Fossil

    /* Run all arguments that do not begin with '-' as if they were separate
    ** command-line inputs, except for the argToSkip argument which contains
    ** the database filename.
    */
    for(i=0; i<nCmd; i++){
      if( azCmd[i][0]=='.' ){
        rc = do_meta_command(azCmd[i], &data);
        if( rc ){
          free(azCmd);
          return rc==2 ? 0 : rc;
        }
      }else{
        open_db(&data, 0);
        rc = shell_exec(&data, azCmd[i], &zErrMsg);
        if( zErrMsg || rc ){
          if( zErrMsg!=0 ){
            utf8_printf(stderr,"Error: %s\n", zErrMsg);

          }else{
            utf8_printf(stderr,"Error: unable to process SQL: %s\n", azCmd[i]);
          }
          sqlite3_free(zErrMsg);
          free(azCmd);
          return rc!=0 ? rc : 1;
        }
      }
    }

  }else{
    /* Run commands received from standard input
    */
    if( stdin_is_interactive ){
      char *zHome;
      char *zHistory;
      int nHistory;

        free(zHistory);
      }
    }else{
      data.in = stdin;
      rc = process_input(&data);
    }
  }
  free(azCmd);
  set_table_name(&data, 0);
  if( data.db ){
    session_close_all(&data);
    close_db(data.db);
  }
  sqlite3_free(data.zFreeOnClose);
  find_home_dir(1);

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.34.0"
#define SQLITE_VERSION_NUMBER 3034000
#define SQLITE_SOURCE_ID      "2020-11-23 21:05:29 4f1573b146193e5d552981a9d1d11e50da4da4a843f790e4af1cf0cc19a0b020"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

#define SQLITE_IOERR_CONVPATH          (SQLITE_IOERR | (26<<8))
#define SQLITE_IOERR_VNODE             (SQLITE_IOERR | (27<<8))
#define SQLITE_IOERR_AUTH              (SQLITE_IOERR | (28<<8))
#define SQLITE_IOERR_BEGIN_ATOMIC      (SQLITE_IOERR | (29<<8))
#define SQLITE_IOERR_COMMIT_ATOMIC     (SQLITE_IOERR | (30<<8))
#define SQLITE_IOERR_ROLLBACK_ATOMIC   (SQLITE_IOERR | (31<<8))
#define SQLITE_IOERR_DATA              (SQLITE_IOERR | (32<<8))
#define SQLITE_IOERR_CORRUPTFS         (SQLITE_IOERR | (33<<8))
#define SQLITE_LOCKED_SHAREDCACHE      (SQLITE_LOCKED |  (1<<8))
#define SQLITE_LOCKED_VTAB             (SQLITE_LOCKED |  (2<<8))
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_BUSY_TIMEOUT            (SQLITE_BUSY   |  (3<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))

    AtomicStore(&db->u1.isInterrupted, 0);
    assert( db->lookaside.bDisable>0 );
    EnableLookaside;
  }
}

/*
** Take actions at the end of an API call to deal with error codes.
*/
static SQLITE_NOINLINE int apiHandleError(sqlite3 *db, int rc){
  if( db->mallocFailed || rc==SQLITE_IOERR_NOMEM ){
    sqlite3OomClear(db);
    sqlite3Error(db, SQLITE_NOMEM);
    return SQLITE_NOMEM_BKPT;
  }
  return rc & db->errMask;
}

/*
** This function must be called before exiting any API function (i.e.
** returning control to the user) that has called sqlite3_malloc or
** sqlite3_realloc.
**

SQLITE_PRIVATE int sqlite3ApiExit(sqlite3* db, int rc){
  /* If the db handle must hold the connection handle mutex here.
  ** Otherwise the read (and possible write) of db->mallocFailed
  ** is unsafe, as is the call to sqlite3Error().
  */
  assert( db!=0 );
  assert( sqlite3_mutex_held(db->mutex) );
  if( db->mallocFailed || rc ){
    return apiHandleError(db, rc);
  }
  return rc & db->errMask;
}

/************** End of malloc.c **********************************************/
/************** Begin file printf.c ******************************************/
/*

  }
#endif

  got = seekAndRead(pFile, offset, pBuf, amt);
  if( got==amt ){
    return SQLITE_OK;
  }else if( got<0 ){
    /* pFile->lastErrno has been set by seekAndRead().
    ** Usually we return SQLITE_IOERR_READ here, though for some
    ** kinds of errors we return SQLITE_IOERR_CORRUPTFS.  The
    ** SQLITE_IOERR_CORRUPTFS will be converted into SQLITE_CORRUPT
    ** prior to returning to the application by the sqlite3ApiExit()
    ** routine.
    */
    switch( pFile->lastErrno ){
      case ERANGE:
      case EIO:
#ifdef ENXIO
      case ENXIO:
#endif
#ifdef EDEVERR
      case EDEVERR:
#endif
        return SQLITE_IOERR_CORRUPTFS;
    }
    return SQLITE_IOERR_READ;
  }else{
    storeLastErrno(pFile, 0);   /* not a system error */
    /* Unread parts of the buffer must be zero-filled */
    memset(&((char*)pBuf)[got], 0, amt-got);
    return SQLITE_IOERR_SHORT_READ;
  }

