FROM t41 AS x LEFT JOIN t42 AS y ON (y.d=x.c) OR (y.d=x.b);
  }
} {1 2 3 3 6 9 4 5 6 {} {} {}}

finish_test
Changes to tool/build-all-msvc.bat.
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@ECHO OFF

::
:: build-all-msvc.bat --
::
:: Multi-Platform Build Tool for MSVC
::

SETLOCAL

REM SET __ECHO=ECHO
REM SET __ECHO2=ECHO

IF NOT DEFINED _AECHO (SET _AECHO=REM)
IF NOT DEFINED _CECHO (SET _CECHO=REM)
IF NOT DEFINED _VECHO (SET _VECHO=REM)

%_AECHO% Running %0 %*

REM SET DFLAGS=/L












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@ECHO OFF

::
:: build-all-msvc.bat --
::
:: Multi-Platform Build Tool for MSVC
::

SETLOCAL

REM SET __ECHO=ECHO
REM SET __ECHO2=ECHO
REM SET __ECHO3=ECHO
IF NOT DEFINED _AECHO (SET _AECHO=REM)
IF NOT DEFINED _CECHO (SET _CECHO=REM)
IF NOT DEFINED _VECHO (SET _VECHO=REM)

%_AECHO% Running %0 %*

REM SET DFLAGS=/L
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    CALL :fn_UnsetVariable WindowsSdkDir_old

    REM
    REM NOTE: Reset the PATH here to the absolute bare minimum required.
    REM
    SET PATH=%TOOLPATH%;%SystemRoot%\System32;%SystemRoot%















    REM
    REM NOTE: Launch a nested command shell to perform the following steps:
    REM
    REM       1. Setup the MSVC environment for this platform using the
    REM          official batch file.
    REM
    REM       2. Make sure that no stale build output files are present.
    REM
    REM       3. Build the "sqlite3.dll" and "sqlite3.lib" binaries for this
    REM          platform.
    REM
    REM       4. Copy the "sqlite3.dll" and "sqlite3.lib" binaries for this
    REM          platform to the platform-specific directory beneath the
    REM          binary directory.
    REM
    "%ComSpec%" /C (
      REM
      REM NOTE: Attempt to setup the MSVC environment for this platform.
      REM
      %__ECHO% CALL "%VCINSTALLDIR%\vcvarsall.bat" %%P

      IF ERRORLEVEL 1 (
        ECHO Failed to call "%VCINSTALLDIR%\vcvarsall.bat" for platform %%P.
        GOTO errors
      )

      REM
      REM NOTE: If this batch file is not running in "what-if" mode, check to
      REM       be sure we were actually able to setup the MSVC environment as
      REM       current versions of their official batch file do not set the
      REM       exit code upon failure.
      REM
      IF NOT DEFINED __ECHO (
        IF NOT DEFINED WindowsSdkDir (
          ECHO Cannot build, Windows SDK not found for platform %%P.
          GOTO errors
        )
      )

      REM
      REM NOTE: When using MSVC 2012, the native SDK path cannot simply use
      REM       the "lib" sub-directory beneath the location specified in the
      REM       WindowsSdkDir environment variable because that location does
      REM       not actually contain the necessary library files for x86.
      REM       This must be done for each iteration because it relies upon
      REM       the WindowsSdkDir environment variable being set by the batch
      REM       file used to setup the MSVC environment.
      REM
      IF DEFINED SET_NSDKLIBPATH (
        CALL :fn_CopyVariable WindowsSdkDir NSDKLIBPATH
        CALL :fn_AppendVariable NSDKLIBPATH \lib\win8\um\x86
      )

      REM
      REM NOTE: Unless prevented from doing so, invoke NMAKE with the MSVC
      REM       makefile to clean any stale build output from previous
      REM       iterations of this loop and/or previous runs of this batch
      REM       file, etc.
      REM
      IF NOT DEFINED NOCLEAN (
        %__ECHO% nmake -f Makefile.msc clean

        IF ERRORLEVEL 1 (
          ECHO Failed to clean for platform %%P.
          GOTO errors
        )
      ) ELSE (
        REM
        REM NOTE: Even when the cleaning step has been disabled, we still need
        REM       to remove the build output for the files we are specifically
        REM       wanting to build for each platform.
        REM
        %__ECHO% DEL /Q sqlite3.dll sqlite3.lib sqlite3.pdb
      )

