Fossil

/*
** Threat stdin as an interactive input if the following variable
** is true.  Otherwise, assume stdin is connected to a file or pipe.
*/
static int stdin_is_interactive = 1;

/*
** On Windows systems we have to know if standard output is a console
** in order to translate UTF-8 into MBCS.  The following variable is
** true if translation is required.
*/
static int stdout_is_console = 1;

/*
** The following is the open SQLite database.  We make a pointer
** to this database a static variable so that it can be accessed
** by the SIGINT handler to interrupt database processing.
*/
static sqlite3 *globalDb = 0;

  assert( 0==argc );
  assert( zShellStatic );
  UNUSED_PARAMETER(argc);
  UNUSED_PARAMETER(argv);
  sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC);
}


/*
** Compute a string length that is limited to what can be stored in
** lower 30 bits of a 32-bit signed integer.
*/
static int strlen30(const char *z){
  const char *z2 = z;
  while( *z2 ){ z2++; }
  return 0x3fffffff & (int)(z2 - z);
}

/*
** This routine reads a line of text from FILE in, stores
** the text in memory obtained from malloc() and returns a pointer
** to the text.  NULL is returned at end of file, or if malloc()
** fails.
**

    if( n>0 && zLine[n-1]=='\n' ){
      n--;
      if( n>0 && zLine[n-1]=='\r' ) n--;
      zLine[n] = 0;
      break;
    }
  }
#if defined(_WIN32) || defined(WIN32)
  /* For interactive input on Windows systems, translate the 
  ** multi-byte characterset characters into UTF-8. */
  if( stdin_is_interactive ){
    extern char *sqlite3_win32_mbcs_to_utf8(const char*);
    char *zTrans = sqlite3_win32_mbcs_to_utf8(zLine);
    if( zTrans ){
      int nTrans = strlen30(zTrans)+1;
      if( nTrans>nLine ){
        zLine = realloc(zLine, nTrans);
        if( zLine==0 ){
          sqlite3_free(zTrans);
          return 0;
        }
      }
      memcpy(zLine, zTrans, nTrans);
      sqlite3_free(zTrans);
    }
  }
#endif /* defined(_WIN32) || defined(WIN32) */
  return zLine;
}

/*
** Retrieve a single line of input text.
**
** If in==0 then read from standard input and prompt before each line.

    zResult = shell_readline(zPrompt);
    if( zResult && *zResult ) shell_add_history(zResult);
#endif
  }
  return zResult;
}

/*
** Render output like fprintf().  Except, if the output is going to the
** console and if this is running on a Windows machine, translate the
** output from UTF-8 into MBCS.
*/
#if defined(_WIN32) || defined(WIN32)
void utf8_printf(FILE *out, const char *zFormat, ...){
  va_list ap;
  va_start(ap, zFormat);
  if( stdout_is_console && out==stdout ){
    extern char *sqlite3_win32_utf8_to_mbcs(const char*);
    char *z1 = sqlite3_vmprintf(zFormat, ap);
    char *z2 = sqlite3_win32_utf8_to_mbcs(z1);
    sqlite3_free(z1);
    fputs(z2, out);
    sqlite3_free(z2);
  }else{
    vfprintf(out, zFormat, ap);
  }
  va_end(ap);
}
#else
# define utf8_printf fprintf
#endif

/*
** Shell output mode information from before ".explain on", 
** saved so that it can be restored by ".explain off"
*/
typedef struct SavedModeInfo SavedModeInfo;
struct SavedModeInfo {
  int valid;          /* Is there legit data in here? */

#define SEP_Record    "\x1E"

/*
** Number of elements in an array
*/
#define ArraySize(X)  (int)(sizeof(X)/sizeof(X[0]))











/*
** A callback for the sqlite3_log() interface.
*/
static void shellLog(void *pArg, int iErrCode, const char *zMsg){
  ShellState *p = (ShellState*)pArg;
  if( p->pLog==0 ) return;
  fprintf(p->pLog, "(%d) %s\n", iErrCode, zMsg);

  int i;
  int nSingle = 0;
  setBinaryMode(out);
  for(i=0; z[i]; i++){
    if( z[i]=='\'' ) nSingle++;
  }
  if( nSingle==0 ){
    utf8_printf(out,"'%s'",z);
  }else{
    fprintf(out,"'");
    while( *z ){
      for(i=0; z[i] && z[i]!='\''; i++){}
      if( i==0 ){
        fprintf(out,"''");
        z++;
      }else if( z[i]=='\'' ){
        utf8_printf(out,"%.*s''",i,z);
        z += i+1;
      }else{
        utf8_printf(out,"%s",z);
        break;
      }
    }
    fprintf(out,"'");
  }
  setTextMode(out);
}

            && z[i]!='<' 
            && z[i]!='&' 
            && z[i]!='>' 
            && z[i]!='\"' 
            && z[i]!='\'';
        i++){}
    if( i>0 ){
      utf8_printf(out,"%.*s",i,z);
    }
    if( z[i]=='<' ){
      fprintf(out,"&lt;");
    }else if( z[i]=='&' ){
      fprintf(out,"&amp;");
    }else if( z[i]=='>' ){
      fprintf(out,"&gt;");

** the separator, which may or may not be a comma.  p->nullValue is
** the null value.  Strings are quoted if necessary.  The separator
** is only issued if bSep is true.
*/
static void output_csv(ShellState *p, const char *z, int bSep){
  FILE *out = p->out;
  if( z==0 ){
    utf8_printf(out,"%s",p->nullValue);
  }else{
    int i;
    int nSep = strlen30(p->colSeparator);
    for(i=0; z[i]; i++){
      if( needCsvQuote[((unsigned char*)z)[i]] 
         || (z[i]==p->colSeparator[0] && 
             (nSep==1 || memcmp(z, p->colSeparator, nSep)==0)) ){
        i = 0;
        break;
      }
    }
    if( i==0 ){
      putc('"', out);
      for(i=0; z[i]; i++){
        if( z[i]=='"' ) putc('"', out);
        putc(z[i], out);
      }
      putc('"', out);
    }else{
      utf8_printf(out, "%s", z);
    }
  }
  if( bSep ){
    utf8_printf(p->out, "%s", p->colSeparator);
  }
}