      }

      if( bUnlock ){
        rc = unixShmSystemLock(pDbFd, F_UNLCK, ofst+UNIX_SHM_BASE, n);
        if( rc==SQLITE_OK ){
          memset(&aLock[ofst], 0, sizeof(int)*n);
        }
      }else if( ALWAYS(p->sharedMask & (1<<ofst)) ){
        assert( n==1 && aLock[ofst]>1 );
        aLock[ofst]--;
      }

      /* Undo the local locks */
      if( rc==SQLITE_OK ){
        p->exclMask &= ~mask;

    }
  }else{
    /* Make sure no sibling connections hold locks that will block this
    ** lock.  If any do, return SQLITE_BUSY right away.  */
    int ii;
    for(ii=ofst; ii<ofst+n; ii++){
      assert( (p->sharedMask & mask)==0 );
      if( ALWAYS((p->exclMask & (1<<ii))==0) && aLock[ii] ){
        rc = SQLITE_BUSY;
        break;
      }
    }

    /* Get the exclusive locks at the system level. Then if successful
    ** also update the in-memory values. */

  }else{
    *pResOut = osAccess(zPath, W_OK|R_OK)==0;
  }
  return SQLITE_OK;
}

/*
** If the last component of the pathname in z[0]..z[j-1] is something
** other than ".." then back it out and return true.  If the last
** component is empty or if it is ".." then return false.
*/
static int unixBackupDir(const char *z, int *pJ){
  int j = *pJ;
  int i;
  if( j<=0 ) return 0;
  for(i=j-1; ALWAYS(i>0) && z[i-1]!='/'; i--){}
  if( z[i]=='.' && i==j-2 && z[i+1]=='.' ) return 0;
  *pJ = i-1;
  return 1;
}

/*
** Convert a relative pathname into a full pathname.  Also
** simplify the pathname as follows:
**
**    Remove all instances of /./
**    Remove all isntances of /X/../ for any X
*/
static int mkFullPathname(
  const char *zPath,              /* Input path */
  char *zOut,                     /* Output buffer */
  int nOut                        /* Allocated size of buffer zOut */
){
  int nPath = sqlite3Strlen30(zPath);
  int iOff = 0;
  int i, j;
  if( zPath[0]!='/' ){
    if( osGetcwd(zOut, nOut-2)==0 ){
      return unixLogError(SQLITE_CANTOPEN_BKPT, "getcwd", zPath);
    }
    iOff = sqlite3Strlen30(zOut);
    zOut[iOff++] = '/';
  }
  if( (iOff+nPath+1)>nOut ){
    /* SQLite assumes that xFullPathname() nul-terminates the output buffer
    ** even if it returns an error.  */
    zOut[iOff] = '\0';
    return SQLITE_CANTOPEN_BKPT;
  }
  sqlite3_snprintf(nOut-iOff, &zOut[iOff], "%s", zPath);

  /* Remove duplicate '/' characters.  Except, two // at the beginning
  ** of a pathname is allowed since this is important on windows. */
  for(i=j=1; zOut[i]; i++){
    zOut[j++] = zOut[i];
    while( zOut[i]=='/' && zOut[i+1]=='/' ) i++;
  }
  zOut[j] = 0;

  assert( zOut[0]=='/' );
  for(i=j=0; zOut[i]; i++){
    if( zOut[i]=='/' ){
      /* Skip over internal "/." directory components */
      if( zOut[i+1]=='.' && zOut[i+2]=='/' ){
        i += 1;
        continue;
      }

      /* If this is a "/.." directory component then back out the
      ** previous term of the directory if it is something other than "..".
      */
      if( zOut[i+1]=='.'
       && zOut[i+2]=='.'
       && zOut[i+3]=='/'
       && unixBackupDir(zOut, &j)
      ){
        i += 2;
        continue;
      }
    }
    if( ALWAYS(j>=0) ) zOut[j] = zOut[i];
    j++;
  }
  if( NEVER(j==0) ) zOut[j++] = '/';
  zOut[j] = 0;
  return SQLITE_OK;
}

/*
** Turn a relative pathname into a full pathname. The relative path
** is stored as a nul-terminated string in the buffer pointed to by
** zPath.