      REM
      REM NOTE: Invoke NMAKE with the MSVC makefile to build the "sqlite3.dll"
      REM       binary.  The x86 compiler will be used to compile the native
      REM       command line tools needed during the build process itself.
      REM       Also, disable looking for and/or linking to the native Tcl
      REM       runtime library.
      REM
      %__ECHO% nmake -f Makefile.msc sqlite3.dll "NCC=""%VCINSTALLDIR%\bin\cl.exe""" USE_NATIVE_LIBPATHS=1 NO_TCL=1 %NMAKE_ARGS%

      IF ERRORLEVEL 1 (
        ECHO Failed to build "sqlite3.dll" for platform %%P.
        GOTO errors
      )

      REM
      REM NOTE: Copy the "sqlite3.dll" file to the platform-specific directory
      REM       beneath the binary directory.
      REM
      %__ECHO% XCOPY sqlite3.dll "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%

      IF ERRORLEVEL 1 (
        ECHO Failed to copy "sqlite3.dll" to "%BINARYDIRECTORY%\%%D\".
        GOTO errors
      )

      REM
      REM NOTE: Copy the "sqlite3.lib" file to the platform-specific directory
      REM       beneath the binary directory.
      REM
      %__ECHO% XCOPY sqlite3.lib "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%

      IF ERRORLEVEL 1 (
        ECHO Failed to copy "sqlite3.lib" to "%BINARYDIRECTORY%\%%D\".
        GOTO errors
      )

      REM
      REM NOTE: Copy the "sqlite3.pdb" file to the platform-specific directory
      REM       beneath the binary directory unless we are prevented from doing
      REM       so.
      REM
      IF NOT DEFINED NOSYMBOLS (
        %__ECHO% XCOPY sqlite3.pdb "%BINARYDIRECTORY%\%%D\" %FFLAGS% %DFLAGS%

        IF ERRORLEVEL 1 (
          ECHO Failed to copy "sqlite3.pdb" to "%BINARYDIRECTORY%\%%D\".
          GOTO errors

        )
      )
    )
  )

  REM
  REM NOTE: Handle any errors generated during the nested command shell.







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    CALL :fn_UnsetVariable WindowsSdkDir_old

    REM
    REM NOTE: Reset the PATH here to the absolute bare minimum required.
    REM
    SET PATH=%TOOLPATH%;%SystemRoot%\System32;%SystemRoot%

    FOR %%B IN (Debug Retail) DO (
      REM
      REM NOTE: When preparing the debug build, set the DEBUG and MEMDEBUG
      REM       environment variables to be picked up by the MSVC makefile
      REM       itself.
      REM
      IF /I "%%B" == "Debug" (
        SET DEBUG=2
        SET MEMDEBUG=1
      ) ELSE (
        CALL :fn_UnsetVariable DEBUG
        CALL :fn_UnsetVariable MEMDEBUG
      )

      REM
      REM NOTE: Launch a nested command shell to perform the following steps:
      REM
      REM       1. Setup the MSVC environment for this platform using the
      REM          official batch file.
      REM
      REM       2. Make sure that no stale build output files are present.
      REM
      REM       3. Build the "sqlite3.dll" and "sqlite3.lib" binaries for this
      REM          platform.
      REM
      REM       4. Copy the "sqlite3.dll" and "sqlite3.lib" binaries for this
      REM          platform to the platform-specific directory beneath the
      REM          binary directory.
      REM
      "%ComSpec%" /C (
        REM
        REM NOTE: Attempt to setup the MSVC environment for this platform.
        REM
        %__ECHO3% CALL "%VCINSTALLDIR%\vcvarsall.bat" %%P

        IF ERRORLEVEL 1 (
          ECHO Failed to call "%VCINSTALLDIR%\vcvarsall.bat" for platform %%P.
          GOTO errors
        )

        REM
        REM NOTE: If this batch file is not running in "what-if" mode, check to
        REM       be sure we were actually able to setup the MSVC environment
        REM       as current versions of their official batch file do not set
        REM       the exit code upon failure.
        REM
        IF NOT DEFINED __ECHO (
          IF NOT DEFINED WindowsSdkDir (
            ECHO Cannot build, Windows SDK not found for platform %%P.
            GOTO errors
          )
        )

        REM
        REM NOTE: When using MSVC 2012, the native SDK path cannot simply use
        REM       the "lib" sub-directory beneath the location specified in the
        REM       WindowsSdkDir environment variable because that location does
        REM       not actually contain the necessary library files for x86.
        REM       This must be done for each iteration because it relies upon
        REM       the WindowsSdkDir environment variable being set by the batch
        REM       file used to setup the MSVC environment.
        REM
        IF DEFINED SET_NSDKLIBPATH (
          CALL :fn_CopyVariable WindowsSdkDir NSDKLIBPATH
          CALL :fn_AppendVariable NSDKLIBPATH \lib\win8\um\x86
        )

