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Overview
Comment:Merge the latest trunk changes into the sessions branch.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | sessions
Files: files | file ages | folders
SHA1:c5709036087b6b4fb6391ab7e4b4b870aac87a31
User & Date: drh 2011-08-03 21:46:58
Context
2011-08-26
19:20
Merge the latest trunk changes into the sessions branch. check-in: eb036d6f user: drh tags: sessions
2011-08-03
21:46
Merge the latest trunk changes into the sessions branch. check-in: c5709036 user: drh tags: sessions
21:32
Avoid segfaulting on an incremental blob write if SQLITE_ENABLE_PREUPDATE_HOOK set but no pre-update hooks are defined. check-in: 62c44634 user: drh tags: sessions
16:40
Update the OP_Move opcode to shift the pScopyFrom pointer of aliases when compiled with SQLITE_DEBUG. Ticket [d63523637517386191]. check-in: a2135ad1 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to doc/lemon.html.

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tokens) and it honors the same commenting conventions as C and C++.</p>

<h3>Terminals and Nonterminals</h3>

<p>A terminal symbol (token) is any string of alphanumeric
and underscore characters
that begins with an upper case letter.
A terminal can contain lower class letters after the first character,
but the usual convention is to make terminals all upper case.
A nonterminal, on the other hand, is any string of alphanumeric
and underscore characters than begins with a lower case letter.
Again, the usual convention is to make nonterminals use all lower
case letters.</p>

<p>In Lemon, terminal and nonterminal symbols do not need to 







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tokens) and it honors the same commenting conventions as C and C++.</p>

<h3>Terminals and Nonterminals</h3>

<p>A terminal symbol (token) is any string of alphanumeric
and underscore characters
that begins with an upper case letter.
A terminal can contain lowercase letters after the first character,
but the usual convention is to make terminals all upper case.
A nonterminal, on the other hand, is any string of alphanumeric
and underscore characters than begins with a lower case letter.
Again, the usual convention is to make nonterminals use all lower
case letters.</p>

<p>In Lemon, terminal and nonterminal symbols do not need to 

Changes to src/os_common.h.

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** switch.  The following code should catch this problem at compile-time.
*/
#ifdef MEMORY_DEBUG
# error "The MEMORY_DEBUG macro is obsolete.  Use SQLITE_DEBUG instead."
#endif

#ifdef SQLITE_DEBUG



int sqlite3OSTrace = 0;
#define OSTRACE(X)          if( sqlite3OSTrace ) sqlite3DebugPrintf X
#else
#define OSTRACE(X)
#endif

/*
** Macros for performance tracing.  Normally turned off.  Only works
** on i486 hardware.
*/
#ifdef SQLITE_PERFORMANCE_TRACE







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** switch.  The following code should catch this problem at compile-time.
*/
#ifdef MEMORY_DEBUG
# error "The MEMORY_DEBUG macro is obsolete.  Use SQLITE_DEBUG instead."
#endif

#ifdef SQLITE_DEBUG
# ifndef SQLITE_DEBUG_OS_TRACE
#   define SQLITE_DEBUG_OS_TRACE 0
# endif
  int sqlite3OSTrace = SQLITE_DEBUG_OS_TRACE;
# define OSTRACE(X)          if( sqlite3OSTrace ) sqlite3DebugPrintf X
#else
# define OSTRACE(X)
#endif

/*
** Macros for performance tracing.  Normally turned off.  Only works
** on i486 hardware.
*/
#ifdef SQLITE_PERFORMANCE_TRACE

Changes to src/os_unix.c.

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  char aPadding[32];
#endif
};

/*
** Allowed values for the unixFile.ctrlFlags bitmask:
*/
#define UNIXFILE_EXCL   0x01     /* Connections from one process only */
#define UNIXFILE_RDONLY 0x02     /* Connection is read only */


/*
** Include code that is common to all os_*.c files
*/
#include "os_common.h"

/*
................................................................................
** file-control operation.
**
** If the user has configured a chunk-size for this file, it could be
** that the file needs to be extended at this point. Otherwise, the
** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix.
*/
static int fcntlSizeHint(unixFile *pFile, i64 nByte){
  if( pFile->szChunk ){
    i64 nSize;                    /* Required file size */

    struct stat buf;              /* Used to hold return values of fstat() */
   
    if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT;

    nSize = ((nByte+pFile->szChunk-1) / pFile->szChunk) * pFile->szChunk;





    if( nSize>(i64)buf.st_size ){

#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
      /* The code below is handling the return value of osFallocate() 
      ** correctly. posix_fallocate() is defined to "returns zero on success, 
      ** or an error number on  failure". See the manpage for details. */
      int err;
................................................................................
  return SQLITE_OK;
}

/*
** Information and control of an open file handle.
*/
static int unixFileControl(sqlite3_file *id, int op, void *pArg){

  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = ((unixFile*)id)->eFileLock;
      return SQLITE_OK;
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = ((unixFile*)id)->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      ((unixFile*)id)->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      return fcntlSizeHint((unixFile *)id, *(i64 *)pArg);