** Do a comparison between a 64-bit signed integer and a 64-bit floating-point
** number.  Return negative, zero, or positive if the first (i64) is less than,
** equal to, or greater than the second (double).
*/
static int sqlite3IntFloatCompare(i64 i, double r){
  if( sizeof(LONGDOUBLE_TYPE)>8 ){
    LONGDOUBLE_TYPE x = (LONGDOUBLE_TYPE)i;
    testcase( x<r );
    testcase( x>r );
    testcase( x==r );
    if( x<r ) return -1;
    if( x>r ) return +1;  /*NO_TEST*/ /* work around bugs in gcov */
    return 0;             /*NO_TEST*/ /* work around bugs in gcov */
  }else{
    i64 y;
    double s;
    if( r<-9223372036854775808.0 ) return +1;
    if( r>=9223372036854775808.0 ) return -1;
    y = (i64)r;
    if( i<y ) return -1;

  ** opened for a database.  Since there is already an open cursor when this
  ** opcode is run, the sqlite3BtreeCursor() cannot fail */
  assert( rc==SQLITE_OK );
  break;
}


/* Opcode: OpenEphemeral P1 P2 P3 P4 P5
** Synopsis: nColumn=P2
**
** Open a new cursor P1 to a transient table.
** The cursor is always opened read/write even if
** the main database is read-only.  The ephemeral
** table is deleted automatically when the cursor is closed.
**
** If the cursor P1 is already opened on an ephemeral table, the table
** is cleared (all content is erased).
**
** P2 is the number of columns in the ephemeral table.
** The cursor points to a BTree table if P4==0 and to a BTree index
** if P4 is not 0.  If P4 is not NULL, it points to a KeyInfo structure
** that defines the format of keys in the index.
**
** The P5 parameter can be a mask of the BTREE_* flags defined
** in btree.h.  These flags control aspects of the operation of
** the btree.  The BTREE_OMIT_JOURNAL and BTREE_SINGLE flags are
** added automatically.
**
** If P3 is positive, then reg[P3] is modified slightly so that it
** can be used as zero-length data for OP_Insert.  This is an optimization
** that avoids an extra OP_Blob opcode to initialize that register.
*/
/* Opcode: OpenAutoindex P1 P2 * P4 *
** Synopsis: nColumn=P2
**
** This opcode works the same as OP_OpenEphemeral.  It has a
** different name to distinguish its use.  Tables created using
** by this opcode will be used for automatically created transient

      SQLITE_OPEN_READWRITE |
      SQLITE_OPEN_CREATE |
      SQLITE_OPEN_EXCLUSIVE |
      SQLITE_OPEN_DELETEONCLOSE |
      SQLITE_OPEN_TRANSIENT_DB;
  assert( pOp->p1>=0 );
  assert( pOp->p2>=0 );
  if( pOp->p3>0 ){
    /* Make register reg[P3] into a value that can be used as the data
    ** form sqlite3BtreeInsert() where the length of the data is zero. */
    assert( pOp->p2==0 ); /* Only used when number of columns is zero */
    assert( pOp->opcode==OP_OpenEphemeral );
    assert( aMem[pOp->p3].flags & MEM_Null );
    aMem[pOp->p3].n = 0;
    aMem[pOp->p3].z = "";
  }
  pCx = p->apCsr[pOp->p1];
  if( pCx && pCx->pBtx ){
    /* If the ephermeral table is already open, erase all existing content
    ** so that the table is empty again, rather than creating a new table. */
    assert( pCx->isEphemeral );
    pCx->seqCount = 0;
    pCx->cacheStatus = CACHE_STALE;

    }
  }
  if( pOp->p5 & OPFLAG_ISNOOP ) break;
#endif

  if( pOp->p5 & OPFLAG_NCHANGE ) p->nChange++;
  if( pOp->p5 & OPFLAG_LASTROWID ) db->lastRowid = x.nKey;
  assert( (pData->flags & (MEM_Blob|MEM_Str))!=0 || pData->n==0 );
  x.pData = pData->z;
  x.nData = pData->n;
  seekResult = ((pOp->p5 & OPFLAG_USESEEKRESULT) ? pC->seekResult : 0);
  if( pData->flags & MEM_Zero ){
    x.nZero = pData->u.nZero;
  }else{
    x.nZero = 0;

#endif  /* NDEBUG */
  }  /* The end of the for(;;) loop the loops through opcodes */