        REM
        REM NOTE: Unless prevented from doing so, invoke NMAKE with the MSVC
        REM       makefile to clean any stale build output from previous
        REM       iterations of this loop and/or previous runs of this batch
        REM       file, etc.
        REM
        IF NOT DEFINED NOCLEAN (
          %__ECHO% nmake -f Makefile.msc clean

          IF ERRORLEVEL 1 (
            ECHO Failed to clean for platform %%P.
            GOTO errors
          )
        ) ELSE (
          REM
          REM NOTE: Even when the cleaning step has been disabled, we still
          REM       need to remove the build output for the files we are
          REM       specifically wanting to build for each platform.
          REM
          %__ECHO% DEL /Q sqlite3.dll sqlite3.lib sqlite3.pdb
        )

        REM
        REM NOTE: Call NMAKE with the MSVC makefile to build the "sqlite3.dll"
        REM       binary.  The x86 compiler will be used to compile the native
        REM       command line tools needed during the build process itself.
        REM       Also, disable looking for and/or linking to the native Tcl
        REM       runtime library.
        REM
        %__ECHO% nmake -f Makefile.msc sqlite3.dll XCOMPILE=1 USE_NATIVE_LIBPATHS=1 NO_TCL=1 %NMAKE_ARGS%

        IF ERRORLEVEL 1 (
          ECHO Failed to build %%B "sqlite3.dll" for platform %%P.
          GOTO errors
        )

        REM
        REM NOTE: Copy the "sqlite3.dll" file to the appropriate directory for
        REM       the build and platform beneath the binary directory.
        REM
        %__ECHO% XCOPY sqlite3.dll "%BINARYDIRECTORY%\%%B\%%D\" %FFLAGS% %DFLAGS%

        IF ERRORLEVEL 1 (
          ECHO Failed to copy "sqlite3.dll" to "%BINARYDIRECTORY%\%%B\%%D\".
          GOTO errors
        )

        REM
        REM NOTE: Copy the "sqlite3.lib" file to the appropriate directory for
        REM       the build and platform beneath the binary directory.
        REM
        %__ECHO% XCOPY sqlite3.lib "%BINARYDIRECTORY%\%%B\%%D\" %FFLAGS% %DFLAGS%

        IF ERRORLEVEL 1 (
          ECHO Failed to copy "sqlite3.lib" to "%BINARYDIRECTORY%\%%B\%%D\".
          GOTO errors
        )

        REM
        REM NOTE: Copy the "sqlite3.pdb" file to the appropriate directory for
        REM       the build and platform beneath the binary directory unless we
        REM       are prevented from doing so.
        REM
        IF NOT DEFINED NOSYMBOLS (
          %__ECHO% XCOPY sqlite3.pdb "%BINARYDIRECTORY%\%%B\%%D\" %FFLAGS% %DFLAGS%

          IF ERRORLEVEL 1 (
            ECHO Failed to copy "sqlite3.pdb" to "%BINARYDIRECTORY%\%%B\%%D\".
            GOTO errors
          )
        )
      )
    )
  )

  REM
  REM NOTE: Handle any errors generated during the nested command shell.
Changes to tool/mkvsix.tcl.
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  # NOTE: Performs all Tcl command, variable, and backslash substitutions in
  #       the specified file and then re-writes the contents of that same file
  #       with the substituted data.
  #
  return [writeFile $fileName [uplevel 1 [list subst [readFile $fileName]]]]
}

proc replacePlatform { fileName platformName } {
  #
  # NOTE: Returns the specified file name containing the platform name instead
  #       of platform placeholder tokens.
  #
  return [string map [list <platform> $platformName] $fileName]

}

set script [file normalize [info script]]

if {[string length $script] == 0} then {
  fail "script file currently being evaluated is unknown" true
}