    }
#ifndef NDEBUG
    /* The pager calls this method to signal that it has done
    ** a rollback and that the database is therefore unchanged and
    ** it hence it is OK for the transaction change counter to be
    ** unchanged.
    */
................................................................................
  ** almost certain that an open() call on the same path will also fail.
  ** For this reason, if an error occurs in the stat() call here, it is
  ** ignored and -1 is returned. The caller will try to open a new file
  ** descriptor on the same path, fail, and return an error to SQLite.
  **
  ** Even if a subsequent open() call does succeed, the consequences of
  ** not searching for a resusable file descriptor are not dire.  */
  if( 0==stat(zPath, &sStat) ){
    unixInodeInfo *pInode;

    unixEnterMutex();
    pInode = inodeList;
    while( pInode && (pInode->fileId.dev!=sStat.st_dev
                     || pInode->fileId.ino!=sStat.st_ino) ){
       pInode = pInode->pNext;
................................................................................
    */
    nDb = sqlite3Strlen30(zPath) - 1; 
    while( nDb>0 && zPath[nDb]!='-' ) nDb--;
    if( nDb==0 ) return SQLITE_OK;
    memcpy(zDb, zPath, nDb);
    zDb[nDb] = '\0';

    if( 0==stat(zDb, &sStat) ){
      *pMode = sStat.st_mode & 0777;
    }else{
      rc = SQLITE_IOERR_FSTAT;
    }
  }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
    *pMode = 0600;
  }
................................................................................

    default:
      assert(!"Invalid flags argument");
  }
  *pResOut = (osAccess(zPath, amode)==0);
  if( flags==SQLITE_ACCESS_EXISTS && *pResOut ){
    struct stat buf;
    if( 0==stat(zPath, &buf) && buf.st_size==0 ){
      *pResOut = 0;
    }
  }
  return SQLITE_OK;
}









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  char aPadding[32];
#endif
};

/*
** Allowed values for the unixFile.ctrlFlags bitmask:
*/
#define UNIXFILE_EXCL        0x01     /* Connections from one process only */
#define UNIXFILE_RDONLY      0x02     /* Connection is read only */
#define UNIXFILE_PERSIST_WAL 0x04     /* Persistent WAL mode */

/*
** Include code that is common to all os_*.c files
*/
#include "os_common.h"

/*
................................................................................
** file-control operation.
**
** If the user has configured a chunk-size for this file, it could be
** that the file needs to be extended at this point. Otherwise, the
** SQLITE_FCNTL_SIZE_HINT operation is a no-op for Unix.
*/
static int fcntlSizeHint(unixFile *pFile, i64 nByte){
  { /* preserve indentation of removed "if" */
    i64 nSize;                    /* Required file size */
    i64 szChunk;                  /* Chunk size */
    struct stat buf;              /* Used to hold return values of fstat() */
   
    if( osFstat(pFile->h, &buf) ) return SQLITE_IOERR_FSTAT;

    szChunk = pFile->szChunk;
    if( szChunk==0 ){
      nSize = nByte;
    }else{
      nSize = ((nByte+szChunk-1) / szChunk) * szChunk;
    }
    if( nSize>(i64)buf.st_size ){

#if defined(HAVE_POSIX_FALLOCATE) && HAVE_POSIX_FALLOCATE
      /* The code below is handling the return value of osFallocate() 
      ** correctly. posix_fallocate() is defined to "returns zero on success, 
      ** or an error number on  failure". See the manpage for details. */
      int err;
................................................................................
  return SQLITE_OK;
}

/*
** Information and control of an open file handle.
*/
static int unixFileControl(sqlite3_file *id, int op, void *pArg){
  unixFile *pFile = (unixFile*)id;
  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = pFile->eFileLock;
      return SQLITE_OK;
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = pFile->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      pFile->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      return fcntlSizeHint(pFile, *(i64 *)pArg);
    }
    case SQLITE_FCNTL_PERSIST_WAL: {
      int bPersist = *(int*)pArg;
      if( bPersist<0 ){
        *(int*)pArg = (pFile->ctrlFlags & UNIXFILE_PERSIST_WAL)!=0;
      }else if( bPersist==0 ){
        pFile->ctrlFlags &= ~UNIXFILE_PERSIST_WAL;
      }else{
        pFile->ctrlFlags |= UNIXFILE_PERSIST_WAL;
      }
      return SQLITE_OK;
    }
#ifndef NDEBUG
    /* The pager calls this method to signal that it has done
    ** a rollback and that the database is therefore unchanged and
    ** it hence it is OK for the transaction change counter to be
    ** unchanged.
    */
................................................................................
  ** almost certain that an open() call on the same path will also fail.
  ** For this reason, if an error occurs in the stat() call here, it is
  ** ignored and -1 is returned. The caller will try to open a new file
  ** descriptor on the same path, fail, and return an error to SQLite.
  **
  ** Even if a subsequent open() call does succeed, the consequences of
  ** not searching for a resusable file descriptor are not dire.  */
  if( 0==osStat(zPath, &sStat) ){
    unixInodeInfo *pInode;

    unixEnterMutex();
    pInode = inodeList;
    while( pInode && (pInode->fileId.dev!=sStat.st_dev
                     || pInode->fileId.ino!=sStat.st_ino) ){
       pInode = pInode->pNext;
................................................................................
    */
    nDb = sqlite3Strlen30(zPath) - 1; 
    while( nDb>0 && zPath[nDb]!='-' ) nDb--;
    if( nDb==0 ) return SQLITE_OK;
    memcpy(zDb, zPath, nDb);
    zDb[nDb] = '\0';

    if( 0==osStat(zDb, &sStat) ){
      *pMode = sStat.st_mode & 0777;
    }else{
      rc = SQLITE_IOERR_FSTAT;
    }
  }else if( flags & SQLITE_OPEN_DELETEONCLOSE ){
    *pMode = 0600;
  }
................................................................................

    default:
      assert(!"Invalid flags argument");
  }
  *pResOut = (osAccess(zPath, amode)==0);
  if( flags==SQLITE_ACCESS_EXISTS && *pResOut ){
    struct stat buf;
    if( 0==osStat(zPath, &buf) && buf.st_size==0 ){
      *pResOut = 0;
    }
  }
  return SQLITE_OK;
}


Changes to src/os_win.c.

