SQLite

  UNUSED_PARAM2(iUnused1, iUnused2);

  if( (tflags & FTS5_TOKEN_COLOCATED)==0 ) p->iOff++;
  for(i=0; i<pExpr->nPhrase; i++){
    Fts5ExprTerm *pTerm;
    if( p->aPopulator[i].bOk==0 ) continue;
    for(pTerm=&pExpr->apExprPhrase[i]->aTerm[0]; pTerm; pTerm=pTerm->pSynonym){
      int nTerm = (int)strlen(pTerm->zTerm);
      if( (nTerm==nToken || (nTerm<nToken && pTerm->bPrefix))
       && memcmp(pTerm->zTerm, pToken, nTerm)==0
      ){
        int rc = sqlite3Fts5PoslistWriterAppend(
            &pExpr->apExprPhrase[i]->poslist, &p->aPopulator[i].writer, p->iOff
        );
        if( rc ) return rc;

      if( rc!=SQLITE_OK && pzErrMsg ){
        *pzErrMsg = sqlite3_mprintf("%s", sqlite3_errmsg(pC->db));
      }
    }
  }

  *ppStmt = p->aStmt[eStmt];
  sqlite3_reset(*ppStmt);
  return rc;
}


static int fts5ExecPrintf(
  sqlite3 *db,
  char **pzErr,

    rc = sqlite3Fts5IndexSetCookie(p->pIndex, iNew);
    if( rc==SQLITE_OK ){
      p->pConfig->iCookie = iNew;
    }
  }
  return rc;
}

*/
u32 sqlite3ExprListFlags(const ExprList *pList){
  int i;
  u32 m = 0;
  if( pList ){
    for(i=0; i<pList->nExpr; i++){
       Expr *pExpr = pList->a[i].pExpr;
       assert( pExpr!=0 );
       m |= pExpr->flags;
    }
  }
  return m;
}

/*
** These routines are Walker callbacks used to check expressions to

      break;
    }
    case TK_NOT: {
      testcase( jumpIfNull==0 );
      sqlite3ExprIfFalse(pParse, pExpr->pLeft, dest, jumpIfNull);
      break;
    }
    case TK_IS:
    case TK_ISNOT:
      testcase( op==TK_IS );
      testcase( op==TK_ISNOT );
      op = (op==TK_IS) ? TK_EQ : TK_NE;
      jumpIfNull = SQLITE_NULLEQ;
      /* Fall thru */
    case TK_LT:
    case TK_LE:
    case TK_GT:
    case TK_GE:
    case TK_NE:
    case TK_EQ: {
      testcase( jumpIfNull==0 );
      r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, &regFree1);
      r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, &regFree2);
      codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
                  r1, r2, dest, jumpIfNull);
      assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
      assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
      assert(TK_GT==OP_Gt); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt);
      assert(TK_GE==OP_Ge); testcase(op==OP_Ge); VdbeCoverageIf(v,op==OP_Ge);
      assert(TK_EQ==OP_Eq); testcase(op==OP_Eq);
      VdbeCoverageIf(v, op==OP_Eq && jumpIfNull==SQLITE_NULLEQ);
      VdbeCoverageIf(v, op==OP_Eq && jumpIfNull!=SQLITE_NULLEQ);
      assert(TK_NE==OP_Ne); testcase(op==OP_Ne);













      VdbeCoverageIf(v, op==OP_Ne && jumpIfNull==SQLITE_NULLEQ);
      VdbeCoverageIf(v, op==OP_Ne && jumpIfNull!=SQLITE_NULLEQ);
      testcase( regFree1==0 );
      testcase( regFree2==0 );
      break;
    }
    case TK_ISNULL:
    case TK_NOTNULL: {
      assert( TK_ISNULL==OP_IsNull );   testcase( op==TK_ISNULL );

      break;
    }
    case TK_NOT: {
      testcase( jumpIfNull==0 );
      sqlite3ExprIfTrue(pParse, pExpr->pLeft, dest, jumpIfNull);
      break;
    }
    case TK_IS:
    case TK_ISNOT:
      testcase( pExpr->op==TK_IS );
      testcase( pExpr->op==TK_ISNOT );
      op = (pExpr->op==TK_IS) ? TK_NE : TK_EQ;
      jumpIfNull = SQLITE_NULLEQ;
      /* Fall thru */
    case TK_LT:
    case TK_LE:
    case TK_GT:
    case TK_GE:
    case TK_NE:
    case TK_EQ: {
      testcase( jumpIfNull==0 );
      r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, &regFree1);
      r2 = sqlite3ExprCodeTemp(pParse, pExpr->pRight, &regFree2);
      codeCompare(pParse, pExpr->pLeft, pExpr->pRight, op,
                  r1, r2, dest, jumpIfNull);
      assert(TK_LT==OP_Lt); testcase(op==OP_Lt); VdbeCoverageIf(v,op==OP_Lt);
      assert(TK_LE==OP_Le); testcase(op==OP_Le); VdbeCoverageIf(v,op==OP_Le);
      assert(TK_GT==OP_Gt); testcase(op==OP_Gt); VdbeCoverageIf(v,op==OP_Gt);
      assert(TK_GE==OP_Ge); testcase(op==OP_Ge); VdbeCoverageIf(v,op==OP_Ge);
      assert(TK_EQ==OP_Eq); testcase(op==OP_Eq);
      VdbeCoverageIf(v, op==OP_Eq && jumpIfNull!=SQLITE_NULLEQ);
      VdbeCoverageIf(v, op==OP_Eq && jumpIfNull==SQLITE_NULLEQ);
      assert(TK_NE==OP_Ne); testcase(op==OP_Ne);