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  # NOTE: Performs all Tcl command, variable, and backslash substitutions in
  #       the specified file and then re-writes the contents of that same file
  #       with the substituted data.
  #
  return [writeFile $fileName [uplevel 1 [list subst [readFile $fileName]]]]
}

proc replaceBuildAndPlatform { fileName buildName platformName } {
  #
  # NOTE: Returns the specified file name containing the platform name instead
  #       of platform placeholder tokens.
  #
  return [string map [list <build> $buildName <platform> $platformName] \
      $fileName]
}

set script [file normalize [info script]]

if {[string length $script] == 0} then {
  fail "script file currently being evaluated is unknown" true
}
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#
# NOTE: Setup the master file list data, including the necessary flags.
#
if {![info exists fileNames(source)]} then {
  set fileNames(source) [list "" "" "" \
      [file join $sourceDirectory sqlite3.h] \
      [file join $binaryDirectory <platform> sqlite3.lib] \
      [file join $binaryDirectory <platform> sqlite3.dll]]

  if {![info exists no(symbols)]} then {
    lappend fileNames(source) \
        [file join $binaryDirectory <platform> sqlite3.pdb]
  }
}

if {![info exists fileNames(destination)]} then {
  set fileNames(destination) [list \
      [file join $stagingDirectory extension.vsixmanifest] \
      [file join $stagingDirectory SDKManifest.xml] \
      [file join $stagingDirectory DesignTime CommonConfiguration \
          <platform> SQLite.WinRT.props] \
      [file join $stagingDirectory DesignTime CommonConfiguration \
          <platform> sqlite3.h] \
      [file join $stagingDirectory DesignTime CommonConfiguration \
          <platform> sqlite3.lib] \
      [file join $stagingDirectory Redist CommonConfiguration \
          <platform> sqlite3.dll]]

  if {![info exists no(symbols)]} then {
    lappend fileNames(destination) \
        [file join $stagingDirectory Redist Debug \


            <platform> sqlite3.pdb]





  }
}

if {![info exists fileNames(neutral)]} then {
  set fileNames(neutral) [list 1 1 1 1 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(neutral) 0
  }
}

if {![info exists fileNames(subst)]} then {
  set fileNames(subst) [list 1 1 1 0 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(subst) 0
  }
}


























###############################################################################

#
# NOTE: Setup the list of platforms supported by this script.
#
if {![info exists platformNames]} then {







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#
# NOTE: Setup the master file list data, including the necessary flags.
#
if {![info exists fileNames(source)]} then {
  set fileNames(source) [list "" "" "" \
      [file join $sourceDirectory sqlite3.h] \
      [file join $binaryDirectory <build> <platform> sqlite3.lib] \
      [file join $binaryDirectory <build> <platform> sqlite3.dll]]

  if {![info exists no(symbols)]} then {
    lappend fileNames(source) \
        [file join $binaryDirectory <build> <platform> sqlite3.pdb]
  }
}

if {![info exists fileNames(destination)]} then {
  set fileNames(destination) [list \
      [file join $stagingDirectory extension.vsixmanifest] \
      [file join $stagingDirectory SDKManifest.xml] \
      [file join $stagingDirectory DesignTime <build> <platform> \
          SQLite.WinRT.props] \
      [file join $stagingDirectory DesignTime <build> <platform> sqlite3.h] \

      [file join $stagingDirectory DesignTime <build> <platform> sqlite3.lib] \

      [file join $stagingDirectory Redist <build> <platform> sqlite3.dll]]


  if {![info exists no(symbols)]} then {
    lappend fileNames(destination) \
        [file join $stagingDirectory Redist <build> <platform> sqlite3.pdb]
  }
}

if {![info exists fileNames(buildNeutral)]} then {
  set fileNames(buildNeutral) [list 1 1 1 1 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(buildNeutral) 0
  }
}

if {![info exists fileNames(platformNeutral)]} then {
  set fileNames(platformNeutral) [list 1 1 1 1 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(platformNeutral) 0
  }
}

if {![info exists fileNames(subst)]} then {
  set fileNames(subst) [list 1 1 1 0 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(subst) 0
  }
}

if {![info exists fileNames(noDebug)]} then {
  set fileNames(noDebug) [list 0 0 0 0 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(noDebug) 0
  }
}

if {![info exists fileNames(noRetail)]} then {
  set fileNames(noRetail) [list 0 0 0 0 0 0]

  if {![info exists no(symbols)]} then {
    lappend fileNames(noRetail) 1
  }
}

###############################################################################

#
# NOTE: Setup the list of builds supported by this script.
#
if {![info exists buildNames]} then {
  set buildNames [list Debug Retail]
}