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** portability layer.
*/
typedef struct winFile winFile;
struct winFile {
  const sqlite3_io_methods *pMethod; /*** Must be first ***/
  sqlite3_vfs *pVfs;      /* The VFS used to open this file */
  HANDLE h;               /* Handle for accessing the file */
  unsigned char locktype; /* Type of lock currently held on this file */
  short sharedLockByte;   /* Randomly chosen byte used as a shared lock */

  DWORD lastErrno;        /* The Windows errno from the last I/O error */
  DWORD sectorSize;       /* Sector size of the device file is on */
  winShm *pShm;           /* Instance of shared memory on this file */
  const char *zPath;      /* Full pathname of this file */
  int szChunk;            /* Chunk size configured by FCNTL_CHUNK_SIZE */
#if SQLITE_OS_WINCE
  WCHAR *zDeleteOnClose;  /* Name of file to delete when closing */
................................................................................
  return rc;
}

/*
** Control and query of the open file handle.
*/
static int winFileControl(sqlite3_file *id, int op, void *pArg){

  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = ((winFile*)id)->locktype;
      return SQLITE_OK;
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = (int)((winFile*)id)->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      ((winFile*)id)->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      sqlite3_int64 sz = *(sqlite3_int64*)pArg;
      SimulateIOErrorBenign(1);
      winTruncate(id, sz);
      SimulateIOErrorBenign(0);
      return SQLITE_OK;









    }
    case SQLITE_FCNTL_SYNC_OMITTED: {
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_WIN32_AV_RETRY: {
      int *a = (int*)pArg;
      if( a[0]>0 ){
................................................................................

  SimulateIOError( return SQLITE_IOERR_ACCESS; );
  zConverted = convertUtf8Filename(zFilename);
  if( zConverted==0 ){
    return SQLITE_NOMEM;
  }
  if( isNT() ){

    WIN32_FILE_ATTRIBUTE_DATA sAttrData;
    memset(&sAttrData, 0, sizeof(sAttrData));
    if( GetFileAttributesExW((WCHAR*)zConverted,
                             GetFileExInfoStandard, 
                             &sAttrData) ){

      /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file
      ** as if it does not exist.
      */
      if(    flags==SQLITE_ACCESS_EXISTS
          && sAttrData.nFileSizeHigh==0 
          && sAttrData.nFileSizeLow==0 ){
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{

      if( GetLastError()!=ERROR_FILE_NOT_FOUND ){
        winLogError(SQLITE_IOERR_ACCESS, "winAccess", zFilename);
        free(zConverted);
        return SQLITE_IOERR_ACCESS;
      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
................................................................................
  free(zConverted);
  switch( flags ){
    case SQLITE_ACCESS_READ:
    case SQLITE_ACCESS_EXISTS:
      rc = attr!=INVALID_FILE_ATTRIBUTES;
      break;
    case SQLITE_ACCESS_READWRITE:

      rc = (attr & FILE_ATTRIBUTE_READONLY)==0;
      break;
    default:
      assert(!"Invalid flags argument");
  }
  *pResOut = rc;
  return SQLITE_OK;
}







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** portability layer.
*/
typedef struct winFile winFile;
struct winFile {
  const sqlite3_io_methods *pMethod; /*** Must be first ***/
  sqlite3_vfs *pVfs;      /* The VFS used to open this file */
  HANDLE h;               /* Handle for accessing the file */
  u8 locktype;            /* Type of lock currently held on this file */
  short sharedLockByte;   /* Randomly chosen byte used as a shared lock */
  u8 bPersistWal;         /* True to persist WAL files */
  DWORD lastErrno;        /* The Windows errno from the last I/O error */
  DWORD sectorSize;       /* Sector size of the device file is on */
  winShm *pShm;           /* Instance of shared memory on this file */
  const char *zPath;      /* Full pathname of this file */
  int szChunk;            /* Chunk size configured by FCNTL_CHUNK_SIZE */
#if SQLITE_OS_WINCE
  WCHAR *zDeleteOnClose;  /* Name of file to delete when closing */
................................................................................
  return rc;
}

/*
** Control and query of the open file handle.
*/
static int winFileControl(sqlite3_file *id, int op, void *pArg){
  winFile *pFile = (winFile*)id;
  switch( op ){
    case SQLITE_FCNTL_LOCKSTATE: {
      *(int*)pArg = pFile->locktype;
      return SQLITE_OK;
    }
    case SQLITE_LAST_ERRNO: {
      *(int*)pArg = (int)pFile->lastErrno;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_CHUNK_SIZE: {
      pFile->szChunk = *(int *)pArg;
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SIZE_HINT: {
      sqlite3_int64 sz = *(sqlite3_int64*)pArg;
      SimulateIOErrorBenign(1);
      winTruncate(id, sz);
      SimulateIOErrorBenign(0);
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_PERSIST_WAL: {
      int bPersist = *(int*)pArg;
      if( bPersist<0 ){
        *(int*)pArg = pFile->bPersistWal;
      }else{
        pFile->bPersistWal = bPersist!=0;
      }
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_SYNC_OMITTED: {
      return SQLITE_OK;
    }
    case SQLITE_FCNTL_WIN32_AV_RETRY: {
      int *a = (int*)pArg;
      if( a[0]>0 ){
................................................................................