      VdbeCoverageIf(v, op==OP_Ne && jumpIfNull!=SQLITE_NULLEQ);
      VdbeCoverageIf(v, op==OP_Ne && jumpIfNull==SQLITE_NULLEQ);
      testcase( regFree1==0 );
      testcase( regFree2==0 );
      break;
    }
    case TK_ISNULL:
    case TK_NOTNULL: {
      r1 = sqlite3ExprCodeTemp(pParse, pExpr->pLeft, &regFree1);

** (3) The file has not been renamed or unlinked
**
** Issue sqlite3_log(SQLITE_WARNING,...) messages if anything is not right.
*/
static void verifyDbFile(unixFile *pFile){
  struct stat buf;
  int rc;

  /* These verifications occurs for the main database only */
  if( pFile->ctrlFlags & UNIXFILE_NOLOCK ) return;

  rc = osFstat(pFile->h, &buf);
  if( rc!=0 ){
    sqlite3_log(SQLITE_WARNING, "cannot fstat db file %s", pFile->zPath);
    return;
  }
  if( buf.st_nlink==0 && (pFile->ctrlFlags & UNIXFILE_DELETE)==0 ){
    sqlite3_log(SQLITE_WARNING, "file unlinked while open: %s", pFile->zPath);

#endif
  }
#if SQLITE_ENABLE_LOCKING_STYLE || defined(__APPLE__)
  else{
    p->openFlags = openFlags;
  }
#endif



  
#if defined(__APPLE__) || SQLITE_ENABLE_LOCKING_STYLE
  if( fstatfs(fd, &fsInfo) == -1 ){
    storeLastErrno(p, errno);
    robust_close(p, fd, __LINE__);
    return SQLITE_IOERR_ACCESS;
  }
  if (0 == strncmp("msdos", fsInfo.f_fstypename, 5)) {
    ((unixFile*)pFile)->fsFlags |= SQLITE_FSFLAGS_IS_MSDOS;
  }
  if (0 == strncmp("exfat", fsInfo.f_fstypename, 5)) {
    ((unixFile*)pFile)->fsFlags |= SQLITE_FSFLAGS_IS_MSDOS;
  }
#endif

  /* Set up appropriate ctrlFlags */
  if( isDelete )                ctrlFlags |= UNIXFILE_DELETE;
  if( isReadonly )              ctrlFlags |= UNIXFILE_RDONLY;
  noLock = eType!=SQLITE_OPEN_MAIN_DB;
  if( noLock )                  ctrlFlags |= UNIXFILE_NOLOCK;
  if( syncDir )                 ctrlFlags |= UNIXFILE_DIRSYNC;
  if( flags & SQLITE_OPEN_URI ) ctrlFlags |= UNIXFILE_URI;
#if defined(SQLITE_ENABLE_PERSIST_WAL)
  if( eType==SQLITE_OPEN_MAIN_DB ) {
    ctrlFlags |= UNIXFILE_PERSIST_WAL;
  }

  /*
  **   PRAGMA [schema.]schema_version
  **   PRAGMA [schema.]schema_version = <integer>
  **
  **   PRAGMA [schema.]user_version
  **   PRAGMA [schema.]user_version = <integer>
  **
  **   PRAGMA [schema.]freelist_count
  **
  **   PRAGMA [schema.]data_version
  **
  **   PRAGMA [schema.]application_id
  **   PRAGMA [schema.]application_id = <integer>
  **
  ** The pragma's schema_version and user_version are used to set or get
  ** the value of the schema-version and user-version, respectively. Both
  ** the schema-version and the user-version are 32-bit signed integers

      aOp = sqlite3VdbeAddOpList(v, ArraySize(readCookie),readCookie,0);
      if( ONLY_IF_REALLOC_STRESS(aOp==0) ) break;
      aOp[0].p1 = iDb;
      aOp[1].p1 = iDb;
      aOp[1].p3 = iCookie;
      sqlite3VdbeSetNumCols(v, 1);
      sqlite3VdbeSetColName(v, 0, COLNAME_NAME, zLeft, SQLITE_TRANSIENT);
      sqlite3VdbeReusable(v);
    }
  }
  break;
#endif /* SQLITE_OMIT_SCHEMA_VERSION_PRAGMAS */

#ifndef SQLITE_OMIT_COMPILEOPTION_DIAGS
  /*

    const char *zOpt;
    pParse->nMem = 1;
    setOneColumnName(v, "compile_option");
    while( (zOpt = sqlite3_compileoption_get(i++))!=0 ){
      sqlite3VdbeLoadString(v, 1, zOpt);
      sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 1);
    }
    sqlite3VdbeReusable(v);
  }
  break;
#endif /* SQLITE_OMIT_COMPILEOPTION_DIAGS */

#ifndef SQLITE_OMIT_WAL
  /*
  **   PRAGMA [schema.]wal_checkpoint = passive|full|restart|truncate

  int objc,              /* Number of arguments */
  Tcl_Obj *CONST objv[]  /* Command arguments */
){
  Tcl_CmdInfo cmdInfo;
  sqlite3 *db;
  int rc;
  char *zDb;

  char *zFile;
  char *zProc = 0;

  char *zErr = 0;

  if( objc!=4 && objc!=3 ){
    Tcl_WrongNumArgs(interp, 1, objv, "DB-HANDLE FILE ?PROC?");
    return TCL_ERROR;
  }
  zDb = Tcl_GetString(objv[1]);

  zFile = Tcl_GetString(objv[2]);
  if( objc==4 ){
    zProc = Tcl_GetString(objv[3]);
  }