#ifdef SIGINT
/*
** This routine runs when the user presses Ctrl-C
*/

    case MODE_Line: {
      int w = 5;
      if( azArg==0 ) break;
      for(i=0; i<nArg; i++){
        int len = strlen30(azCol[i] ? azCol[i] : "");
        if( len>w ) w = len;
      }
      if( p->cnt++>0 ) utf8_printf(p->out, "%s", p->rowSeparator);
      for(i=0; i<nArg; i++){
        utf8_printf(p->out,"%*s = %s%s", w, azCol[i],
                azArg[i] ? azArg[i] : p->nullValue, p->rowSeparator);
      }
      break;
    }
    case MODE_Explain:
    case MODE_Column: {
      if( p->cnt++==0 ){

            if( w<n ) w = n;
          }
          if( i<ArraySize(p->actualWidth) ){
            p->actualWidth[i] = w;
          }
          if( p->showHeader ){
            if( w<0 ){
              utf8_printf(p->out,"%*.*s%s",-w,-w,azCol[i],
                      i==nArg-1 ? p->rowSeparator : "  ");
            }else{
              utf8_printf(p->out,"%-*.*s%s",w,w,azCol[i],
                      i==nArg-1 ? p->rowSeparator : "  ");
            }
          }
        }
        if( p->showHeader ){
          for(i=0; i<nArg; i++){
            int w;
            if( i<ArraySize(p->actualWidth) ){
               w = p->actualWidth[i];
               if( w<0 ) w = -w;
            }else{
               w = 10;
            }
            fprintf(p->out,"%-*.*s%s",w,w,
                   "----------------------------------------------------------"
                   "----------------------------------------------------------",
                    i==nArg-1 ? p->rowSeparator : "  ");
          }
        }
      }
      if( azArg==0 ) break;
      for(i=0; i<nArg; i++){

        if( i==1 && p->aiIndent && p->pStmt ){
          if( p->iIndent<p->nIndent ){
            fprintf(p->out, "%*.s", p->aiIndent[p->iIndent], "");
          }
          p->iIndent++;
        }
        if( w<0 ){
          utf8_printf(p->out,"%*.*s%s",-w,-w,
              azArg[i] ? azArg[i] : p->nullValue,
              i==nArg-1 ? p->rowSeparator : "  ");
        }else{
          utf8_printf(p->out,"%-*.*s%s",w,w,
              azArg[i] ? azArg[i] : p->nullValue,
              i==nArg-1 ? p->rowSeparator : "  ");
        }
      }
      break;
    }
    case MODE_Semi:
    case MODE_List: {
      if( p->cnt++==0 && p->showHeader ){
        for(i=0; i<nArg; i++){
          utf8_printf(p->out,"%s%s",azCol[i],
                  i==nArg-1 ? p->rowSeparator : p->colSeparator);
        }
      }
      if( azArg==0 ) break;
      for(i=0; i<nArg; i++){
        char *z = azArg[i];
        if( z==0 ) z = p->nullValue;
        utf8_printf(p->out, "%s", z);
        if( i<nArg-1 ){
          utf8_printf(p->out, "%s", p->colSeparator);
        }else if( p->mode==MODE_Semi ){
          utf8_printf(p->out, ";%s", p->rowSeparator);
        }else{
          utf8_printf(p->out, "%s", p->rowSeparator);
        }
      }
      break;
    }
    case MODE_Html: {
      if( p->cnt++==0 && p->showHeader ){
        fprintf(p->out,"<TR>");

      fprintf(p->out,"</TR>\n");
      break;
    }
    case MODE_Tcl: {
      if( p->cnt++==0 && p->showHeader ){
        for(i=0; i<nArg; i++){
          output_c_string(p->out,azCol[i] ? azCol[i] : "");
          if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
        }
        utf8_printf(p->out, "%s", p->rowSeparator);
      }
      if( azArg==0 ) break;
      for(i=0; i<nArg; i++){
        output_c_string(p->out, azArg[i] ? azArg[i] : p->nullValue);
        if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
      }
      utf8_printf(p->out, "%s", p->rowSeparator);
      break;
    }
    case MODE_Csv: {
      setBinaryMode(p->out);
      if( p->cnt++==0 && p->showHeader ){
        for(i=0; i<nArg; i++){
          output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1);
        }
        utf8_printf(p->out, "%s", p->rowSeparator);
      }
      if( nArg>0 ){
        for(i=0; i<nArg; i++){
          output_csv(p, azArg[i], i<nArg-1);
        }
        utf8_printf(p->out, "%s", p->rowSeparator);
      }
      setTextMode(p->out);
      break;
    }
    case MODE_Insert: {
      p->cnt++;
      if( azArg==0 ) break;
      utf8_printf(p->out,"INSERT INTO %s",p->zDestTable);
      if( p->showHeader ){
        fprintf(p->out,"(");
        for(i=0; i<nArg; i++){
          char *zSep = i>0 ? ",": "";
          utf8_printf(p->out, "%s%s", zSep, azCol[i]);
        }
        fprintf(p->out,")");
      }
      fprintf(p->out," VALUES(");
      for(i=0; i<nArg; i++){
        char *zSep = i>0 ? ",": "";
        if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
          fprintf(p->out,"%sNULL",zSep);
        }else if( aiType && aiType[i]==SQLITE_TEXT ){
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_quoted_string(p->out, azArg[i]);
        }else if( aiType && (aiType[i]==SQLITE_INTEGER
                             || aiType[i]==SQLITE_FLOAT) ){
          utf8_printf(p->out,"%s%s",zSep, azArg[i]);
        }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
          const void *pBlob = sqlite3_column_blob(p->pStmt, i);
          int nBlob = sqlite3_column_bytes(p->pStmt, i);
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_hex_blob(p->out, pBlob, nBlob);
        }else if( isNumber(azArg[i], 0) ){
          utf8_printf(p->out,"%s%s",zSep, azArg[i]);
        }else{
          if( zSep[0] ) fprintf(p->out,"%s",zSep);
          output_quoted_string(p->out, azArg[i]);
        }
      }
      fprintf(p->out,");\n");
      break;
    }
    case MODE_Ascii: {
      if( p->cnt++==0 && p->showHeader ){
        for(i=0; i<nArg; i++){
          if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
          utf8_printf(p->out,"%s",azCol[i] ? azCol[i] : "");
        }
        utf8_printf(p->out, "%s", p->rowSeparator);
      }
      if( azArg==0 ) break;
      for(i=0; i<nArg; i++){
        if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
        utf8_printf(p->out,"%s",azArg[i] ? azArg[i] : p->nullValue);
      }
      utf8_printf(p->out, "%s", p->rowSeparator);
      break;
    }
  }
  return 0;
}