  SimulateIOError( return SQLITE_IOERR_ACCESS; );
  zConverted = convertUtf8Filename(zFilename);
  if( zConverted==0 ){
    return SQLITE_NOMEM;
  }
  if( isNT() ){
    int cnt = 0;
    WIN32_FILE_ATTRIBUTE_DATA sAttrData;
    memset(&sAttrData, 0, sizeof(sAttrData));
    while( !(rc = GetFileAttributesExW((WCHAR*)zConverted,
                             GetFileExInfoStandard, 
                             &sAttrData)) && retryIoerr(&cnt) ){}
    if( rc ){
      /* For an SQLITE_ACCESS_EXISTS query, treat a zero-length file
      ** as if it does not exist.
      */
      if(    flags==SQLITE_ACCESS_EXISTS
          && sAttrData.nFileSizeHigh==0 
          && sAttrData.nFileSizeLow==0 ){
        attr = INVALID_FILE_ATTRIBUTES;
      }else{
        attr = sAttrData.dwFileAttributes;
      }
    }else{
      logIoerr(cnt);
      if( GetLastError()!=ERROR_FILE_NOT_FOUND ){
        winLogError(SQLITE_IOERR_ACCESS, "winAccess", zFilename);
        free(zConverted);
        return SQLITE_IOERR_ACCESS;
      }else{
        attr = INVALID_FILE_ATTRIBUTES;
      }
................................................................................
  free(zConverted);
  switch( flags ){
    case SQLITE_ACCESS_READ:
    case SQLITE_ACCESS_EXISTS:
      rc = attr!=INVALID_FILE_ATTRIBUTES;
      break;
    case SQLITE_ACCESS_READWRITE:
      rc = attr!=INVALID_FILE_ATTRIBUTES &&
             (attr & FILE_ATTRIBUTE_READONLY)==0;
      break;
    default:
      assert(!"Invalid flags argument");
  }
  *pResOut = rc;
  return SQLITE_OK;
}

Changes to src/sqlite.h.in.

748
749
750
751
752
753
754














755
756
757
758
759
760
761
762
763
764
765

766
767
768
769
770
771
772
** to be adjusted.  The values are changed for all database connections
** within the same process.  The argument is a pointer to an array of two
** integers where the first integer i the new retry count and the second
** integer is the delay.  If either integer is negative, then the setting
** is not changed but instead the prior value of that setting is written
** into the array entry, allowing the current retry settings to be
** interrogated.  The zDbName parameter is ignored.














** 
*/
#define SQLITE_FCNTL_LOCKSTATE        1
#define SQLITE_GET_LOCKPROXYFILE      2
#define SQLITE_SET_LOCKPROXYFILE      3
#define SQLITE_LAST_ERRNO             4
#define SQLITE_FCNTL_SIZE_HINT        5
#define SQLITE_FCNTL_CHUNK_SIZE       6
#define SQLITE_FCNTL_FILE_POINTER     7
#define SQLITE_FCNTL_SYNC_OMITTED     8
#define SQLITE_FCNTL_WIN32_AV_RETRY   9


/*
** CAPI3REF: Mutex Handle
**
** The mutex module within SQLite defines [sqlite3_mutex] to be an
** abstract type for a mutex object.  The SQLite core never looks
** at the internal representation of an [sqlite3_mutex].  It only







>
>
>
>
>
>
>
>
>
>
>
>
>
>











>







748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
** to be adjusted.  The values are changed for all database connections
** within the same process.  The argument is a pointer to an array of two
** integers where the first integer i the new retry count and the second
** integer is the delay.  If either integer is negative, then the setting
** is not changed but instead the prior value of that setting is written
** into the array entry, allowing the current retry settings to be
** interrogated.  The zDbName parameter is ignored.
**
** ^The [SQLITE_FCNTL_PERSIST_WAL] opcode is used to set or query the
** persistent [WAL | Write AHead Log] setting.  By default, the auxiliary
** write ahead log and shared memory files used for transaction control
** are automatically deleted when the latest connection to the database
** closes.  Setting persistent WAL mode causes those files to persist after
** close.  Persisting the files is useful when other processes that do not
** have write permission on the directory containing the database file want
** to read the database file, as the WAL and shared memory files must exist
** in order for the database to be readable.  The fourth parameter to
** [sqlite3_file_control()] for this opcode should be a pointer to an integer.
** That integer is 0 to disable persistent WAL mode or 1 to enable persistent
** WAL mode.  If the integer is -1, then it is overwritten with the current
** WAL persistence setting.
** 
*/
#define SQLITE_FCNTL_LOCKSTATE        1
#define SQLITE_GET_LOCKPROXYFILE      2
#define SQLITE_SET_LOCKPROXYFILE      3
#define SQLITE_LAST_ERRNO             4
#define SQLITE_FCNTL_SIZE_HINT        5
#define SQLITE_FCNTL_CHUNK_SIZE       6
#define SQLITE_FCNTL_FILE_POINTER     7
#define SQLITE_FCNTL_SYNC_OMITTED     8
#define SQLITE_FCNTL_WIN32_AV_RETRY   9
#define SQLITE_FCNTL_PERSIST_WAL     10

/*
** CAPI3REF: Mutex Handle
**
** The mutex module within SQLite defines [sqlite3_mutex] to be an
** abstract type for a mutex object.  The SQLite core never looks
** at the internal representation of an [sqlite3_mutex].  It only

Changes to src/test1.c.