  /* Extract the C database handle from the Tcl command name */
  if( !Tcl_GetCommandInfo(interp, zDb, &cmdInfo) ){
    Tcl_AppendResult(interp, "command not found: ", zDb, (char*)0);
    return TCL_ERROR;
  }
  db = ((struct SqliteDb*)cmdInfo.objClientData)->db;
  assert(db);

  /* Call the underlying C function. If an error occurs, set rc to 
  ** TCL_ERROR and load any error string into the interpreter. If no 
  ** error occurs, set rc to TCL_OK.
  */
#ifdef SQLITE_OMIT_LOAD_EXTENSION
  rc = SQLITE_ERROR;
  zErr = sqlite3_mprintf("this build omits sqlite3_load_extension()");
  (void)zProc;
  (void)zFile;
#else
  rc = sqlite3_load_extension(db, zFile, zProc, &zErr);
#endif
  if( rc!=SQLITE_OK ){
    Tcl_SetResult(interp, zErr ? zErr : "", TCL_VOLATILE);
    rc = TCL_ERROR;
  }else{

#endif

#ifdef SQLITE_DEBUG
  Tcl_SetVar2(interp, "sqlite_options", "debug", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "debug", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_DEFAULT_CKPTFULLFSYNC
  Tcl_SetVar2(interp, "sqlite_options", "default_ckptfullfsync", 
              SQLITE_DEFAULT_CKPTFULLFSYNC ? "1" : "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "default_ckptfullfsync", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_DIRECT_OVERFLOW_READ
  Tcl_SetVar2(interp, "sqlite_options", "direct_read", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "direct_read", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_DISABLE_DIRSYNC
  Tcl_SetVar2(interp, "sqlite_options", "dirsync", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "dirsync", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_DISABLE_LFS
  Tcl_SetVar2(interp, "sqlite_options", "lfs", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "lfs", "1", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS
  Tcl_SetVar2(interp, "sqlite_options", "pagecache_overflow_stats","0",TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "pagecache_overflow_stats","1",TCL_GLOBAL_ONLY);
#endif

#if SQLITE_MAX_MMAP_SIZE>0
  Tcl_SetVar2(interp, "sqlite_options", "mmap", "1", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "mmap", "0", TCL_GLOBAL_ONLY);
#endif

#ifdef SQLITE_OMIT_TCL_VARIABLE
  Tcl_SetVar2(interp, "sqlite_options", "tclvar", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "tclvar", "1", TCL_GLOBAL_ONLY);
#endif

  Tcl_SetVar2(interp, "sqlite_options", "threadsafe", 
      SQLITE_THREADSAFE ? "1" : "0", TCL_GLOBAL_ONLY);
  Tcl_SetVar2(interp, "sqlite_options", "threadsafe1", 
      SQLITE_THREADSAFE==1 ? "1" : "0", TCL_GLOBAL_ONLY);
  Tcl_SetVar2(interp, "sqlite_options", "threadsafe2", 
      SQLITE_THREADSAFE==2 ? "1" : "0", TCL_GLOBAL_ONLY);
  assert( sqlite3_threadsafe()==SQLITE_THREADSAFE );

#ifdef SQLITE_OMIT_TEMPDB
  Tcl_SetVar2(interp, "sqlite_options", "tempdb", "0", TCL_GLOBAL_ONLY);
#else
  Tcl_SetVar2(interp, "sqlite_options", "tempdb", "1", TCL_GLOBAL_ONLY);
#endif

int sqlite3VdbeDeletePriorOpcode(Vdbe*, u8 op);
void sqlite3VdbeChangeP4(Vdbe*, int addr, const char *zP4, int N);
void sqlite3VdbeSetP4KeyInfo(Parse*, Index*);
void sqlite3VdbeUsesBtree(Vdbe*, int);
VdbeOp *sqlite3VdbeGetOp(Vdbe*, int);
int sqlite3VdbeMakeLabel(Vdbe*);
void sqlite3VdbeRunOnlyOnce(Vdbe*);
void sqlite3VdbeReusable(Vdbe*);
void sqlite3VdbeDelete(Vdbe*);
void sqlite3VdbeClearObject(sqlite3*,Vdbe*);
void sqlite3VdbeMakeReady(Vdbe*,Parse*);
int sqlite3VdbeFinalize(Vdbe*);
void sqlite3VdbeResolveLabel(Vdbe*, int);
int sqlite3VdbeCurrentAddr(Vdbe*);
#ifdef SQLITE_DEBUG

/*
** Mark the VDBE as one that can only be run one time.
*/
void sqlite3VdbeRunOnlyOnce(Vdbe *p){
  p->runOnlyOnce = 1;
}

/*
** Mark the VDBE as one that can only be run multiple times.
*/
void sqlite3VdbeReusable(Vdbe *p){
  p->runOnlyOnce = 0;
}