/*

    if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++;
    return rc;
  }
  rc = sqlite3_step(pSelect);
  nResult = sqlite3_column_count(pSelect);
  while( rc==SQLITE_ROW ){
    if( zFirstRow ){
      utf8_printf(p->out, "%s", zFirstRow);
      zFirstRow = 0;
    }
    z = (const char*)sqlite3_column_text(pSelect, 0);
    utf8_printf(p->out, "%s", z);
    for(i=1; i<nResult; i++){ 
      utf8_printf(p->out, ",%s", sqlite3_column_text(pSelect, i));
    }
    if( z==0 ) z = "";
    while( z[0] && (z[0]!='-' || z[1]!='-') ) z++;
    if( z[0] ){
      fprintf(p->out, "\n;\n");
    }else{
      fprintf(p->out, ";\n");

        rEstLoop = (double)nLoop;
        if( k>0 ) fprintf(pArg->out, "-------- subquery %d -------\n", k);
      }
      n++;
      sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
      sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EST, (void*)&rEst);
      sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
      utf8_printf(pArg->out, "Loop %2d: %s\n", n, zExplain);
      rEstLoop *= rEst;
      fprintf(pArg->out, 
          "         nLoop=%-8lld nRow=%-8lld estRow=%-8lld estRow/Loop=%-8g\n",
          nLoop, nVisit, (sqlite3_int64)(rEstLoop+0.5), rEst
      );
    }
  }

        pArg->pStmt = pStmt;
        pArg->cnt = 0;
      }

      /* echo the sql statement if echo on */
      if( pArg && pArg->echoOn ){
        const char *zStmtSql = sqlite3_sql(pStmt);
        utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
      }

      /* Show the EXPLAIN QUERY PLAN if .eqp is on */
      if( pArg && pArg->autoEQP ){
        sqlite3_stmt *pExplain;
        char *zEQP = sqlite3_mprintf("EXPLAIN QUERY PLAN %s",
                                     sqlite3_sql(pStmt));
        rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0);
        if( rc==SQLITE_OK ){
          while( sqlite3_step(pExplain)==SQLITE_ROW ){
            fprintf(pArg->out,"--EQP-- %d,", sqlite3_column_int(pExplain, 0));
            fprintf(pArg->out,"%d,", sqlite3_column_int(pExplain, 1));
            fprintf(pArg->out,"%d,", sqlite3_column_int(pExplain, 2));
            utf8_printf(pArg->out,"%s\n", sqlite3_column_text(pExplain, 3));
          }
        }
        sqlite3_finalize(pExplain);
        sqlite3_free(zEQP);
      }

      /* If the shell is currently in ".explain" mode, gather the extra

      fprintf(p->out, "PRAGMA writable_schema=ON;\n");
      p->writableSchema = 1;
    }
    zIns = sqlite3_mprintf(
       "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
       "VALUES('table','%q','%q',0,'%q');",
       zTable, zTable, zSql);
    utf8_printf(p->out, "%s\n", zIns);
    sqlite3_free(zIns);
    return 0;
  }else{
    utf8_printf(p->out, "%s;\n", zSql);
  }

  if( strcmp(zType, "table")==0 ){
    sqlite3_stmt *pTableInfo = 0;
    char *zSelect = 0;
    char *zTableInfo = 0;
    char *zTmp = 0;

** A routine for handling output from sqlite3_trace().
*/
static void sql_trace_callback(void *pArg, const char *z){
  FILE *f = (FILE*)pArg;
  if( f ){
    int i = (int)strlen(z);
    while( i>0 && z[i-1]==';' ){ i--; }
    utf8_printf(f, "%.*s;\n", i, z);
  }
}

/*
** A no-op routine that runs with the ".breakpoint" doc-command.  This is
** a useful spot to set a debugger breakpoint.
*/

  }else{
    zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb);
  }
  for(i=0; i<ArraySize(aQuery); i++){
    char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab);
    int val = db_int(p, zSql);
    sqlite3_free(zSql);
    utf8_printf(p->out, "%-20s %d\n", aQuery[i].zName, val);
  }
  sqlite3_free(zSchemaTab);
  return 0;
}

/*
** Print the current sqlite3_errmsg() value to stderr and return 1.

    }
  }else

  if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
    int i;
    for(i=1; i<nArg; i++){
      if( i>1 ) fprintf(p->out, " ");
      utf8_printf(p->out, "%s", azArg[i]);
    }
    fprintf(p->out, "\n");
  }else

  if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
    if( nArg >= 2) {
      strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);

  /* Undocumented commands for internal testing.  Subject to change
  ** without notice. */
  if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){
    if( strncmp(azArg[0]+9, "boolean", n-9)==0 ){
      int i, v;
      for(i=1; i<nArg; i++){
        v = booleanValue(azArg[i]);
        utf8_printf(p->out, "%s: %d 0x%x\n", azArg[i], v, v);
      }
    }
    if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
      int i; sqlite3_int64 v;
      for(i=1; i<nArg; i++){
        char zBuf[200];
        v = integerValue(azArg[i]);
        sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
        utf8_printf(p->out, "%s", zBuf);
      }
    }
  }else
#endif

  if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
    if( nArg<2 || nArg>3 ){

      }
      nPrintCol = 80/(maxlen+2);
      if( nPrintCol<1 ) nPrintCol = 1;
      nPrintRow = (nRow + nPrintCol - 1)/nPrintCol;
      for(i=0; i<nPrintRow; i++){
        for(j=i; j<nRow; j+=nPrintRow){
          char *zSp = j<nPrintRow ? "" : "  ";
          utf8_printf(p->out, "%s%-*s", zSp, maxlen,
                      azResult[j] ? azResult[j]:"");
        }
        fprintf(p->out, "\n");
      }
    }

    for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
    sqlite3_free(azResult);

  }
#endif
  setBinaryMode(stdin);
  setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
  Argv0 = argv[0];
  main_init(&data);
  stdin_is_interactive = isatty(0);
  stdout_is_console = isatty(1);

  /* Make sure we have a valid signal handler early, before anything
  ** else is done.
  */
#ifdef SIGINT
  signal(SIGINT, interrupt_handler);
#endif

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.10.0"
#define SQLITE_VERSION_NUMBER 3010000
#define SQLITE_SOURCE_ID      "2015-12-31 15:34:03 9c392c1019ee15f27c8e05b41246d2844f91f6c0"

/*
** 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

  char *zName;     /* Name of this column */
  Expr *pDflt;     /* Default value of this column */
  char *zDflt;     /* Original text of the default value */
  char *zType;     /* Data type for this column */
  char *zColl;     /* Collating sequence.  If NULL, use the default */
  u8 notNull;      /* An OE_ code for handling a NOT NULL constraint */
  char affinity;   /* One of the SQLITE_AFF_... values */
  u8 szEst;        /* Estimated size of value in this column. sizeof(INT)==1 */
  u8 colFlags;     /* Boolean properties.  See COLFLAG_ defines below */
};