5125
5126
5127
5128
5129
5130
5131
































5132
5133
5134
5135
5136
5137
5138
....
5924
5925
5926
5927
5928
5929
5930

5931
5932
5933
5934
5935
5936
5937
  if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
  sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
  Tcl_AppendResult(interp, z, (char*)0);
  return TCL_OK;  
}


































/*
** tclcmd:   sqlite3_vfs_list
**
**   Return a tcl list containing the names of all registered vfs's.
*/
static int vfs_list(
................................................................................
     { "vfs_reregister_all",         vfs_reregister_all,  0   },
     { "file_control_test",          file_control_test,   0   },
     { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
     { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
     { "file_control_chunksize_test", file_control_chunksize_test,  0   },
     { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
     { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },

     { "sqlite3_vfs_list",           vfs_list,     0   },
     { "sqlite3_create_function_v2", test_create_function_v2, 0 },

     /* Functions from os.h */
#ifndef SQLITE_OMIT_UTF16
     { "add_test_collate",        test_collate, 0            },
     { "add_test_collate_needed", test_collate_needed, 0     },







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>
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>
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>
>







 







>







5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
....
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
  if( Tcl_GetIntFromObj(interp, objv[3], &a[1]) ) return TCL_ERROR;
  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_WIN32_AV_RETRY, (void*)a);
  sqlite3_snprintf(sizeof(z), z, "%d %d %d", rc, a[0], a[1]);
  Tcl_AppendResult(interp, z, (char*)0);
  return TCL_OK;  
}

/*
** tclcmd:   file_control_persist_wal DB PERSIST-FLAG
**
** This TCL command runs the sqlite3_file_control interface with
** the SQLITE_FCNTL_PERSIST_WAL opcode.
*/
static int file_control_persist_wal(
  ClientData clientData, /* Pointer to sqlite3_enable_XXX function */
  Tcl_Interp *interp,    /* The TCL interpreter that invoked this command */
  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  sqlite3 *db;
  int rc;
  int bPersist;
  char z[100];

  if( objc!=3 ){
    Tcl_AppendResult(interp, "wrong # args: should be \"",
        Tcl_GetStringFromObj(objv[0], 0), " DB FLAG", 0);
    return TCL_ERROR;
  }
  if( getDbPointer(interp, Tcl_GetString(objv[1]), &db) ){
    return TCL_ERROR;
  }
  if( Tcl_GetIntFromObj(interp, objv[2], &bPersist) ) return TCL_ERROR;
  rc = sqlite3_file_control(db, NULL, SQLITE_FCNTL_PERSIST_WAL, (void*)&bPersist);
  sqlite3_snprintf(sizeof(z), z, "%d %d", rc, bPersist);
  Tcl_AppendResult(interp, z, (char*)0);
  return TCL_OK;  
}


/*
** tclcmd:   sqlite3_vfs_list
**
**   Return a tcl list containing the names of all registered vfs's.
*/
static int vfs_list(
................................................................................
     { "vfs_reregister_all",         vfs_reregister_all,  0   },
     { "file_control_test",          file_control_test,   0   },
     { "file_control_lasterrno_test", file_control_lasterrno_test,  0   },
     { "file_control_lockproxy_test", file_control_lockproxy_test,  0   },
     { "file_control_chunksize_test", file_control_chunksize_test,  0   },
     { "file_control_sizehint_test",  file_control_sizehint_test,   0   },
     { "file_control_win32_av_retry", file_control_win32_av_retry,  0   },
     { "file_control_persist_wal",    file_control_persist_wal,     0   },
     { "sqlite3_vfs_list",           vfs_list,     0   },
     { "sqlite3_create_function_v2", test_create_function_v2, 0 },

     /* Functions from os.h */
#ifndef SQLITE_OMIT_UTF16
     { "add_test_collate",        test_collate, 0            },
     { "add_test_collate_needed", test_collate_needed, 0     },

Changes to src/test_multiplex.c.

410
411
412
413
414
415
416
417
418

419
420
421
422
423
424
425
static void multiplexSubClose(
  multiplexGroup *pGroup,
  int iChunk,
  sqlite3_vfs *pOrigVfs
){
  sqlite3_file *pSubOpen = pGroup->aReal[iChunk].p;
  if( pSubOpen ){
    if( pOrigVfs ) pOrigVfs->xDelete(pOrigVfs, pGroup->aReal[iChunk].z, 0);
    pSubOpen->pMethods->xClose(pSubOpen);

    sqlite3_free(pGroup->aReal[iChunk].p);
  }
  sqlite3_free(pGroup->aReal[iChunk].z);
  memset(&pGroup->aReal[iChunk], 0, sizeof(pGroup->aReal[iChunk]));
}

/*







<

>







410
411
412
413
414
415
416

417
418
419
420
421
422
423
424
425
static void multiplexSubClose(
  multiplexGroup *pGroup,
  int iChunk,
  sqlite3_vfs *pOrigVfs
){
  sqlite3_file *pSubOpen = pGroup->aReal[iChunk].p;
  if( pSubOpen ){

    pSubOpen->pMethods->xClose(pSubOpen);
    if( pOrigVfs ) pOrigVfs->xDelete(pOrigVfs, pGroup->aReal[iChunk].z, 0);
    sqlite3_free(pGroup->aReal[iChunk].p);
  }
  sqlite3_free(pGroup->aReal[iChunk].z);
  memset(&pGroup->aReal[iChunk], 0, sizeof(pGroup->aReal[iChunk]));
}

/*

Changes to src/vdbe.c.