  /* If we reach this point, it means that execution is finished with
  ** an error of some kind.
  */
abort_due_to_error:
  if( db->mallocFailed ){
    rc = SQLITE_NOMEM_BKPT;
  }else if( rc==SQLITE_IOERR_CORRUPTFS ){
    rc = SQLITE_CORRUPT_BKPT;
  }
  assert( rc );
  if( p->zErrMsg==0 && rc!=SQLITE_IOERR_NOMEM ){
    sqlite3VdbeError(p, "%s", sqlite3ErrStr(rc));
  }
  p->rc = rc;
  sqlite3SystemError(db, rc);
  testcase( sqlite3GlobalConfig.xLog!=0 );

    pEList = pSelect->pEList;
    assert( pEList!=0 );
    for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
      int iCol = -1;
      Expr *pE, *pDup;
      if( pItem->done ) continue;
      pE = sqlite3ExprSkipCollateAndLikely(pItem->pExpr);
      if( NEVER(pE==0) ) continue;
      if( sqlite3ExprIsInteger(pE, &iCol) ){
        if( iCol<=0 || iCol>pEList->nExpr ){
          resolveOutOfRangeError(pParse, "ORDER", i+1, pEList->nExpr);
          return 1;
        }
      }else{
        iCol = resolveAsName(pParse, pEList, pE);

  if( pOrderBy==0 ) return 0;
  nResult = pSelect->pEList->nExpr;
  pParse = pNC->pParse;
  for(i=0, pItem=pOrderBy->a; i<pOrderBy->nExpr; i++, pItem++){
    Expr *pE = pItem->pExpr;
    Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pE);
    if( NEVER(pE2==0) ) continue;
    if( zType[0]!='G' ){
      iCol = resolveAsName(pParse, pSelect->pEList, pE2);
      if( iCol>0 ){
        /* If an AS-name match is found, mark this ORDER BY column as being
        ** a copy of the iCol-th result-set column.  The subsequent call to
        ** sqlite3ResolveOrderGroupBy() will convert the expression to a
        ** copy of the iCol-th result-set expression. */

/*
** Convert a scalar expression node to a TK_REGISTER referencing
** register iReg.  The caller must ensure that iReg already contains
** the correct value for the expression.
*/
static void exprToRegister(Expr *pExpr, int iReg){
  Expr *p = sqlite3ExprSkipCollateAndLikely(pExpr);
  if( NEVER(p==0) ) return;
  p->op2 = p->op;
  p->op = TK_REGISTER;
  p->iTable = iReg;
  ExprClearProperty(p, EP_Skip);
}

/*

** code to fill the register in the initialization section of the
** VDBE program, in order to factor it out of the evaluation loop.
*/
SQLITE_PRIVATE int sqlite3ExprCodeTemp(Parse *pParse, Expr *pExpr, int *pReg){
  int r2;
  pExpr = sqlite3ExprSkipCollateAndLikely(pExpr);
  if( ConstFactorOk(pParse)
   && ALWAYS(pExpr!=0)
   && pExpr->op!=TK_REGISTER
   && sqlite3ExprIsConstantNotJoin(pExpr)
  ){
    *pReg  = 0;
    r2 = sqlite3ExprCodeRunJustOnce(pParse, pExpr, -1);
  }else{
    int r1 = sqlite3GetTempReg(pParse);

    VFUNCTION(last_insert_rowid, 0, 0, 0, last_insert_rowid),
    VFUNCTION(changes,           0, 0, 0, changes          ),
    VFUNCTION(total_changes,     0, 0, 0, total_changes    ),
    FUNCTION(replace,            3, 0, 0, replaceFunc      ),
    FUNCTION(zeroblob,           1, 0, 0, zeroblobFunc     ),
    FUNCTION(substr,             2, 0, 0, substrFunc       ),
    FUNCTION(substr,             3, 0, 0, substrFunc       ),
    FUNCTION(substring,          2, 0, 0, substrFunc       ),
    FUNCTION(substring,          3, 0, 0, substrFunc       ),
    WAGGREGATE(sum,   1,0,0, sumStep, sumFinalize, sumFinalize, sumInverse, 0),
    WAGGREGATE(total, 1,0,0, sumStep,totalFinalize,totalFinalize,sumInverse, 0),
    WAGGREGATE(avg,   1,0,0, sumStep, avgFinalize, avgFinalize, sumInverse, 0),
    WAGGREGATE(count, 0,0,0, countStep,
        countFinalize, countFinalize, countInverse, SQLITE_FUNC_COUNT  ),
    WAGGREGATE(count, 1,0,0, countStep,
        countFinalize, countFinalize, countInverse, 0  ),

  int i, j;                   /* Loop counters */
  u32 cnt;                    /* Index added to make the name unique */
  Column *aCol, *pCol;        /* For looping over result columns */
  int nCol;                   /* Number of columns in the result set */
  char *zName;                /* Column name */
  int nName;                  /* Size of name in zName[] */
  Hash ht;                    /* Hash table of column names */
  Table *pTab;

  sqlite3HashInit(&ht);
  if( pEList ){
    nCol = pEList->nExpr;
    aCol = sqlite3DbMallocZero(db, sizeof(aCol[0])*nCol);
    testcase( aCol==0 );
    if( nCol>32767 ) nCol = 32767;