/* Allowed values for Column.colFlags:
*/
#define COLFLAG_PRIMKEY  0x0001    /* Column is part of the primary key */
#define COLFLAG_HIDDEN   0x0002    /* A hidden column in a virtual table */

  i16 *aiColumn;           /* Which columns are used by this index.  1st is 0 */
  LogEst *aiRowLogEst;     /* From ANALYZE: Est. rows selected by each column */
  Table *pTable;           /* The SQL table being indexed */
  char *zColAff;           /* String defining the affinity of each column */
  Index *pNext;            /* The next index associated with the same table */
  Schema *pSchema;         /* Schema containing this index */
  u8 *aSortOrder;          /* for each column: True==DESC, False==ASC */
  const char **azColl;     /* Array of collation sequence names for index */
  Expr *pPartIdxWhere;     /* WHERE clause for partial indices */
  ExprList *aColExpr;      /* Column expressions */
  int tnum;                /* DB Page containing root of this index */
  LogEst szIdxRow;         /* Estimated average row size in bytes */
  u16 nKeyCol;             /* Number of columns forming the key */
  u16 nColumn;             /* Number of columns stored in the index */
  u8 onError;              /* OE_Abort, OE_Ignore, OE_Replace, or OE_None */

SQLITE_PRIVATE void sqlite3DeleteColumnNames(sqlite3*,Table*);
SQLITE_PRIVATE int sqlite3ColumnsFromExprList(Parse*,ExprList*,i16*,Column**);
SQLITE_PRIVATE Table *sqlite3ResultSetOfSelect(Parse*,Select*);
SQLITE_PRIVATE void sqlite3OpenMasterTable(Parse *, int);
SQLITE_PRIVATE Index *sqlite3PrimaryKeyIndex(Table*);
SQLITE_PRIVATE i16 sqlite3ColumnOfIndex(Index*, i16);
SQLITE_PRIVATE void sqlite3StartTable(Parse*,Token*,Token*,int,int,int,int);
#if SQLITE_ENABLE_HIDDEN_COLUMNS
SQLITE_PRIVATE   void sqlite3ColumnPropertiesFromName(Table*, Column*);
#else
# define sqlite3ColumnPropertiesFromName(T,C) /* no-op */
#endif
SQLITE_PRIVATE void sqlite3AddColumn(Parse*,Token*);
SQLITE_PRIVATE void sqlite3AddNotNull(Parse*, int);
SQLITE_PRIVATE void sqlite3AddPrimaryKey(Parse*, ExprList*, int, int, int);
SQLITE_PRIVATE void sqlite3AddCheckConstraint(Parse*, Expr*);
SQLITE_PRIVATE void sqlite3AddColumnType(Parse*,Token*);
SQLITE_PRIVATE void sqlite3AddDefaultValue(Parse*,ExprSpan*);
SQLITE_PRIVATE void sqlite3AddCollateType(Parse*, Token*);

SQLITE_PRIVATE void sqlite3ValueFree(sqlite3_value*);
SQLITE_PRIVATE sqlite3_value *sqlite3ValueNew(sqlite3 *);
SQLITE_PRIVATE char *sqlite3Utf16to8(sqlite3 *, const void*, int, u8);
SQLITE_PRIVATE int sqlite3ValueFromExpr(sqlite3 *, Expr *, u8, u8, sqlite3_value **);
SQLITE_PRIVATE void sqlite3ValueApplyAffinity(sqlite3_value *, u8, u8);
#ifndef SQLITE_AMALGAMATION
SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[];
SQLITE_PRIVATE const char sqlite3StrBINARY[];
SQLITE_PRIVATE const unsigned char sqlite3UpperToLower[];
SQLITE_PRIVATE const unsigned char sqlite3CtypeMap[];
SQLITE_PRIVATE const Token sqlite3IntTokens[];
SQLITE_PRIVATE SQLITE_WSD struct Sqlite3Config sqlite3Config;
SQLITE_PRIVATE SQLITE_WSD FuncDefHash sqlite3GlobalFunctions;
#ifndef SQLITE_OMIT_WSD
SQLITE_PRIVATE int sqlite3PendingByte;

** Properties of opcodes.  The OPFLG_INITIALIZER macro is
** created by mkopcodeh.awk during compilation.  Data is obtained
** from the comments following the "case OP_xxxx:" statements in
** the vdbe.c file.  
*/
SQLITE_PRIVATE const unsigned char sqlite3OpcodeProperty[] = OPFLG_INITIALIZER;

/*
** Name of the default collating sequence
*/
SQLITE_PRIVATE const char sqlite3StrBINARY[] = "BINARY";

/************** End of global.c **********************************************/
/************** Begin file ctime.c *******************************************/
/*
** 2010 February 23
**
** The author disclaims copyright to this source code.  In place of
** a legal notice, here is a blessing:

** based on information extract from the raw disk page.
*/
struct CellInfo {
  i64 nKey;      /* The key for INTKEY tables, or nPayload otherwise */
  u8 *pPayload;  /* Pointer to the start of payload */
  u32 nPayload;  /* Bytes of payload */
  u16 nLocal;    /* Amount of payload held locally, not on overflow */

  u16 nSize;     /* Size of the cell content on the main b-tree page */
};

/*
** Maximum depth of an SQLite B-Tree structure. Any B-Tree deeper than
** this will be declared corrupt. This value is calculated based on a
** maximum database size of 2^31 pages a minimum fanout of 2 for a

  testcase( surplus==maxLocal );
  testcase( surplus==maxLocal+1 );
  if( surplus <= maxLocal ){
    pInfo->nLocal = (u16)surplus;
  }else{
    pInfo->nLocal = (u16)minLocal;
  }
  pInfo->nSize = (u16)(&pInfo->pPayload[pInfo->nLocal] - pCell) + 4;

}

/*
** The following routines are implementations of the MemPage.xParseCell()
** method.
**
** Parse a cell content block and fill in the CellInfo structure.

  assert( pPage->childPtrSize==4 );
#ifndef SQLITE_DEBUG
  UNUSED_PARAMETER(pPage);
#endif
  pInfo->nSize = 4 + getVarint(&pCell[4], (u64*)&pInfo->nKey);
  pInfo->nPayload = 0;
  pInfo->nLocal = 0;

  pInfo->pPayload = 0;
  return;
}
static void btreeParseCellPtr(
  MemPage *pPage,         /* Page containing the cell */
  u8 *pCell,              /* Pointer to the cell text. */
  CellInfo *pInfo         /* Fill in this structure */

  if( nPayload<=pPage->maxLocal ){
    /* This is the (easy) common case where the entire payload fits
    ** on the local page.  No overflow is required.
    */
    pInfo->nSize = nPayload + (u16)(pIter - pCell);
    if( pInfo->nSize<4 ) pInfo->nSize = 4;
    pInfo->nLocal = (u16)nPayload;