#ifdef SQLITE_DEBUG /* sqlite3AssertMayAbort() logic */

/*
** The following type and function are used to iterate through all opcodes
** in a Vdbe main program and each of the sub-programs (triggers) it may 
** invoke directly or indirectly. It should be used as follows:

  pScan->pOrigWC = pWC;
  pScan->pWC = pWC;
  pScan->pIdxExpr = 0;
  if( pIdx ){
    j = iColumn;
    iColumn = pIdx->aiColumn[j];
    if( iColumn==XN_EXPR ) pScan->pIdxExpr = pIdx->aColExpr->a[j].pExpr;
    if( iColumn==pIdx->pTable->iPKey ) iColumn = XN_ROWID;
  }
  if( pIdx && iColumn>=0 ){
    pScan->idxaff = pIdx->pTable->aCol[iColumn].affinity;
    pScan->zCollName = pIdx->azColl[j];
  }else{
    pScan->idxaff = 0;
    pScan->zCollName = 0;

  WhereClause *pWC;
  WhereTerm *pTerm;
  WhereLoop *pLoop;
  int iCur;
  int j;
  Table *pTab;
  Index *pIdx;

  pWInfo = pBuilder->pWInfo;
  if( pWInfo->wctrlFlags & WHERE_FORCE_TABLE ) return 0;
  assert( pWInfo->pTabList->nSrc>=1 );
  pItem = pWInfo->pTabList->a;
  pTab = pItem->pTab;
  if( IsVirtual(pTab) ) return 0;
  if( pItem->fg.isIndexedBy ) return 0;

} {0 {}}
do_test capi3-11.9.3 {
  sqlite3_get_autocommit $DB
} 1
do_test capi3-11.10 {
  sqlite3_step $STMT
} {SQLITE_ROW}






do_test capi3-11.11 {
  sqlite3_step $STMT
} {SQLITE_DONE}
ifcapable api_armor {
  do_test capi3-11.12armor {
    sqlite3_step $STMT
    sqlite3_step $STMT
  } {SQLITE_MISUSE}
} else {
  do_test capi3-11.12 {
    sqlite3_step $STMT
    sqlite3_step $STMT
  } {SQLITE_ROW}
}
do_test capi3-11.13 {
  sqlite3_finalize $STMT
} {SQLITE_OK}
do_test capi3-11.14 {
  execsql {
    SELECT a FROM t2;
  }

} {0 {}}
do_test capi3c-11.9.3 {
  sqlite3_get_autocommit $DB
} 1
do_test capi3c-11.10 {
  sqlite3_step $STMT
} {SQLITE_ROW}






do_test capi3c-11.11 {
  sqlite3_step $STMT
} {SQLITE_DONE}
ifcapable api_armor {
  do_test capi3c-11.12armor {
    sqlite3_step $STMT
    sqlite3_step $STMT
  } {SQLITE_MISUSE}
} else {
  do_test capi3c-11.12 {
    sqlite3_step $STMT
    sqlite3_step $STMT
  } {SQLITE_ROW}
}
do_test capi3c-11.13 {
  sqlite3_finalize $STMT
} {SQLITE_OK}
do_test capi3c-11.14 {
  execsql {
    SELECT a FROM t2;
  }

    SELECT * FROM t1 WHERE c=='world';
  }
} {5 hello world 11 hello world 5}
do_test intpkey-3.8 {
  count {
    SELECT * FROM t1 WHERE c=='world' AND a>7;
  }
} {11 hello world 3}
do_test intpkey-3.9 {
  count {
    SELECT * FROM t1 WHERE 7<a;
  }
} {11 hello world 1}

# Test inequality constraints on integer primary keys and rowids

sqlite3_shutdown
sqlite3_config_pagecache [expr 1024+$xtra_size] 20
sqlite3_initialize
reset_highwater_marks
build_test_db memsubsys1-2 {PRAGMA page_size=1024; PRAGMA mmap_size=0}
#show_memstats
set MEMORY_MANAGEMENT $sqlite_options(memorymanage)
ifcapable pagecache_overflow_stats {
  ifcapable !malloc_usable_size {

    do_test memsubsys1-2.3 {
      set pg_ovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 2]
    } [expr ($TEMP_STORE>1 || $MEMORY_MANAGEMENT==0)*1024]
  }
}
do_test memsubsys1-2.4 {
  set pg_used [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_USED 0] 2]

# Tests mutex1-2.* test the three thread-safety related modes that
# can be selected using sqlite3_config:
#
#   * Serialized mode,
#   * Multi-threaded mode,
#   * Single-threaded mode.
#
ifcapable threadsafe1&&shared_cache {
  set enable_shared_cache [sqlite3_enable_shared_cache 1]
  foreach {mode mutexes} {
    singlethread {}
    multithread  {
      fast static_app1 static_app2 static_app3
      static_lru static_master static_mem static_open
      static_prng static_pmem static_vfs1 static_vfs2

    -DSQLITE_THREADSAFE=2
    --enable-json1 --enable-fts5
  }
  "Locking-Style" {
    -O2
    -DSQLITE_ENABLE_LOCKING_STYLE=1
  }
  "Apple" {
    -O1   # Avoid a compiler bug in gcc 4.2.1 build 5658
    -DHAVE_GMTIME_R=1
    -DHAVE_ISNAN=1
    -DHAVE_LOCALTIME_R=1
    -DHAVE_PREAD=1
    -DHAVE_PWRITE=1
    -DHAVE_USLEEP=1
    -DHAVE_USLEEP=1
    -DHAVE_UTIME=1
    -DSQLITE_DEFAULT_CACHE_SIZE=1000
    -DSQLITE_DEFAULT_CKPTFULLFSYNC=1
    -DSQLITE_DEFAULT_MEMSTATUS=1
    -DSQLITE_DEFAULT_PAGE_SIZE=1024
    -DSQLITE_DISABLE_PAGECACHE_OVERFLOW_STATS=1
    -DSQLITE_ENABLE_API_ARMOR=1
    -DSQLITE_ENABLE_AUTO_PROFILE=1