1033
1034
1035
1036
1037
1038
1039





1040
1041
1042
1043
1044
1045
1046
    assert( pOut<=&aMem[p->nMem] );
    assert( pIn1<=&aMem[p->nMem] );
    assert( memIsValid(pIn1) );
    memAboutToChange(p, pOut);
    zMalloc = pOut->zMalloc;
    pOut->zMalloc = 0;
    sqlite3VdbeMemMove(pOut, pIn1);





    pIn1->zMalloc = zMalloc;
    REGISTER_TRACE(p2++, pOut);
    pIn1++;
    pOut++;
  }
  break;
}







>
>
>
>
>







1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
    assert( pOut<=&aMem[p->nMem] );
    assert( pIn1<=&aMem[p->nMem] );
    assert( memIsValid(pIn1) );
    memAboutToChange(p, pOut);
    zMalloc = pOut->zMalloc;
    pOut->zMalloc = 0;
    sqlite3VdbeMemMove(pOut, pIn1);
#ifdef SQLITE_DEBUG
    if( pOut->pScopyFrom>=&aMem[p1] && pOut->pScopyFrom<&aMem[p1+pOp->p3] ){
      pOut->pScopyFrom += p1 - pOp->p2;
    }
#endif
    pIn1->zMalloc = zMalloc;
    REGISTER_TRACE(p2++, pOut);
    pIn1++;
    pOut++;
  }
  break;
}

Changes to src/wal.c.

1800
1801
1802
1803
1804
1805
1806

1807
1808
1809
1810
1811
1812

1813
1814
1815
1816
1817
1818
1819
1820
    ** the database. In this case checkpoint the database and unlink both
    ** the wal and wal-index files.
    **
    ** The EXCLUSIVE lock is not released before returning.
    */
    rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE);
    if( rc==SQLITE_OK ){

      if( pWal->exclusiveMode==WAL_NORMAL_MODE ){
        pWal->exclusiveMode = WAL_EXCLUSIVE_MODE;
      }
      rc = sqlite3WalCheckpoint(
          pWal, SQLITE_CHECKPOINT_PASSIVE, 0, 0, sync_flags, nBuf, zBuf, 0, 0
      );

      if( rc==SQLITE_OK ){
        isDelete = 1;
      }
    }

    walIndexClose(pWal, isDelete);
    sqlite3OsClose(pWal->pWalFd);
    if( isDelete ){







>






>
|







1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
    ** the database. In this case checkpoint the database and unlink both
    ** the wal and wal-index files.
    **
    ** The EXCLUSIVE lock is not released before returning.
    */
    rc = sqlite3OsLock(pWal->pDbFd, SQLITE_LOCK_EXCLUSIVE);
    if( rc==SQLITE_OK ){
      int bPersistWal = -1;
      if( pWal->exclusiveMode==WAL_NORMAL_MODE ){
        pWal->exclusiveMode = WAL_EXCLUSIVE_MODE;
      }
      rc = sqlite3WalCheckpoint(
          pWal, SQLITE_CHECKPOINT_PASSIVE, 0, 0, sync_flags, nBuf, zBuf, 0, 0
      );
      sqlite3OsFileControl(pWal->pDbFd, SQLITE_FCNTL_PERSIST_WAL, &bPersistWal);
      if( rc==SQLITE_OK && bPersistWal!=1 ){
        isDelete = 1;
      }
    }

    walIndexClose(pWal, isDelete);
    sqlite3OsClose(pWal->pWalFd);
    if( isDelete ){

Changes to src/where.c.

2138
2139
2140
2141
2142
2143
2144

2145
2146
2147
2148
2149
2150
2151
....
2188
2189
2190
2191
2192
2193
2194

2195
2196
2197
2198
2199
2200
2201
  ** to this virtual table */
  for(i=nTerm=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    if( pTerm->leftCursor != pSrc->iCursor ) continue;
    assert( (pTerm->eOperator&(pTerm->eOperator-1))==0 );
    testcase( pTerm->eOperator==WO_IN );
    testcase( pTerm->eOperator==WO_ISNULL );
    if( pTerm->eOperator & (WO_IN|WO_ISNULL) ) continue;

    nTerm++;
  }

  /* If the ORDER BY clause contains only columns in the current 
  ** virtual table then allocate space for the aOrderBy part of
  ** the sqlite3_index_info structure.
  */
................................................................................

  for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    if( pTerm->leftCursor != pSrc->iCursor ) continue;
    assert( (pTerm->eOperator&(pTerm->eOperator-1))==0 );
    testcase( pTerm->eOperator==WO_IN );
    testcase( pTerm->eOperator==WO_ISNULL );
    if( pTerm->eOperator & (WO_IN|WO_ISNULL) ) continue;

    pIdxCons[j].iColumn = pTerm->u.leftColumn;
    pIdxCons[j].iTermOffset = i;
    pIdxCons[j].op = (u8)pTerm->eOperator;
    /* The direct assignment in the previous line is possible only because
    ** the WO_ and SQLITE_INDEX_CONSTRAINT_ codes are identical.  The
    ** following asserts verify this fact. */
    assert( WO_EQ==SQLITE_INDEX_CONSTRAINT_EQ );







>







 







>







2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
....
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
  ** to this virtual table */
  for(i=nTerm=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    if( pTerm->leftCursor != pSrc->iCursor ) continue;
    assert( (pTerm->eOperator&(pTerm->eOperator-1))==0 );
    testcase( pTerm->eOperator==WO_IN );
    testcase( pTerm->eOperator==WO_ISNULL );
    if( pTerm->eOperator & (WO_IN|WO_ISNULL) ) continue;
    if( pTerm->wtFlags & TERM_VNULL ) continue;
    nTerm++;
  }

  /* If the ORDER BY clause contains only columns in the current 
  ** virtual table then allocate space for the aOrderBy part of
  ** the sqlite3_index_info structure.
  */
................................................................................

  for(i=j=0, pTerm=pWC->a; i<pWC->nTerm; i++, pTerm++){
    if( pTerm->leftCursor != pSrc->iCursor ) continue;
    assert( (pTerm->eOperator&(pTerm->eOperator-1))==0 );
    testcase( pTerm->eOperator==WO_IN );
    testcase( pTerm->eOperator==WO_ISNULL );
    if( pTerm->eOperator & (WO_IN|WO_ISNULL) ) continue;
    if( pTerm->wtFlags & TERM_VNULL ) continue;
    pIdxCons[j].iColumn = pTerm->u.leftColumn;
    pIdxCons[j].iTermOffset = i;
    pIdxCons[j].op = (u8)pTerm->eOperator;
    /* The direct assignment in the previous line is possible only because
    ** the WO_ and SQLITE_INDEX_CONSTRAINT_ codes are identical.  The
    ** following asserts verify this fact. */
    assert( WO_EQ==SQLITE_INDEX_CONSTRAINT_EQ );

Changes to test/permutations.test.