  }else{
    btreeParseCellAdjustSizeForOverflow(pPage, pCell, pInfo);
  }
}
static void btreeParseCellPtrIndex(
  MemPage *pPage,         /* Page containing the cell */
  u8 *pCell,              /* Pointer to the cell text. */

  if( nPayload<=pPage->maxLocal ){
    /* This is the (easy) common case where the entire payload fits
    ** on the local page.  No overflow is required.
    */
    pInfo->nSize = nPayload + (u16)(pIter - pCell);
    if( pInfo->nSize<4 ) pInfo->nSize = 4;
    pInfo->nLocal = (u16)nPayload;

  }else{
    btreeParseCellAdjustSizeForOverflow(pPage, pCell, pInfo);
  }
}
static void btreeParseCell(
  MemPage *pPage,         /* Page containing the cell */
  int iCell,              /* The cell index.  First cell is 0 */

** for the overflow page.
*/
static void ptrmapPutOvflPtr(MemPage *pPage, u8 *pCell, int *pRC){
  CellInfo info;
  if( *pRC ) return;
  assert( pCell!=0 );
  pPage->xParseCell(pPage, pCell, &info);
  if( info.nLocal<info.nPayload ){
    Pgno ovfl = get4byte(&pCell[info.nSize-4]);
    ptrmapPut(pPage->pBt, ovfl, PTRMAP_OVERFLOW1, pPage->pgno, pRC);
  }
}
#endif


/*

    nCell = pPage->nCell;

    for(i=0; i<nCell; i++){
      u8 *pCell = findCell(pPage, i);
      if( eType==PTRMAP_OVERFLOW1 ){
        CellInfo info;
        pPage->xParseCell(pPage, pCell, &info);
        if( info.nLocal<info.nPayload
         && pCell+info.nSize-1<=pPage->aData+pPage->maskPage
         && iFrom==get4byte(pCell+info.nSize-4)
        ){
          put4byte(pCell+info.nSize-4, iTo);
          break;
        }
      }else{
        if( get4byte(pCell)==iFrom ){
          put4byte(pCell, iTo);
          break;
        }

  int rc;
  int nOvfl;
  u32 ovflPageSize;

  assert( sqlite3_mutex_held(pPage->pBt->mutex) );
  pPage->xParseCell(pPage, pCell, &info);
  *pnSize = info.nSize;
  if( info.nLocal==info.nPayload ){
    return SQLITE_OK;  /* No overflow pages. Return without doing anything */
  }
  if( pCell+info.nSize-1 > pPage->aData+pPage->maskPage ){
    return SQLITE_CORRUPT_BKPT;  /* Cell extends past end of page */
  }
  ovflPgno = get4byte(pCell + info.nSize - 4);
  assert( pBt->usableSize > 4 );
  ovflPageSize = pBt->usableSize - 4;
  nOvfl = (info.nPayload - info.nLocal + ovflPageSize - 1)/ovflPageSize;
  assert( nOvfl>0 || 
    (CORRUPT_DB && (info.nPayload + ovflPageSize)<ovflPageSize)
  );
  while( nOvfl-- ){

  {
    CellInfo info;
    pPage->xParseCell(pPage, pCell, &info);
    assert( nHeader=(int)(info.pPayload - pCell) );
    assert( info.nKey==nKey );
    assert( *pnSize == info.nSize );
    assert( spaceLeft == info.nLocal );

  }
#endif

  /* Write the payload into the local Cell and any extra into overflow pages */
  while( nPayload>0 ){
    if( spaceLeft==0 ){
#ifndef SQLITE_OMIT_AUTOVACUUM

    for(j=0; j<pPage->nCell; j++){
      CellInfo info;
      u8 *z;
     
      z = findCell(pPage, j);
      pPage->xParseCell(pPage, z, &info);
      if( info.nLocal<info.nPayload ){
        Pgno ovfl = get4byte(&z[info.nSize-4]);
        ptrmapGet(pBt, ovfl, &e, &n);
        assert( n==pPage->pgno && e==PTRMAP_OVERFLOW1 );
      }
      if( !pPage->leaf ){
        Pgno child = get4byte(z);
        ptrmapGet(pBt, child, &e, &n);
        assert( n==pPage->pgno && e==PTRMAP_BTREE );

      maxKey = info.nKey;
    }

    /* Check the content overflow list */
    if( info.nPayload>info.nLocal ){
      int nPage;       /* Number of pages on the overflow chain */
      Pgno pgnoOvfl;   /* First page of the overflow chain */
      assert( pc + info.nSize - 4 <= usableSize );
      nPage = (info.nPayload - info.nLocal + usableSize - 5)/(usableSize - 4);
      pgnoOvfl = get4byte(&pCell[info.nSize - 4]);
#ifndef SQLITE_OMIT_AUTOVACUUM
      if( pBt->autoVacuum ){
        checkPtrmap(pCheck, pgnoOvfl, PTRMAP_OVERFLOW1, iPage);
      }
#endif
      checkList(pCheck, 0, pgnoOvfl, nPage);
    }

    if( (f1 & MEM_Str)==0 ){
      return 1;
    }
    if( (f2 & MEM_Str)==0 ){
      return -1;
    }

    assert( pMem1->enc==pMem2->enc || pMem1->db->mallocFailed );
    assert( pMem1->enc==SQLITE_UTF8 || 
            pMem1->enc==SQLITE_UTF16LE || pMem1->enc==SQLITE_UTF16BE );

    /* The collation sequence must be defined at this point, even if
    ** the user deletes the collation sequence after the vdbe program is
    ** compiled (this was not always the case).
    */

      }
      break;
    }
  }else{
    /* Neither operand is NULL.  Do a comparison. */
    affinity = pOp->p5 & SQLITE_AFF_MASK;
    if( affinity>=SQLITE_AFF_NUMERIC ){
      if( (flags1 & (MEM_Int|MEM_Real|MEM_Str))==MEM_Str ){
        applyNumericAffinity(pIn1,0);
      }
      if( (flags3 & (MEM_Int|MEM_Real|MEM_Str))==MEM_Str ){
        applyNumericAffinity(pIn3,0);
      }
    }else if( affinity==SQLITE_AFF_TEXT ){
      if( (flags1 & MEM_Str)==0 && (flags1 & (MEM_Int|MEM_Real))!=0 ){
        testcase( pIn1->flags & MEM_Int );
        testcase( pIn1->flags & MEM_Real );
        sqlite3VdbeMemStringify(pIn1, encoding, 1);
        testcase( (flags1&MEM_Dyn) != (pIn1->flags&MEM_Dyn) );
        flags1 = (pIn1->flags & ~MEM_TypeMask) | (flags1 & MEM_TypeMask);
      }
      if( (flags3 & MEM_Str)==0 && (flags3 & (MEM_Int|MEM_Real))!=0 ){
        testcase( pIn3->flags & MEM_Int );
        testcase( pIn3->flags & MEM_Real );
        sqlite3VdbeMemStringify(pIn3, encoding, 1);
        testcase( (flags3&MEM_Dyn) != (pIn3->flags&MEM_Dyn) );
        flags3 = (pIn3->flags & ~MEM_TypeMask) | (flags3 & MEM_TypeMask);
      }
    }
    assert( pOp->p4type==P4_COLLSEQ || pOp->p4.pColl==0 );
    if( flags1 & MEM_Zero ){
      sqlite3VdbeMemExpandBlob(pIn1);
      flags1 &= ~MEM_Zero;
    }
    if( flags3 & MEM_Zero ){
      sqlite3VdbeMemExpandBlob(pIn3);
      flags3 &= ~MEM_Zero;
    }