  for(i=0, pCol=aCol; i<nCol && !db->mallocFailed; i++, pCol++){
    /* Get an appropriate name for the column
    */
    if( (zName = pEList->a[i].zEName)!=0 && pEList->a[i].eEName==ENAME_NAME ){
      /* If the column contains an "AS <name>" phrase, use <name> as the name */
    }else{
      Expr *pColExpr = sqlite3ExprSkipCollateAndLikely(pEList->a[i].pExpr);
      while( ALWAYS(pColExpr!=0) && pColExpr->op==TK_DOT ){
        pColExpr = pColExpr->pRight;
        assert( pColExpr!=0 );
      }
      if( pColExpr->op==TK_COLUMN && (pTab = pColExpr->y.pTab)!=0 ){
        /* For columns use the column name name */
        int iCol = pColExpr->iColumn;


        if( iCol<0 ) iCol = pTab->iPKey;
        zName = iCol>=0 ? pTab->aCol[iCol].zName : "rowid";
      }else if( pColExpr->op==TK_ID ){
        assert( !ExprHasProperty(pColExpr, EP_IntValue) );
        zName = pColExpr->u.zToken;
      }else{
        /* Use the original text of the column expression as its name */

  sqlite3FixInit(&sFix, pParse, iDb, "trigger", pName);
  if( sqlite3FixSrcList(&sFix, pTableName) ){
    goto trigger_cleanup;
  }
  pTab = sqlite3SrcListLookup(pParse, pTableName);
  if( !pTab ){
    /* The table does not exist. */











    goto trigger_orphan_error;
  }
  if( IsVirtual(pTab) ){
    sqlite3ErrorMsg(pParse, "cannot create triggers on virtual tables");
    goto trigger_orphan_error;
  }

  /* Check that the trigger name is not reserved and that no trigger of the
  ** specified name exists */
  zName = sqlite3NameFromToken(db, pName);
  if( zName==0 ){
    assert( db->mallocFailed );

  /* INSTEAD of triggers are only for views and views only support INSTEAD
  ** of triggers.
  */
  if( pTab->pSelect && tr_tm!=TK_INSTEAD ){
    sqlite3ErrorMsg(pParse, "cannot create %s trigger on view: %S",
        (tr_tm == TK_BEFORE)?"BEFORE":"AFTER", pTableName, 0);
    goto trigger_orphan_error;
  }
  if( !pTab->pSelect && tr_tm==TK_INSTEAD ){
    sqlite3ErrorMsg(pParse, "cannot create INSTEAD OF"
        " trigger on table: %S", pTableName, 0);
    goto trigger_orphan_error;
  }

#ifndef SQLITE_OMIT_AUTHORIZATION
  if( !IN_RENAME_OBJECT ){
    int iTabDb = sqlite3SchemaToIndex(db, pTab->pSchema);
    int code = SQLITE_CREATE_TRIGGER;
    const char *zDb = db->aDb[iTabDb].zDbSName;

  sqlite3IdListDelete(db, pColumns);
  sqlite3ExprDelete(db, pWhen);
  if( !pParse->pNewTrigger ){
    sqlite3DeleteTrigger(db, pTrigger);
  }else{
    assert( pParse->pNewTrigger==pTrigger );
  }
  return;

trigger_orphan_error:
  if( db->init.iDb==1 ){
    /* Ticket #3810.
    ** Normally, whenever a table is dropped, all associated triggers are
    ** dropped too.  But if a TEMP trigger is created on a non-TEMP table
    ** and the table is dropped by a different database connection, the
    ** trigger is not visible to the database connection that does the
    ** drop so the trigger cannot be dropped.  This results in an
    ** "orphaned trigger" - a trigger whose associated table is missing.
    **
    ** 2020-11-05 see also https://sqlite.org/forum/forumpost/157dc791df
    */
    db->init.orphanTrigger = 1;
  }
  goto trigger_cleanup;
}

/*
** This routine is called after all of the trigger actions have been parsed
** in order to complete the process of building the trigger.
*/
SQLITE_PRIVATE void sqlite3FinishTrigger(

  ){
    regRowCount = ++pParse->nMem;
    sqlite3VdbeAddOp2(v, OP_Integer, 0, regRowCount);
  }

  if( nChangeFrom==0 && HasRowid(pTab) ){
    sqlite3VdbeAddOp3(v, OP_Null, 0, regRowSet, regOldRowid);
    iEph = pParse->nTab++;
    addrOpen = sqlite3VdbeAddOp3(v, OP_OpenEphemeral, iEph, 0, regRowSet);
  }else{
    assert( pPk!=0 || HasRowid(pTab) );
    nPk = pPk ? pPk->nKeyCol : 0;
    iPk = pParse->nMem+1;
    pParse->nMem += nPk;
    pParse->nMem += nChangeFrom;
    regKey = ++pParse->nMem;