    -DSQLITE_ENABLE_FLOCKTIMEOUT=1
    -DSQLITE_ENABLE_FTS3=1
    -DSQLITE_ENABLE_FTS3_PARENTHESIS=1
    -DSQLITE_ENABLE_FTS3_TOKENIZER=1
    if:os=="Darwin" -DSQLITE_ENABLE_LOCKING_STYLE=1
    -DSQLITE_ENABLE_PERSIST_WAL=1
    -DSQLITE_ENABLE_PURGEABLE_PCACHE=1
    -DSQLITE_ENABLE_RTREE=1
    -DSQLITE_ENABLE_SNAPSHOT=1
    # -DSQLITE_ENABLE_SQLLOG=1
    -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT=1
    -DSQLITE_MAX_LENGTH=2147483645
    -DSQLITE_MAX_VARIABLE_NUMBER=500000
    # -DSQLITE_MEMDEBUG=1
    -DSQLITE_NO_SYNC=1
    -DSQLITE_OMIT_AUTORESET=1
    -DSQLITE_OMIT_LOAD_EXTENSION=1
    -DSQLITE_PREFER_PROXY_LOCKING=1
    -DSQLITE_SERIES_CONSTRAINT_VERIFY=1
    -DSQLITE_THREADSAFE=2
    -DSQLITE_USE_URI=1
    -DSQLITE_WRITE_WALFRAME_PREBUFFERED=1
    -DUSE_GUARDED_FD=1
    -DUSE_PREAD=1
    --enable-json1 --enable-fts5
  }
  "Extra-Robustness" {
    -DSQLITE_ENABLE_OVERSIZE_CELL_CHECK=1
    -DSQLITE_MAX_ATTACHED=62
  }
  "Devkit" {

    "Secure-Delete"           test
    "Unlock-Notify"           "QUICKTEST_INCLUDE=notify2.test test"
    "Update-Delete-Limit"     test
    "Extra-Robustness"        test
    "Device-Two"              test
    "No-lookaside"            test
    "Devkit"                  test
    "Apple"                   test
    "Sanitize"                {QUICKTEST_OMIT=func4.test,nan.test test}
    "Device-One"              fulltest
    "Default"                 "threadtest fulltest"
    "Valgrind"                valgrindtest
  }
  Linux-i686 {
    "Devkit"                  test
    "Have-Not"                test
    "Unlock-Notify"           "QUICKTEST_INCLUDE=notify2.test test"
    "Device-One"              test
    "Device-Two"              test
    "Default"                 "threadtest fulltest"
  }
  Darwin-i386 {
    "Locking-Style"           "mptest test"
    "Have-Not"                test
    "Apple"                   "threadtest fulltest"
  }
  Darwin-x86_64 {
    "Locking-Style"           "mptest test"
    "Have-Not"                test
    "Apple"                   "threadtest fulltest"
  }
  "Windows NT-intel" {
    "Have-Not"                test
    "Default"                 "mptest fulltestonly"
  }
  "Windows NT-amd64" {
    "Have-Not"                test

  # CFLAGS is only passed to gcc.
  #
  set makeOpts ""
  set cflags [expr {$::MSVC ? "-Zi" : "-g"}]
  set opts ""
  set title ${name}($testtarget)
  set configOpts $::WITHTCL
  set skip 0

  regsub -all {#[^\n]*\n} $config \n config
  foreach arg $config {
    if {$skip} {
      set skip 0
      continue
    }
    if {[regexp {^-[UD]} $arg]} {
      lappend opts $arg
    } elseif {[regexp {^[A-Z]+=} $arg]} {
      lappend testtarget $arg
    } elseif {[regexp {^if:([a-z]+)(.*)} $arg all key tail]} {
      # Arguments of the form 'if:os=="Linux"' will cause the subsequent
      # argument to be skipped if the $tcl_platform(os) is not "Linux", for
      # example...
      set skip [expr !(\$::tcl_platform($key)$tail)]
    } elseif {[regexp {^--(enable|disable)-} $arg]} {
      if {$::MSVC} {
        if {$arg eq "--disable-amalgamation"} {
          lappend makeOpts USE_AMALGAMATION=0
          continue
        }
        if {$arg eq "--disable-shared"} {

# Test that "PRAGMA checkpoint_fullsync" appears to be working.
#
foreach {tn sql reslist} {
  1 { }                                 {10 0 4 0 6 0}
  2 { PRAGMA checkpoint_fullfsync = 1 } {10 4 4 2 6 2}
  3 { PRAGMA checkpoint_fullfsync = 0 } {10 0 4 0 6 0}
} {
  ifcapable default_ckptfullfsync {
    if {[string trim $sql]==""} continue
  }
  faultsim_delete_and_reopen

  execsql {PRAGMA auto_vacuum = 0; PRAGMA synchronous = FULL;}
  execsql $sql
  do_execsql_test wal2-14.$tn.0 { PRAGMA page_size = 4096 }   {}
  do_execsql_test wal2-14.$tn.1 { PRAGMA journal_mode = WAL } {wal}

  
    testvfs T
    T filter {} 
    T script sync_counter
    sqlite3 db test.db -vfs T
  