    res = sqlite3MemCompare(pIn3, pIn1, pOp->p4.pColl);
  }
  switch( pOp->opcode ){
    case OP_Eq:    res = res==0;     break;
    case OP_Ne:    res = res!=0;     break;
    case OP_Lt:    res = res<0;      break;
    case OP_Le:    res = res<=0;     break;

  sqlite3DbFree(db, zName);
  return;
}

/* Set properties of a table column based on the (magical)
** name of the column.
*/

#if SQLITE_ENABLE_HIDDEN_COLUMNS
SQLITE_PRIVATE void sqlite3ColumnPropertiesFromName(Table *pTab, Column *pCol){
  if( sqlite3_strnicmp(pCol->zName, "__hidden__", 10)==0 ){
    pCol->colFlags |= COLFLAG_HIDDEN;
  }else if( pTab && pCol!=pTab->aCol && (pCol[-1].colFlags & COLFLAG_HIDDEN) ){
    pTab->tabFlags |= TF_OOOHidden;
  }

}
#endif


/*
** Add a new column to the table currently being constructed.
**
** The parser calls this routine once for each column declaration
** in a CREATE TABLE statement.  sqlite3StartTable() gets called

  int nByte;
  if( pIdx->nColumn>=N ) return SQLITE_OK;
  assert( pIdx->isResized==0 );
  nByte = (sizeof(char*) + sizeof(i16) + 1)*N;
  zExtra = sqlite3DbMallocZero(db, nByte);
  if( zExtra==0 ) return SQLITE_NOMEM;
  memcpy(zExtra, pIdx->azColl, sizeof(char*)*pIdx->nColumn);
  pIdx->azColl = (const char**)zExtra;
  zExtra += sizeof(char*)*N;
  memcpy(zExtra, pIdx->aiColumn, sizeof(i16)*pIdx->nColumn);
  pIdx->aiColumn = (i16*)zExtra;
  zExtra += sizeof(i16)*N;
  memcpy(zExtra, pIdx->aSortOrder, pIdx->nColumn);
  pIdx->aSortOrder = (u8*)zExtra;
  pIdx->nColumn = N;

  */
  if( nPk<pTab->nCol ){
    if( resizeIndexObject(db, pPk, pTab->nCol) ) return;
    for(i=0, j=nPk; i<pTab->nCol; i++){
      if( !hasColumn(pPk->aiColumn, j, i) ){
        assert( j<pPk->nColumn );
        pPk->aiColumn[j] = i;
        pPk->azColl[j] = sqlite3StrBINARY;
        j++;
      }
    }
    assert( pPk->nColumn==j );
    assert( pTab->nCol==j );
  }else{
    pPk->nColumn = pTab->nCol;

          ROUND8(sizeof(char*)*nCol) +         /* Index.azColl     */
          ROUND8(sizeof(LogEst)*(nCol+1) +     /* Index.aiRowLogEst   */
                 sizeof(i16)*nCol +            /* Index.aiColumn   */
                 sizeof(u8)*nCol);             /* Index.aSortOrder */
  p = sqlite3DbMallocZero(db, nByte + nExtra);
  if( p ){
    char *pExtra = ((char*)p)+ROUND8(sizeof(Index));
    p->azColl = (const char**)pExtra; pExtra += ROUND8(sizeof(char*)*nCol);
    p->aiRowLogEst = (LogEst*)pExtra; pExtra += sizeof(LogEst)*(nCol+1);
    p->aiColumn = (i16*)pExtra;       pExtra += sizeof(i16)*nCol;
    p->aSortOrder = (u8*)pExtra;
    p->nColumn = nCol;
    p->nKeyCol = nCol - 1;
    *ppExtra = ((char*)p) + nByte;
  }

  ** TODO: Issue a warning if two or more columns of the index are identical.
  ** TODO: Issue a warning if the table primary key is used as part of the
  ** index key.
  */
  for(i=0, pListItem=pList->a; i<pList->nExpr; i++, pListItem++){
    Expr *pCExpr;                  /* The i-th index expression */
    int requestedSortOrder;        /* ASC or DESC on the i-th expression */
    const char *zColl;             /* Collation sequence name */

    sqlite3StringToId(pListItem->pExpr);
    sqlite3ResolveSelfReference(pParse, pTab, NC_IdxExpr, pListItem->pExpr, 0);
    if( pParse->nErr ) goto exit_create_index;
    pCExpr = sqlite3ExprSkipCollate(pListItem->pExpr);
    if( pCExpr->op!=TK_COLUMN ){
      if( pTab==pParse->pNewTable ){

      memcpy(zExtra, zColl, nColl);
      zColl = zExtra;
      zExtra += nColl;
      nExtra -= nColl;
    }else if( j>=0 ){
      zColl = pTab->aCol[j].zColl;
    }
    if( !zColl ) zColl = sqlite3StrBINARY;
    if( !db->init.busy && !sqlite3LocateCollSeq(pParse, zColl) ){
      goto exit_create_index;
    }
    pIndex->azColl[i] = zColl;
    requestedSortOrder = pListItem->sortOrder & sortOrderMask;
    pIndex->aSortOrder[i] = (u8)requestedSortOrder;
  }

        pIndex->aSortOrder[i] = pPk->aSortOrder[j];
        i++;
      }
    }
    assert( i==pIndex->nColumn );
  }else{
    pIndex->aiColumn[i] = XN_ROWID;
    pIndex->azColl[i] = sqlite3StrBINARY;
  }
  sqlite3DefaultRowEst(pIndex);
  if( pParse->pNewTable==0 ) estimateIndexWidth(pIndex);

  if( pTab==pParse->pNewTable ){
    /* This routine has been called to create an automatic index as a
    ** result of a PRIMARY KEY or UNIQUE clause on a column definition, or