    if( HasRowid(pTab) ){
      /* Read the rowid of the current row of the WHERE scan. In ONEPASS_OFF
      ** mode, write the rowid into the FIFO. In either of the one-pass modes,
      ** leave it in register regOldRowid.  */
      sqlite3VdbeAddOp2(v, OP_Rowid, iDataCur, regOldRowid);
      if( eOnePass==ONEPASS_OFF ){

        aRegIdx[nAllIdx] = ++pParse->nMem;
        sqlite3VdbeAddOp3(v, OP_Insert, iEph, regRowSet, regOldRowid);
      }else{
        if( ALWAYS(addrOpen) ) sqlite3VdbeChangeToNoop(v, addrOpen);
      }
    }else{
      /* Read the PK of the current row into an array of registers. In
      ** ONEPASS_OFF mode, serialize the array into a record and store it in
      ** the ephemeral table. Or, in ONEPASS_SINGLE or MULTI mode, change
      ** the OP_OpenEphemeral instruction to a Noop (the ephemeral table
      ** is not required) and leave the PK fields in the array of registers.  */

        }
      }else{
        sqlite3VdbeAddOp2(v, OP_RowData, iEph, regKey);
        sqlite3VdbeAddOp4Int(v, OP_NotFound, iDataCur, labelContinue, regKey,0);
        VdbeCoverage(v);
      }
    }else{
      sqlite3VdbeAddOp2(v, OP_Rewind, iEph, labelBreak); VdbeCoverage(v);
      labelContinue = sqlite3VdbeMakeLabel(pParse);
      addrTop = sqlite3VdbeAddOp2(v, OP_Rowid, iEph, regOldRowid);
      VdbeCoverage(v);
      sqlite3VdbeAddOp3(v, OP_NotExists, iDataCur, labelContinue, regOldRowid);
      VdbeCoverage(v);
    }
  }

  /* If the rowid value will change, set register regNewRowid to

  ** all record selected by the WHERE clause have been updated.
  */
  if( eOnePass==ONEPASS_SINGLE ){
    /* Nothing to do at end-of-loop for a single-pass */
  }else if( eOnePass==ONEPASS_MULTI ){
    sqlite3VdbeResolveLabel(v, labelContinue);
    sqlite3WhereEnd(pWInfo);
  }else{
    sqlite3VdbeResolveLabel(v, labelContinue);
    sqlite3VdbeAddOp2(v, OP_Next, iEph, addrTop); VdbeCoverage(v);


  }
  sqlite3VdbeResolveLabel(v, labelBreak);

  /* Update the sqlite_sequence table by storing the content of the
  ** maximum rowid counter values recorded while inserting into
  ** autoincrement tables.
  */

** In the previous sentence and in the diagram, "slot[]" refers to
** the WhereClause.a[] array.  The slot[] array grows as needed to contain
** all terms of the WHERE clause.
*/
SQLITE_PRIVATE void sqlite3WhereSplit(WhereClause *pWC, Expr *pExpr, u8 op){
  Expr *pE2 = sqlite3ExprSkipCollateAndLikely(pExpr);
  pWC->op = op;
  assert( pE2!=0 || pExpr==0 );
  if( pE2==0 ) return;
  if( pE2->op!=op ){
    whereClauseInsert(pWC, pExpr, 0);
  }else{
    sqlite3WhereSplit(pWC, pE2->pLeft, op);
    sqlite3WhereSplit(pWC, pE2->pRight, op);
  }

** sqlite3WhereBegin() routine.  So we know that the pMaskSet->ix[]
** array will never overflow.
*/
static void createMask(WhereMaskSet *pMaskSet, int iCursor){
  assert( pMaskSet->n < ArraySize(pMaskSet->ix) );
  pMaskSet->ix[pMaskSet->n++] = iCursor;
}

/*
** If the right-hand branch of the expression is a TK_COLUMN, then return
** a pointer to the right-hand branch.  Otherwise, return NULL.
*/
static Expr *whereRightSubexprIsColumn(Expr *p){
  p = sqlite3ExprSkipCollateAndLikely(p->pRight);
  if( ALWAYS(p!=0) && p->op==TK_COLUMN ) return p;
  return 0;
}

/*
** Advance to the next WhereTerm that matches according to the criteria
** established when the pScan object was initialized by whereScanInit().
** Return NULL if there are no more matching WhereTerms.
*/
static WhereTerm *whereScanNext(WhereScan *pScan){

         && (iColumn!=XN_EXPR
             || sqlite3ExprCompareSkip(pTerm->pExpr->pLeft,
                                       pScan->pIdxExpr,iCur)==0)
         && (pScan->iEquiv<=1 || !ExprHasProperty(pTerm->pExpr, EP_FromJoin))
        ){
          if( (pTerm->eOperator & WO_EQUIV)!=0
           && pScan->nEquiv<ArraySize(pScan->aiCur)
           && (pX = whereRightSubexprIsColumn(pTerm->pExpr))!=0