###############################################################################

#
# NOTE: Setup the list of platforms supported by this script.
#
if {![info exists platformNames]} then {
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#       is an empty string, then the destination file name will be assumed to
#       already exist in the staging directory and will not be copied; however,
#       dynamic replacements may still be performed on the destination file
#       prior to the package being re-zipped.
#
foreach sourceFileName $fileNames(source) \
    destinationFileName $fileNames(destination) \

    isNeutral $fileNames(neutral) useSubst $fileNames(subst) {

  #














  # NOTE: If the current file is platform-neutral, then only one platform will
  #       be processed for it, namely "neutral"; otherwise, each supported
  #       platform will be processed for it individually.
  #

  foreach platformName [expr {$isNeutral ? [list neutral] : $platformNames}] {
    #
    # NOTE: Use the actual platform name in the destination file name.
    #
    set newDestinationFileName [replacePlatform $destinationFileName \
        $platformName]

    #
    # NOTE: Does the source file need to be copied to the destination file?
    #
    if {[string length $sourceFileName] > 0} then {
      #
      # NOTE: First, make sure the destination directory exists.
      #
      file mkdir [file dirname $newDestinationFileName]

      #
      # NOTE: Then, copy the source file to the destination file verbatim.
      #
      file copy [replacePlatform $sourceFileName $platformName] \
          $newDestinationFileName
    }

    #
    # NOTE: Does the destination file contain dynamic replacements that must
    #       be processed now?
    #
    if {$useSubst} then {
      #
      # NOTE: Perform any dynamic replacements contained in the destination
      #       file and then re-write it in-place.
      #
      substFile $newDestinationFileName

    }
  }
}

###############################################################################

#







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#       is an empty string, then the destination file name will be assumed to
#       already exist in the staging directory and will not be copied; however,
#       dynamic replacements may still be performed on the destination file
#       prior to the package being re-zipped.
#
foreach sourceFileName $fileNames(source) \
    destinationFileName $fileNames(destination) \
    buildNeutral $fileNames(buildNeutral) platformNeutral \
    $fileNames(platformNeutral) useSubst $fileNames(subst) \
    noDebug $fileNames(noDebug) noRetail $fileNames(noRetail) {
  #
  # NOTE: If the current file is build-neutral, then only one build will
  #       be processed for it, namely "CommonConfiguration"; otherwise, each
  #       supported build will be processed for it individually.
  #
  foreach buildName \
      [expr {$buildNeutral ? [list CommonConfiguration] : $buildNames}] {
    #
    # NOTE: Should the current file be skipped for this build?
    #
    if {[info exists no${buildName}] && [set no${buildName}]} then {
      continue
    }

    #
    # NOTE: If the current file is platform-neutral, then only one platform
    #       will be processed for it, namely "neutral"; otherwise, each
    #       supported platform will be processed for it individually.
    #
    foreach platformName \
        [expr {$platformNeutral ? [list neutral] : $platformNames}] {
      #
      # NOTE: Use the actual platform name in the destination file name.
      #
      set newDestinationFileName [replaceBuildAndPlatform \
          $destinationFileName $buildName $platformName]

      #
      # NOTE: Does the source file need to be copied to the destination file?
      #
      if {[string length $sourceFileName] > 0} then {
        #
        # NOTE: First, make sure the destination directory exists.
        #
        file mkdir [file dirname $newDestinationFileName]

        #
        # NOTE: Then, copy the source file to the destination file verbatim.
        #
        file copy [replaceBuildAndPlatform $sourceFileName $buildName \
            $platformName] $newDestinationFileName
      }

      #
      # NOTE: Does the destination file contain dynamic replacements that must
      #       be processed now?
      #
      if {$useSubst} then {
        #
        # NOTE: Perform any dynamic replacements contained in the destination
        #       file and then re-write it in-place.
        #
        substFile $newDestinationFileName
      }
    }
  }
}

###############################################################################

#
Changes to tool/showdb.c.
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/*
** A utility for printing all or part of an SQLite database file.
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>


#include <unistd.h>


#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"


static int pagesize = 1024;     /* Size of a database page */
static int db = -1;             /* File descriptor for reading the DB */








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/*
** A utility for printing all or part of an SQLite database file.
*/
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#if !defined(_MSC_VER)
#include <unistd.h>
#endif

#include <stdlib.h>
#include <string.h>
#include "sqlite3.h"


static int pagesize = 1024;     /* Size of a database page */
static int db = -1;             /* File descriptor for reading the DB */
Changes to tool/spaceanal.tcl.
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  } elseif {$file_to_analyze!=""} {
    usage
  } else {
    set file_to_analyze $arg
  }
}
if {$file_to_analyze==""} usage


if {![file exists $file_to_analyze]} {
  puts stderr "No such file: $file_to_analyze"
  exit 1
}
if {![file readable $file_to_analyze]} {
  puts stderr "File is not readable: $file_to_analyze"
  exit 1
}
set true_file_size [file size $file_to_analyze]
if {$true_file_size<512} {
  puts stderr "Empty or malformed database: $file_to_analyze"
  exit 1
}