    pKey = sqlite3KeyInfoAlloc(pParse->db, nKey, nCol-nKey);
  }else{
    pKey = sqlite3KeyInfoAlloc(pParse->db, nCol, 0);
  }
  if( pKey ){
    assert( sqlite3KeyInfoIsWriteable(pKey) );
    for(i=0; i<nCol; i++){
      const char *zColl = pIdx->azColl[i];

      pKey->aColl[i] = zColl==sqlite3StrBINARY ? 0 :
                        sqlite3LocateCollSeq(pParse, zColl);
      pKey->aSortOrder[i] = pIdx->aSortOrder[i];
    }
    if( pParse->nErr ){
      sqlite3KeyInfoUnref(pKey);
      pKey = 0;
    }

          return 0;
        }
        continue;
      }
    }
    c2 = Utf8Read(zString);
    if( c==c2 ) continue;
    if( noCase && sqlite3Tolower(c)==sqlite3Tolower(c2) ){
      continue;
    }
    if( c==matchOne && zPattern!=zEscaped && c2!=0 ) continue;
    return 0;
  }
  return *zString==0;
}

        /* If zKey is non-NULL, then this foreign key was declared to
        ** map to an explicit list of columns in table pParent. Check if this
        ** index matches those columns. Also, check that the index uses
        ** the default collation sequences for each column. */
        int i, j;
        for(i=0; i<nCol; i++){
          i16 iCol = pIdx->aiColumn[i];     /* Index of column in parent tbl */
          const char *zDfltColl;            /* Def. collation for column */
          char *zIdxCol;                    /* Name of indexed column */

          if( iCol<0 ) break; /* No foreign keys against expression indexes */

          /* If the index uses a collation sequence that is different from
          ** the default collation sequence for the column, this index is
          ** unusable. Bail out early in this case.  */
          zDfltColl = pParent->aCol[iCol].zColl;
          if( !zDfltColl ) zDfltColl = sqlite3StrBINARY;


          if( sqlite3StrICmp(pIdx->azColl[i], zDfltColl) ) break;

          zIdxCol = pParent->aCol[iCol].zName;
          for(j=0; j<nCol; j++){
            if( sqlite3StrICmp(pFKey->aCol[j].zCol, zIdxCol)==0 ){
              if( aiCol ) aiCol[i] = pFKey->aCol[j].iFrom;
              break;

** is happening when it is supposed to.
*/
SQLITE_API int sqlite3_xferopt_count;
#endif /* SQLITE_TEST */


#ifndef SQLITE_OMIT_XFER_OPT














/*
** Check to see if index pSrc is compatible as a source of data
** for index pDest in an insert transfer optimization.  The rules
** for a compatible index:
**
**    *   The index is over the same set of columns
**    *   The same DESC and ASC markings occurs on all columns

                             pDest->aColExpr->a[i].pExpr, -1)!=0 ){
        return 0;   /* Different expressions in the index */
      }
    }
    if( pSrc->aSortOrder[i]!=pDest->aSortOrder[i] ){
      return 0;   /* Different sort orders */
    }
    if( sqlite3_stricmp(pSrc->azColl[i],pDest->azColl[i])!=0 ){
      return 0;   /* Different collating sequences */
    }
  }
  if( sqlite3ExprCompare(pSrc->pPartIdxWhere, pDest->pPartIdxWhere, -1) ){
    return 0;     /* Different WHERE clauses */
  }

    ){
      return 0;    /* Neither table may have __hidden__ columns */
    }
#endif
    if( pDestCol->affinity!=pSrcCol->affinity ){
      return 0;    /* Affinity must be the same on all columns */
    }
    if( sqlite3_stricmp(pDestCol->zColl, pSrcCol->zColl)!=0 ){
      return 0;    /* Collating sequence must be the same on all columns */
    }
    if( pDestCol->notNull && !pSrcCol->notNull ){
      return 0;    /* tab2 must be NOT NULL if tab1 is */
    }
    /* Default values for second and subsequent columns need to match. */
    if( i>0

      **
      ** If any of the indexed columns use a collation sequence other than
      ** BINARY, this optimization is disabled. This is because the user 
      ** might change the definition of a collation sequence and then run
      ** a VACUUM command. In that case keys may not be written in strictly
      ** sorted order.  */
      for(i=0; i<pSrcIdx->nColumn; i++){
        const char *zColl = pSrcIdx->azColl[i];
        assert( sqlite3_stricmp(sqlite3StrBINARY, zColl)!=0
                    || sqlite3StrBINARY==zColl );
        if( sqlite3_stricmp(sqlite3StrBINARY, zColl) ) break;
      }
      if( i==pSrcIdx->nColumn ){
        idxInsFlags = OPFLAG_USESEEKRESULT;
        sqlite3VdbeAddOp3(v, OP_Last, iDest, 0, -1);
      }
    }
    if( !HasRowid(pSrc) && pDestIdx->idxType==2 ){

/*
** An instance of the WhereScan object is used as an iterator for locating
** terms in the WHERE clause that are useful to the query planner.
*/
struct WhereScan {
  WhereClause *pOrigWC;      /* Original, innermost WhereClause */
  WhereClause *pWC;          /* WhereClause currently being scanned */
  const char *zCollName;     /* Required collating sequence, if not NULL */
  Expr *pIdxExpr;            /* Search for this index expression */
  char idxaff;               /* Must match this affinity, if zCollName!=NULL */
  unsigned char nEquiv;      /* Number of entries in aEquiv[] */
  unsigned char iEquiv;      /* Next unused slot in aEquiv[] */
  u32 opMask;                /* Acceptable operators */
  int k;                     /* Resume scanning at this->pWC->a[this->k] */
  int aiCur[11];             /* Cursors in the equivalence class */

      testcase( iCol==BMS-1 );
      testcase( iCol==BMS );
      if( (idxCols & cMask)==0 ){
        Expr *pX = pTerm->pExpr;
        idxCols |= cMask;
        pIdx->aiColumn[n] = pTerm->u.leftColumn;
        pColl = sqlite3BinaryCompareCollSeq(pParse, pX->pLeft, pX->pRight);
        pIdx->azColl[n] = pColl ? pColl->zName : sqlite3StrBINARY;
        n++;
      }
    }
  }
  assert( (u32)n==pLoop->u.btree.nEq );

  /* Add additional columns needed to make the automatic index into
  ** a covering index */
  for(i=0; i<mxBitCol; i++){
    if( extraCols & MASKBIT(i) ){
      pIdx->aiColumn[n] = i;
      pIdx->azColl[n] = sqlite3StrBINARY;
      n++;
    }
  }
  if( pSrc->colUsed & MASKBIT(BMS-1) ){
    for(i=BMS-1; i<pTable->nCol; i++){
      pIdx->aiColumn[n] = i;
      pIdx->azColl[n] = sqlite3StrBINARY;
      n++;
    }
  }
  assert( n==nKeyCol );
  pIdx->aiColumn[n] = XN_ROWID;
  pIdx->azColl[n] = sqlite3StrBINARY;