    execsql "PRAGMA synchronous = $syncmode"
    execsql "PRAGMA checkpoint_fullfsync = 0"
    execsql { PRAGMA journal_mode = WAL }
    execsql { CREATE TABLE filler(a,b,c); }

    set ::syncs [list]
    T filter xSync
    execsql {
      CREATE TABLE x(y);

  const char **rhsalias;   /* An alias for each RHS symbol (NULL if none) */
  int line;                /* Line number at which code begins */
  const char *code;        /* The code executed when this rule is reduced */
  const char *codePrefix;  /* Setup code before code[] above */
  const char *codeSuffix;  /* Breakdown code after code[] above */
  struct symbol *precsym;  /* Precedence symbol for this rule */
  int index;               /* An index number for this rule */
  int iRule;               /* Rule number as used in the generated tables */
  Boolean canReduce;       /* True if this rule is ever reduced */
  struct rule *nextlhs;    /* Next rule with the same LHS */
  struct rule *next;       /* Next rule in the global list */
};

/* A configuration is a production rule of the grammar together with
** a mark (dot) showing how much of that rule has been processed so far.

/* The state vector for the entire parser generator is recorded as
** follows.  (LEMON uses no global variables and makes little use of
** static variables.  Fields in the following structure can be thought
** of as begin global variables in the program.) */
struct lemon {
  struct state **sorted;   /* Table of states sorted by state number */
  struct rule *rule;       /* List of all rules */
  struct rule *startRule;  /* First rule */
  int nstate;              /* Number of states */
  int nxstate;             /* nstate with tail degenerate states removed */
  int nrule;               /* Number of rules */
  int nsymbol;             /* Number of terminal and nonterminal symbols */
  int nterminal;           /* Number of terminal symbols */
  struct symbol **symbols; /* Sorted array of pointers to symbols */
  int errorcnt;            /* Number of errors */

  /* Find the start symbol */
  if( lemp->start ){
    sp = Symbol_find(lemp->start);
    if( sp==0 ){
      ErrorMsg(lemp->filename,0,
"The specified start symbol \"%s\" is not \
in a nonterminal of the grammar.  \"%s\" will be used as the start \
symbol instead.",lemp->start,lemp->startRule->lhs->name);
      lemp->errorcnt++;
      sp = lemp->startRule->lhs;
    }
  }else{
    sp = lemp->startRule->lhs;
  }

  /* Make sure the start symbol doesn't occur on the right-hand side of
  ** any rule.  Report an error if it does.  (YACC would generate a new
  ** start symbol in this case.) */
  for(rp=lemp->rule; rp; rp=rp->next){
    int i;

      }
    }
  }

  /* Add the accepting token */
  if( lemp->start ){
    sp = Symbol_find(lemp->start);
    if( sp==0 ) sp = lemp->startRule->lhs;
  }else{
    sp = lemp->startRule->lhs;
  }
  /* Add to the first state (which is always the starting state of the
  ** finite state machine) an action to ACCEPT if the lookahead is the
  ** start nonterminal.  */
  Action_add(&lemp->sorted[0]->ap,ACCEPT,sp,0);

  /* Resolve conflicts */

static void handle_T_option(char *z){
  user_templatename = (char *) malloc( lemonStrlen(z)+1 );
  if( user_templatename==0 ){
    memory_error();
  }
  lemon_strcpy(user_templatename, z);
}

/* Merge together to lists of rules order by rule.iRule */
static struct rule *Rule_merge(struct rule *pA, struct rule *pB){
  struct rule *pFirst = 0;
  struct rule **ppPrev = &pFirst;
  while( pA && pB ){
    if( pA->iRule<pB->iRule ){
      *ppPrev = pA;
      ppPrev = &pA->next;
      pA = pA->next;
    }else{
      *ppPrev = pB;
      ppPrev = &pB->next;
      pB = pB->next;
    }
  }
  if( pA ){
    *ppPrev = pA;
  }else{
    *ppPrev = pB;
  }
  return pFirst;
}

/*
** Sort a list of rules in order of increasing iRule value
*/
static struct rule *Rule_sort(struct rule *rp){
  int i;
  struct rule *pNext;
  struct rule *x[32];
  memset(x, 0, sizeof(x));
  while( rp ){
    pNext = rp->next;
    rp->next = 0;
    for(i=0; i<sizeof(x)/sizeof(x[0]) && x[i]; i++){
      rp = Rule_merge(x[i], rp);
      x[i] = 0;
    }
    x[i] = rp;
    rp = pNext;
  }
  rp = 0;
  for(i=0; i<sizeof(x)/sizeof(x[0]); i++){
    rp = Rule_merge(x[i], rp);
  }
  return rp;
}

/* forward reference */
static const char *minimum_size_type(int lwr, int upr, int *pnByte);

/* Print a single line of the "Parser Stats" output
*/
static void stats_line(const char *zLabel, int iValue){

    {OPT_FSTR, "T", (char*)handle_T_option, "Specify a template file."},
    {OPT_FSTR, "W", 0, "Ignored.  (Placeholder for '-W' compiler options.)"},
    {OPT_FLAG,0,0,0}
  };
  int i;
  int exitcode;
  struct lemon lem;
  struct rule *rp;