# Compute the total file size assuming test_multiplexor is being used.
# Assume that SQLITE_ENABLE_8_3_NAMES might be enabled
#
set extension [file extension $file_to_analyze]
set pattern $file_to_analyze
append pattern {[0-3][0-9][0-9]}
foreach f [glob -nocomplain $pattern] {
  incr true_file_size [file size $f]
  set extension {}
}
if {[string length $extension]>=2 && [string length $extension]<=4} {
  set pattern [file rootname $file_to_analyze]
  append pattern {.[0-3][0-9][0-9]}
  foreach f [glob -nocomplain $pattern] {
    incr true_file_size [file size $f]
  }
}

# Open the database
#
sqlite3 db $file_to_analyze



register_dbstat_vtab db

db eval {SELECT count(*) FROM sqlite_master}
set pageSize [expr {wide([db one {PRAGMA page_size}])}]

if {$flags(-pageinfo)} {
  db eval {CREATE VIRTUAL TABLE temp.stat USING dbstat}







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  } elseif {$file_to_analyze!=""} {
    usage
  } else {
    set file_to_analyze $arg
  }
}
if {$file_to_analyze==""} usage
set root_filename $file_to_analyze
regexp {^file:(//)?([^?]*)} $file_to_analyze all x1 root_filename
if {![file exists $root_filename]} {
  puts stderr "No such file: $root_filename"
  exit 1
}
if {![file readable $root_filename]} {
  puts stderr "File is not readable: $root_filename"
  exit 1
}
set true_file_size [file size $root_filename]
if {$true_file_size<512} {
  puts stderr "Empty or malformed database: $root_filename"
  exit 1
}

# Compute the total file size assuming test_multiplexor is being used.
# Assume that SQLITE_ENABLE_8_3_NAMES might be enabled
#
set extension [file extension $root_filename]
set pattern $root_filename
append pattern {[0-3][0-9][0-9]}
foreach f [glob -nocomplain $pattern] {
  incr true_file_size [file size $f]
  set extension {}
}
if {[string length $extension]>=2 && [string length $extension]<=4} {
  set pattern [file rootname $root_filename]
  append pattern {.[0-3][0-9][0-9]}
  foreach f [glob -nocomplain $pattern] {
    incr true_file_size [file size $f]
  }
}

# Open the database
#
if {[catch {sqlite3 db $file_to_analyze -uri 1} msg]} {
  puts stderr "error trying to open $file_to_analyze: $msg"
  exit 1
}
register_dbstat_vtab db

db eval {SELECT count(*) FROM sqlite_master}
set pageSize [expr {wide([db one {PRAGMA page_size}])}]

if {$flags(-pageinfo)} {
  db eval {CREATE VIRTUAL TABLE temp.stat USING dbstat}
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# set total_payload [mem eval "SELECT sum(payload) FROM space_used"]
set user_payload [mem one {SELECT int(sum(payload)) FROM space_used
     WHERE NOT is_index AND name NOT LIKE 'sqlite_master'}]
set user_percent [percent $user_payload $file_bytes]

# Output the summary statistics calculated above.
#
puts "/** Disk-Space Utilization Report For $file_to_analyze"
catch {
  puts "*** As of [clock format [clock seconds] -format {%Y-%b-%d %H:%M:%S}]"
}
puts ""
statline {Page size in bytes} $pageSize
statline {Pages in the whole file (measured)} $file_pgcnt
statline {Pages in the whole file (calculated)} $file_pgcnt2







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# set total_payload [mem eval "SELECT sum(payload) FROM space_used"]
set user_payload [mem one {SELECT int(sum(payload)) FROM space_used
     WHERE NOT is_index AND name NOT LIKE 'sqlite_master'}]
set user_percent [percent $user_payload $file_bytes]

# Output the summary statistics calculated above.
#
puts "/** Disk-Space Utilization Report For $root_filename"
catch {
  puts "*** As of [clock format [clock seconds] -format {%Y-%b-%d %H:%M:%S}]"
}
puts ""
statline {Page size in bytes} $pageSize
statline {Pages in the whole file (measured)} $file_pgcnt
statline {Pages in the whole file (calculated)} $file_pgcnt2