519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
...
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
...
868
869
870
871
872
873
874
875
  e_fts3.test fts3cov.test fts3malloc.test fts3rnd.test
  fts3snippet.test

  # Exclude test scripts that use tcl IO to access journal files or count
  # the number of fsync() calls.
  pager.test exclusive.test jrnlmode.test sync.test misc1.test 
  journal1.test conflict.test crash8.test tkt3457.test io.test
  journal3.test

  pager1.test async4.test corrupt.test filefmt.test pager2.test
  corrupt5.test corruptA.test pageropt.test

  # Exclude stmt.test, which expects sub-journals to use temporary files.
  stmt.test

  # WAL mode is different.
  wal* tkt-2d1a5c67d.test
}]

ifcapable mem3 {
  test_suite "memsys3" -description {
    Run tests using the allocator in mem3.c.
  } -files [test_set $::allquicktests -exclude {
    autovacuum.test           delete3.test              manydb.test
................................................................................
} -initialize {
  catch {db close}
  register_jt_vfs -default ""
} -shutdown {
  unregister_jt_vfs
} -files [test_set $::allquicktests -exclude {
  wal* incrvacuum.test ioerr.test corrupt4.test io.test crash8.test 
  async4.test bigfile.test
}]

if {[info commands register_demovfs] != ""} {
  test_suite "demovfs" -description {
    Check that the demovfs (code in test_demovfs.c) more or less works.
  } -initialize {
    register_demovfs
................................................................................
      if {[llength $argv]>1} { set extra [list -files [lrange $argv 1 end]] }
      eval run_tests $suite $::testspec($suite) $extra
    }
  }
  main $argv
  finish_test
}








|








|







 







|







 







<
519
520
521
522
523
524
525
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540
541
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...
725
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728
729
730
731
732
733
734
735
736
737
738
739
...
868
869
870
871
872
873
874

  e_fts3.test fts3cov.test fts3malloc.test fts3rnd.test
  fts3snippet.test

  # Exclude test scripts that use tcl IO to access journal files or count
  # the number of fsync() calls.
  pager.test exclusive.test jrnlmode.test sync.test misc1.test 
  journal1.test conflict.test crash8.test tkt3457.test io.test
  journal3.test 8_3_names.test

  pager1.test async4.test corrupt.test filefmt.test pager2.test
  corrupt5.test corruptA.test pageropt.test

  # Exclude stmt.test, which expects sub-journals to use temporary files.
  stmt.test

  # WAL mode is different.
  wal* tkt-2d1a5c67d.test backcompat.test
}]

ifcapable mem3 {
  test_suite "memsys3" -description {
    Run tests using the allocator in mem3.c.
  } -files [test_set $::allquicktests -exclude {
    autovacuum.test           delete3.test              manydb.test
................................................................................
} -initialize {
  catch {db close}
  register_jt_vfs -default ""
} -shutdown {
  unregister_jt_vfs
} -files [test_set $::allquicktests -exclude {
  wal* incrvacuum.test ioerr.test corrupt4.test io.test crash8.test 
  async4.test bigfile.test backcompat.test
}]

if {[info commands register_demovfs] != ""} {
  test_suite "demovfs" -description {
    Check that the demovfs (code in test_demovfs.c) more or less works.
  } -initialize {
    register_demovfs
................................................................................
      if {[llength $argv]>1} { set extra [list -files [lrange $argv 1 end]] }
      eval run_tests $suite $::testspec($suite) $extra
    }
  }
  main $argv
  finish_test
}

Added test/tkt-d635236375.test.













































































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# 2011 August 3
#
# 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 file implements regression tests for SQLite library.  The
# focus of this file is testing that bug [d63523637517386191d634e]
# has been fixed.
#

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

set ::testprefix tkt-d635236375

do_test 1.0 {
  execsql {
    CREATE TABLE t1(id1 INTEGER PRIMARY KEY);
    INSERT INTO t1 VALUES(9999);
    CREATE TABLE t2(id2 INTEGER PRIMARY KEY);
    INSERT INTO t2 VALUES(12345);
    INSERT INTO t2 VALUES(54321);
    SELECT DISTINCT id1 AS x, id1 AS y FROM t1, t2;
  }
} {9999 9999}
do_test 1.1 {
  execsql {
    SELECT count(*) FROM t1, t2 GROUP BY id1, id1;
  }
} {2}


finish_test

Added test/vtabF.test.



























































































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# 2011 Aug 1
#
# 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 file implements regression tests for SQLite library. 
# This file checks to make sure IS NOT NULL constraints work on
# virtual tables.
#

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

ifcapable !vtab||!schema_pragmas { finish_test ; return }

# Register the echo module
register_echo_module [sqlite3_connection_pointer db]

do_test vtabE-1.1 {
  execsql {
    CREATE TABLE t1(a, b);
    CREATE INDEX i1 ON t1(a);
    CREATE INDEX i2 ON t1(b);
    INSERT INTO t1 VALUES(10,110);
    INSERT INTO t1 VALUES(11,111);
    INSERT INTO t1 SELECT a+2, b+2 FROM t1;
    INSERT INTO t1 SELECT null, b+4 FROM t1;
    INSERT INTO t1 SELECT null, b+8 FROM t1;
    INSERT INTO t1 SELECT null, b+16 FROM t1;
    ANALYZE;
    CREATE VIRTUAL TABLE tv1 USING echo(t1);
    SELECT b FROM t1 WHERE a IS NOT NULL;
  }
} {110 111 112 113}
do_test vtabE-1.2 {
  execsql {SELECT b FROM tv1 WHERE a IS NOT NULL}
} {110 111 112 113}


finish_test

Changes to test/wal5.test.