  OptInit(argv,options,stderr);
  if( version ){
     printf("Lemon version 1.0\n");
     exit(0); 
  }
  if( OptNArgs()!=1 ){

  qsort(lem.symbols,lem.nsymbol,sizeof(struct symbol*), Symbolcmpp);
  for(i=0; i<lem.nsymbol; i++) lem.symbols[i]->index = i;
  while( lem.symbols[i-1]->type==MULTITERMINAL ){ i--; }
  assert( strcmp(lem.symbols[i-1]->name,"{default}")==0 );
  lem.nsymbol = i - 1;
  for(i=1; ISUPPER(lem.symbols[i]->name[0]); i++);
  lem.nterminal = i;

  /* Assign sequential rule numbers */
  for(i=0, rp=lem.rule; rp; rp=rp->next){
    rp->iRule = rp->code ? i++ : -1;
  }
  for(rp=lem.rule; rp; rp=rp->next){
    if( rp->iRule<0 ) rp->iRule = i++;
  }
  lem.startRule = lem.rule;
  lem.rule = Rule_sort(lem.rule);

  /* Generate a reprint of the grammar, if requested on the command line */
  if( rpflag ){
    Reprint(&lem);
  }else{
    /* Initialize the size for all follow and first sets */
    SetSize(lem.nterminal+1);

    case SHIFT: {
      struct state *stp = ap->x.stp;
      fprintf(fp,"%*s shift        %-7d",indent,ap->sp->name,stp->statenum);
      break;
    }
    case REDUCE: {
      struct rule *rp = ap->x.rp;
      fprintf(fp,"%*s reduce       %-7d",indent,ap->sp->name,rp->iRule);
      RulePrint(fp, rp, -1);
      break;
    }
    case SHIFTREDUCE: {
      struct rule *rp = ap->x.rp;
      fprintf(fp,"%*s shift-reduce %-7d",indent,ap->sp->name,rp->iRule);
      RulePrint(fp, rp, -1);
      break;
    }
    case ACCEPT:
      fprintf(fp,"%*s accept",indent,ap->sp->name);
      break;
    case ERROR:
      fprintf(fp,"%*s error",indent,ap->sp->name);
      break;
    case SRCONFLICT:
    case RRCONFLICT:
      fprintf(fp,"%*s reduce       %-7d ** Parsing conflict **",
        indent,ap->sp->name,ap->x.rp->iRule);
      break;
    case SSCONFLICT:
      fprintf(fp,"%*s shift        %-7d ** Parsing conflict **", 
        indent,ap->sp->name,ap->x.stp->statenum);
      break;
    case SH_RESOLVED:
      if( showPrecedenceConflict ){
        fprintf(fp,"%*s shift        %-7d -- dropped by precedence",
                indent,ap->sp->name,ap->x.stp->statenum);
      }else{
        result = 0;
      }
      break;
    case RD_RESOLVED:
      if( showPrecedenceConflict ){
        fprintf(fp,"%*s reduce %-7d -- dropped by precedence",
                indent,ap->sp->name,ap->x.rp->iRule);
      }else{
        result = 0;
      }
      break;
    case NOT_USED:
      result = 0;
      break;

    stp = lemp->sorted[i];
    fprintf(fp,"State %d:\n",stp->statenum);
    if( lemp->basisflag ) cfp=stp->bp;
    else                  cfp=stp->cfp;
    while( cfp ){
      char buf[20];
      if( cfp->dot==cfp->rp->nrhs ){
        lemon_sprintf(buf,"(%d)",cfp->rp->iRule);
        fprintf(fp,"    %5s ",buf);
      }else{
        fprintf(fp,"          ");
      }
      ConfigPrint(fp,cfp);
      fprintf(fp,"\n");
#if 0

** Return negative if no action should be generated.
*/
PRIVATE int compute_action(struct lemon *lemp, struct action *ap)
{
  int act;
  switch( ap->type ){
    case SHIFT:  act = ap->x.stp->statenum;                        break;
    case SHIFTREDUCE: act = ap->x.rp->iRule + lemp->nstate;        break;
    case REDUCE: act = ap->x.rp->iRule + lemp->nstate+lemp->nrule; break;
    case ERROR:  act = lemp->nstate + lemp->nrule*2;               break;
    case ACCEPT: act = lemp->nstate + lemp->nrule*2 + 1;           break;
    default:     act = -1; break;
  }
  return act;
}

  tplt_xfer(lemp->name,in,out,&lineno);

  /* Generate a table containing a text string that describes every
  ** rule in the rule set of the grammar.  This information is used
  ** when tracing REDUCE actions.
  */
  for(i=0, rp=lemp->rule; rp; rp=rp->next, i++){
    assert( rp->iRule==i );
    fprintf(out," /* %3d */ \"", i);
    writeRuleText(out, rp);
    fprintf(out,"\",\n"); lineno++;
  }
  tplt_xfer(lemp->name,in,out,&lineno);