          ){
            int j;
            for(j=0; j<pScan->nEquiv; j++){
              if( pScan->aiCur[j]==pX->iTable
               && pScan->aiColumn[j]==pX->iColumn ){
                  break;
              }

  int iCol                        /* Column of index to match */
){
  int i;
  const char *zColl = pIdx->azColl[iCol];

  for(i=0; i<pList->nExpr; i++){
    Expr *p = sqlite3ExprSkipCollateAndLikely(pList->a[i].pExpr);
    if( ALWAYS(p!=0)
     && p->op==TK_COLUMN
     && p->iColumn==pIdx->aiColumn[iCol]
     && p->iTable==iBase
    ){
      CollSeq *pColl = sqlite3ExprNNCollSeq(pParse, pList->a[i].pExpr);
      if( 0==sqlite3StrICmp(pColl->zName, zColl) ){
        return i;
      }

  /* If any of the expressions is an IPK column on table iBase, then return
  ** true. Note: The (p->iTable==iBase) part of this test may be false if the
  ** current SELECT is a correlated sub-query.
  */
  for(i=0; i<pDistinct->nExpr; i++){
    Expr *p = sqlite3ExprSkipCollateAndLikely(pDistinct->a[i].pExpr);
    if( NEVER(p==0) ) continue;
    if( p->op==TK_COLUMN && p->iTable==iBase && p->iColumn<0 ) return 1;
  }

  /* Loop through all indices on the table, checking each to see if it makes
  ** the DISTINCT qualifier redundant. It does so if:
  **
  **   1. The index is itself UNIQUE, and

  int rc = SQLITE_OK;             /* Return code */
  LogEst rSize;                   /* Number of rows in the table */
  LogEst rLogSize;                /* Logarithm of table size */
  WhereTerm *pTop = 0, *pBtm = 0; /* Top and bottom range constraints */

  pNew = pBuilder->pNew;
  if( db->mallocFailed ) return SQLITE_NOMEM_BKPT;
  WHERETRACE(0x800, ("BEGIN %s.addBtreeIdx(%s), nEq=%d, nSkip=%d, rRun=%d\n",
                     pProbe->pTable->zName,pProbe->zName,
                     pNew->u.btree.nEq, pNew->nSkip, pNew->rRun));

  assert( (pNew->wsFlags & WHERE_VIRTUALTABLE)==0 );
  assert( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 );
  if( pNew->wsFlags & WHERE_BTM_LIMIT ){
    opMask = WO_LT|WO_LE;
  }else{
    assert( pNew->u.btree.nBtm==0 );

  ExprList *aColExpr;
  int ii, jj;

  if( pIndex->bUnordered ) return 0;
  if( (pOB = pBuilder->pWInfo->pOrderBy)==0 ) return 0;
  for(ii=0; ii<pOB->nExpr; ii++){
    Expr *pExpr = sqlite3ExprSkipCollateAndLikely(pOB->a[ii].pExpr);
    if( NEVER(pExpr==0) ) continue;
    if( pExpr->op==TK_COLUMN && pExpr->iTable==iCursor ){
      if( pExpr->iColumn<0 ) return 1;
      for(jj=0; jj<pIndex->nKeyCol; jj++){
        if( pExpr->iColumn==pIndex->aiColumn[jj] ) return 1;
      }
    }else if( (aColExpr = pIndex->aColExpr)!=0 ){
      for(jj=0; jj<pIndex->nKeyCol; jj++){

    ** the current loop for which there is term in the WHERE
    ** clause of the form X IS NULL or X=? that reference only outer
    ** loops.
    */
    for(i=0; i<nOrderBy; i++){
      if( MASKBIT(i) & obSat ) continue;
      pOBExpr = sqlite3ExprSkipCollateAndLikely(pOrderBy->a[i].pExpr);
      if( NEVER(pOBExpr==0) ) continue;
      if( pOBExpr->op!=TK_COLUMN ) continue;
      if( pOBExpr->iTable!=iCur ) continue;
      pTerm = sqlite3WhereFindTerm(&pWInfo->sWC, iCur, pOBExpr->iColumn,
                       ~ready, eqOpMask, 0);
      if( pTerm==0 ) continue;
      if( pTerm->eOperator==WO_IN ){
        /* IN terms are only valid for sorting in the ORDER BY LIMIT