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    } {}
    do_test 2.3.$tn.2 { file_page_counts } {1 5 1 5}
    do_test 2.3.$tn.3 { sql2 { BEGIN; SELECT * FROM t1 } } {1 2}
    do_test 2.3.$tn.4 { sql1 { INSERT INTO t1 VALUES(3, 4) } } {}
    do_test 2.3.$tn.5 { sql1 { INSERT INTO t2 VALUES(3, 4) } } {}
    do_test 2.3.$tn.6 { file_page_counts } {1 7 1 7}
    do_test 2.3.$tn.7 { code1 { do_wal_checkpoint db -mode full } } {1 7 5}
    if {$tcl_platform(platform) == "windows"} {
        # on unix, the size_hint is a no-op if no chunk size is set.
        # the windows implementation does not have a similar check,
        # and because of this, the db file size has an extra page.
        do_test 2.3.$tn.8 { file_page_counts } {2 7 2 7}
    } {
        do_test 2.3.$tn.8 { file_page_counts } {1 7 2 7}
    }
  }

  # Check that checkpoints block on the correct locks. And respond correctly
  # if they cannot obtain those locks. There are three locks that a checkpoint
  # may block on (in the following order):
  #
  #   1. The writer lock: FULL and RESTART checkpoints block until any writer
................................................................................

    do_test 3.$tn.6 { code3 { do_wal_checkpoint db3 } } {0 0 0}
  }
}


finish_test








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    } {}
    do_test 2.3.$tn.2 { file_page_counts } {1 5 1 5}
    do_test 2.3.$tn.3 { sql2 { BEGIN; SELECT * FROM t1 } } {1 2}
    do_test 2.3.$tn.4 { sql1 { INSERT INTO t1 VALUES(3, 4) } } {}
    do_test 2.3.$tn.5 { sql1 { INSERT INTO t2 VALUES(3, 4) } } {}
    do_test 2.3.$tn.6 { file_page_counts } {1 7 1 7}
    do_test 2.3.$tn.7 { code1 { do_wal_checkpoint db -mode full } } {1 7 5}




    do_test 2.3.$tn.8 { file_page_counts } {2 7 2 7}



  }

  # Check that checkpoints block on the correct locks. And respond correctly
  # if they cannot obtain those locks. There are three locks that a checkpoint
  # may block on (in the following order):
  #
  #   1. The writer lock: FULL and RESTART checkpoints block until any writer
................................................................................

    do_test 3.$tn.6 { code3 { do_wal_checkpoint db3 } } {0 0 0}
  }
}


finish_test

Added test/walpersist.test.









































































































































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# 2011 July 26
#
# 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 file contains tests for using WAL with persistent WAL file mode.
#

set testdir [file dirname $argv0]
source $testdir/tester.tcl
source $testdir/lock_common.tcl
set ::testprefix walpersist

do_test walpersist-1.0 {
  db eval {
    PRAGMA journal_mode=WAL;
    CREATE TABLE t1(a);
    INSERT INTO t1 VALUES(randomblob(5000));
  }
  file exists test.db-wal
} {1}
do_test walpersist-1.1 {
  file exists test.db-shm
} {1}
do_test walpersist-1.2 {
  db close
  list [file exists test.db] [file exists test.db-wal] [file exists test.db-shm]
} {1 0 0}
do_test walpersist-1.3 {
  sqlite3 db test.db
  db eval {SELECT length(a) FROM t1}
} {5000}
do_test walpersist-1.4 {
  list [file exists test.db] [file exists test.db-wal] [file exists test.db-shm]
} {1 1 1}
do_test walpersist-1.5 {
  file_control_persist_wal db -1
} {0 0}
do_test walpersist-1.6 {
  file_control_persist_wal db 1
} {0 1}
do_test walpersist-1.7 {
  file_control_persist_wal db -1
} {0 1}
do_test walpersist-1.8 {
  file_control_persist_wal db 0
} {0 0}
do_test walpersist-1.9 {
  file_control_persist_wal db -1
} {0 0}
do_test walpersist-1.10 {
  file_control_persist_wal db 1
} {0 1}
do_test walpersist-1.11 {
  db close
  list [file exists test.db] [file exists test.db-wal] [file exists test.db-shm]
} {1 1 1}

  


finish_test

Changes to test/win32lock.test.

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       set ::msg
    } {disk I/O error}
    break
  } else {
    do_test win32lock-1.2-$delay1 {
       set ::msg
    } {1 100000 2 50000 3 25000 4 12500}
    if {$::log!=""} {
      do_test win32lock-1.2-$delay1-log1 {
        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
    incr delay1 50
  }







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       set ::msg
    } {disk I/O error}
    break
  } else {
    do_test win32lock-1.2-$delay1 {
       set ::msg
    } {1 100000 2 50000 3 25000 4 12500}
    if {[info exists ::log] && $::log!=""} {
      do_test win32lock-1.2-$delay1-log1 {
        regsub {\d+} $::log # x
        set x
      } {{delayed #ms for lock/sharing conflict}}
    }
    incr delay1 50
  }