  /* Generate code which executes every time a symbol is popped from

    fprintf(out,"        YYMINORTYPE yylhsminor;\n"); lineno++;
  }
  /* First output rules other than the default: rule */
  for(rp=lemp->rule; rp; rp=rp->next){
    struct rule *rp2;               /* Other rules with the same action */
    if( rp->code==0 ) continue;
    if( rp->code[0]=='\n' && rp->code[1]==0 ) continue; /* Will be default: */
    fprintf(out,"      case %d: /* ", rp->iRule);
    writeRuleText(out, rp);
    fprintf(out, " */\n"); lineno++;
    for(rp2=rp->next; rp2; rp2=rp2->next){
      if( rp2->code==rp->code ){
        fprintf(out,"      case %d: /* ", rp2->iRule);
        writeRuleText(out, rp2);
        fprintf(out," */ yytestcase(yyruleno==%d);\n", rp2->iRule); lineno++;
        rp2->code = 0;
      }
    }
    emit_code(out,rp,lemp,&lineno);
    fprintf(out,"        break;\n"); lineno++;
    rp->code = 0;
  }
  /* Finally, output the default: rule.  We choose as the default: all
  ** empty actions. */
  fprintf(out,"      default:\n"); lineno++;
  for(rp=lemp->rule; rp; rp=rp->next){
    if( rp->code==0 ) continue;
    assert( rp->code[0]=='\n' && rp->code[1]==0 );
    fprintf(out,"      /* (%d) ", rp->iRule);
    writeRuleText(out, rp);
    fprintf(out, " */ yytestcase(yyruleno==%d);\n", rp->iRule); lineno++;
  }
  fprintf(out,"        break;\n"); lineno++;
  tplt_xfer(lemp->name,in,out,&lineno);

  /* Generate code which executes if a parse fails */
  tplt_print(out,lemp,lemp->failure,&lineno);
  tplt_xfer(lemp->name,in,out,&lineno);

}
#endif

/*
** Find the appropriate action for a parser given the terminal
** look-ahead token iLookAhead.
*/
static unsigned int yy_find_shift_action(
  yyParser *pParser,        /* The parser */
  YYCODETYPE iLookAhead     /* The look-ahead token */
){
  int i;
  int stateno = pParser->yystack[pParser->yyidx].stateno;
 
  if( stateno>=YY_MIN_REDUCE ) return stateno;

/*
** Perform a reduce action and the shift that must immediately
** follow the reduce.
*/
static void yy_reduce(
  yyParser *yypParser,         /* The parser */
  unsigned int yyruleno        /* Number of the rule by which to reduce */
){
  int yygoto;                     /* The next state */
  int yyact;                      /* The next action */
  yyStackEntry *yymsp;            /* The top of the parser's stack */
  int yysize;                     /* Amount to pop the stack */
  ParseARG_FETCH;
  yymsp = &yypParser->yystack[yypParser->yyidx];
#ifndef NDEBUG

  if( yyTraceFILE && yyruleno<(int)(sizeof(yyRuleName)/sizeof(yyRuleName[0])) ){
    yysize = yyRuleInfo[yyruleno].nrhs;
    fprintf(yyTraceFILE, "%sReduce [%s], go to state %d.\n", yyTracePrompt,
      yyRuleName[yyruleno], yymsp[-yysize].stateno);
  }
#endif /* NDEBUG */

  /* Check that the stack is large enough to grow by a single entry

  **  #line <lineno> <thisfile>
  **     break;
  */
/********** Begin reduce actions **********************************************/
%%
/********** End reduce actions ************************************************/
  };
  assert( yyruleno<sizeof(yyRuleInfo)/sizeof(yyRuleInfo[0]) );
  yygoto = yyRuleInfo[yyruleno].lhs;
  yysize = yyRuleInfo[yyruleno].nrhs;
  yyact = yy_find_reduce_action(yymsp[-yysize].stateno,(YYCODETYPE)yygoto);
  if( yyact <= YY_MAX_SHIFTREDUCE ){
    if( yyact>YY_MAX_SHIFT ) yyact += YY_MIN_REDUCE - YY_MIN_SHIFTREDUCE;
    yypParser->yyidx -= yysize - 1;
    yymsp -= yysize-1;

void Parse(
  void *yyp,                   /* The parser */
  int yymajor,                 /* The major token code number */
  ParseTOKENTYPE yyminor       /* The value for the token */
  ParseARG_PDECL               /* Optional %extra_argument parameter */
){
  YYMINORTYPE yyminorunion;
  unsigned int yyact;   /* The parser action. */
#if !defined(YYERRORSYMBOL) && !defined(YYNOERRORRECOVERY)
  int yyendofinput;     /* True if we are at the end of input */
#endif
#ifdef YYERRORSYMBOL
  int yyerrorhit = 0;   /* True if yymajor has invoked an error */
#endif
  yyParser *yypParser;  /* The parser */

  int rc;
  char *zErrMsg = 0;
  char *zSql;
  sqlite3_stmt *pStmt;
  char *zTab = 0;
  FILE *out = stdout;
  void (*xDiff)(const char*,FILE*) = diff_one_table;
#ifndef SQLITE_OMIT_LOAD_EXTENSION
  int nExt = 0;
  char **azExt = 0;
#endif
  int useTransaction = 0;
  int neverUseTransaction = 0;

  g.zArgv0 = argv[0];
  sqlite3_config(SQLITE_CONFIG_SINGLETHREAD);
  for(i=1; i<argc; i++){
    const char *z = argv[i];

  sqlite3_enable_load_extension(g.db, 1);
  for(i=0; i<nExt; i++){
    rc = sqlite3_load_extension(g.db, azExt[i], 0, &zErrMsg);
    if( rc || zErrMsg ){
      cmdlineError("error loading %s: %s", azExt[i], zErrMsg);
    }
  }

  free(azExt);
#endif
  zSql = sqlite3_mprintf("ATTACH %Q as aux;", zDb2);
  rc = sqlite3_exec(g.db, zSql, 0, 0, &zErrMsg);
  if( rc || zErrMsg ){
    cmdlineError("cannot attach database \"%s\"", zDb2);
  }
  rc = sqlite3_exec(g.db, "SELECT * FROM aux.sqlite_master", 0, 0, &zErrMsg);
  if( rc || zErrMsg ){