        */
        isMatch = 0;
        for(i=0; bOnce && i<nOrderBy; i++){
          if( MASKBIT(i) & obSat ) continue;
          pOBExpr = sqlite3ExprSkipCollateAndLikely(pOrderBy->a[i].pExpr);
          testcase( wctrlFlags & WHERE_GROUPBY );
          testcase( wctrlFlags & WHERE_DISTINCTBY );
          if( NEVER(pOBExpr==0) ) continue;
          if( (wctrlFlags & (WHERE_GROUPBY|WHERE_DISTINCTBY))==0 ) bOnce = 0;
          if( iColumn>=XN_ROWID ){
            if( pOBExpr->op!=TK_COLUMN ) continue;
            if( pOBExpr->iTable!=iCur ) continue;
            if( pOBExpr->iColumn!=iColumn ) continue;
          }else{
            Expr *pIdxExpr = pIndex->aColExpr->a[j].pExpr;

  LogEst rScale, rSortCost;
  assert( nOrderBy>0 && 66==sqlite3LogEst(100) );
  rScale = sqlite3LogEst((nOrderBy-nSorted)*100/nOrderBy) - 66;
  rSortCost = nRow + rScale + 16;

  /* Multiple by log(M) where M is the number of output rows.
  ** Use the LIMIT for M if it is smaller.  Or if this sort is for
  ** a DISTINCT operator, M will be the number of distinct output
  ** rows, so fudge it downwards a bit.
  */
  if( (pWInfo->wctrlFlags & WHERE_USE_LIMIT)!=0 && pWInfo->iLimit<nRow ){
    nRow = pWInfo->iLimit;
  }else if( (pWInfo->wctrlFlags & WHERE_WANT_DISTINCT) ){
    /* TUNING: In the sort for a DISTINCT operator, assume that the DISTINCT
    ** reduces the number of output rows by a factor of 2 */

static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apUnused        /* Function arguments */
){
  assert( nArg==0 );
  UNUSED_PARAM2(nArg, apUnused);
  sqlite3_result_text(pCtx, "fts5: 2020-11-19 21:12:08 c38dec6f52c01614c1bee8356daf0fcd9f708d029116e9bff51e06719a730dde", -1, SQLITE_TRANSIENT);
}

/*
** Return true if zName is the extension on one of the shadow tables used
** by this module.
*/
static int fts5ShadowName(const char *zName){

#endif
  return rc;
}
#endif /* SQLITE_CORE */
#endif /* !defined(SQLITE_CORE) || defined(SQLITE_ENABLE_STMTVTAB) */

/************** End of stmt.c ************************************************/
#if __LINE__!=231731
#undef SQLITE_SOURCE_ID
#define SQLITE_SOURCE_ID      "2020-11-23 21:05:29 4f1573b146193e5d552981a9d1d11e50da4da4a843f790e4af1cf0cc19a0alt2"
#endif
/* Return the source-id for this library */
SQLITE_API const char *sqlite3_sourceid(void){ return SQLITE_SOURCE_ID; }
/************************** End of sqlite3.c ******************************/

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.34.0"
#define SQLITE_VERSION_NUMBER 3034000
#define SQLITE_SOURCE_ID      "2020-11-23 21:05:29 4f1573b146193e5d552981a9d1d11e50da4da4a843f790e4af1cf0cc19a0b020"

/*
** CAPI3REF: Run-Time Library Version Numbers
** KEYWORDS: sqlite3_version sqlite3_sourceid
**
** These interfaces provide the same information as the [SQLITE_VERSION],
** [SQLITE_VERSION_NUMBER], and [SQLITE_SOURCE_ID] C preprocessor macros

#define SQLITE_IOERR_CONVPATH          (SQLITE_IOERR | (26<<8))
#define SQLITE_IOERR_VNODE             (SQLITE_IOERR | (27<<8))
#define SQLITE_IOERR_AUTH              (SQLITE_IOERR | (28<<8))
#define SQLITE_IOERR_BEGIN_ATOMIC      (SQLITE_IOERR | (29<<8))
#define SQLITE_IOERR_COMMIT_ATOMIC     (SQLITE_IOERR | (30<<8))
#define SQLITE_IOERR_ROLLBACK_ATOMIC   (SQLITE_IOERR | (31<<8))
#define SQLITE_IOERR_DATA              (SQLITE_IOERR | (32<<8))
#define SQLITE_IOERR_CORRUPTFS         (SQLITE_IOERR | (33<<8))
#define SQLITE_LOCKED_SHAREDCACHE      (SQLITE_LOCKED |  (1<<8))
#define SQLITE_LOCKED_VTAB             (SQLITE_LOCKED |  (2<<8))
#define SQLITE_BUSY_RECOVERY           (SQLITE_BUSY   |  (1<<8))
#define SQLITE_BUSY_SNAPSHOT           (SQLITE_BUSY   |  (2<<8))
#define SQLITE_BUSY_TIMEOUT            (SQLITE_BUSY   |  (3<<8))
#define SQLITE_CANTOPEN_NOTEMPDIR      (SQLITE_CANTOPEN | (1<<8))
#define SQLITE_CANTOPEN_ISDIR          (SQLITE_CANTOPEN | (2<<8))