  /* Create the automatic index */
  assert( pLevel->iIdxCur>=0 );
  pLevel->iIdxCur = pParse->nTab++;
  sqlite3VdbeAddOp2(v, OP_OpenAutoindex, pLevel->iIdxCur, nKeyCol+1);
  sqlite3VdbeSetP4KeyInfo(pParse, pIdx);
  VdbeComment((v, "for %s", pTable->zName));

  /* Add the default collation sequence BINARY. BINARY works for both UTF-8
  ** and UTF-16, so add a version for each to avoid any unnecessary
  ** conversions. The only error that can occur here is a malloc() failure.
  **
  ** EVIDENCE-OF: R-52786-44878 SQLite defines three built-in collating
  ** functions:
  */
  createCollation(db, sqlite3StrBINARY, SQLITE_UTF8, 0, binCollFunc, 0);
  createCollation(db, sqlite3StrBINARY, SQLITE_UTF16BE, 0, binCollFunc, 0);
  createCollation(db, sqlite3StrBINARY, SQLITE_UTF16LE, 0, binCollFunc, 0);
  createCollation(db, "NOCASE", SQLITE_UTF8, 0, nocaseCollatingFunc, 0);
  createCollation(db, "RTRIM", SQLITE_UTF8, (void*)1, binCollFunc, 0);
  if( db->mallocFailed ){
    goto opendb_out;
  }
  /* EVIDENCE-OF: R-08308-17224 The default collating function for all
  ** strings is BINARY. 
  */
  db->pDfltColl = sqlite3FindCollSeq(db, SQLITE_UTF8, sqlite3StrBINARY, 0);
  assert( db->pDfltColl!=0 );

  /* Parse the filename/URI argument. */
  db->openFlags = flags;
  rc = sqlite3ParseUri(zVfs, zFilename, &flags, &db->pVfs, &zOpen, &zErrMsg);
  if( rc!=SQLITE_OK ){
    if( rc==SQLITE_NOMEM ) db->mallocFailed = 1;

    primarykey  = (pCol->colFlags & COLFLAG_PRIMKEY)!=0;
    autoinc = pTab->iPKey==iCol && (pTab->tabFlags & TF_Autoincrement)!=0;
  }else{
    zDataType = "INTEGER";
    primarykey = 1;
  }
  if( !zCollSeq ){
    zCollSeq = sqlite3StrBINARY;
  }

error_out:
  sqlite3BtreeLeaveAll(db);

  /* Whether the function call succeeded or failed, set the output parameters
  ** to whatever their local counterparts contain. If an error did occur,

/*
** Free a snapshot handle obtained from sqlite3_snapshot_get().
*/
SQLITE_API void SQLITE_STDCALL sqlite3_snapshot_free(sqlite3_snapshot *pSnapshot){
  sqlite3_free(pSnapshot);
}
#endif /* SQLITE_ENABLE_SNAPSHOT */


/************** End of main.c ************************************************/
/************** Begin file notify.c ******************************************/
/*
** 2009 March 3
**
** The author disclaims copyright to this source code.  In place of

){
  UNUSED_PARAM(argc);
  sqlite3_result_int(ctx, sqlite3_value_subtype(argv[0])==JSON_SUBTYPE);
}
#endif /* SQLITE_DEBUG */

/****************************************************************************
** Scalar SQL function implementations
****************************************************************************/

/*
** Implementation of the json_array(VALUE,...) function.  Return a JSON
** array that contains all values given in arguments.  Or if any argument
** is a BLOB, throw an error.
*/

  UNUSED_PARAM(argc);
  if( jsonParse(&x, 0, (const char*)sqlite3_value_text(argv[0]))==0 ){
    rc = 1;
  }
  jsonParseReset(&x);
  sqlite3_result_int(ctx, rc);
}


/****************************************************************************
** Aggregate SQL function implementations
****************************************************************************/
/*
** json_group_array(VALUE)
**
** Return a JSON array composed of all values in the aggregate.
*/
static void jsonArrayStep(
  sqlite3_context *ctx,
  int argc,
  sqlite3_value **argv
){
  JsonString *pStr;
  pStr = (JsonString*)sqlite3_aggregate_context(ctx, sizeof(*pStr));
  if( pStr ){
    if( pStr->zBuf==0 ){
      jsonInit(pStr, ctx);
      jsonAppendChar(pStr, '[');
    }else{
      jsonAppendChar(pStr, ',');
      pStr->pCtx = ctx;
    }
    jsonAppendValue(pStr, argv[0]);
  }
}
static void jsonArrayFinal(sqlite3_context *ctx){
  JsonString *pStr;
  pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0);
  if( pStr ){
    pStr->pCtx = ctx;
    jsonAppendChar(pStr, ']');
    if( pStr->bErr ){
      sqlite3_result_error_nomem(ctx);
      if( !pStr->bStatic ) sqlite3_free(pStr->zBuf);
    }else{
      sqlite3_result_text(ctx, pStr->zBuf, pStr->nUsed,
                          pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free);
      pStr->bStatic = 1;
    }
  }else{
    sqlite3_result_text(ctx, "[]", 2, SQLITE_STATIC);
  }
  sqlite3_result_subtype(ctx, JSON_SUBTYPE);
}

/*
** json_group_obj(NAME,VALUE)
**
** Return a JSON object composed of all names and values in the aggregate.
*/
static void jsonObjectStep(
  sqlite3_context *ctx,
  int argc,
  sqlite3_value **argv
){
  JsonString *pStr;
  const char *z;
  u32 n;
  pStr = (JsonString*)sqlite3_aggregate_context(ctx, sizeof(*pStr));
  if( pStr ){
    if( pStr->zBuf==0 ){
      jsonInit(pStr, ctx);
      jsonAppendChar(pStr, '{');
    }else{
      jsonAppendChar(pStr, ',');
      pStr->pCtx = ctx;
    }
    z = (const char*)sqlite3_value_text(argv[0]);
    n = (u32)sqlite3_value_bytes(argv[0]);
    jsonAppendString(pStr, z, n);
    jsonAppendChar(pStr, ':');
    jsonAppendValue(pStr, argv[1]);
  }
}
static void jsonObjectFinal(sqlite3_context *ctx){
  JsonString *pStr;
  pStr = (JsonString*)sqlite3_aggregate_context(ctx, 0);
  if( pStr ){
    jsonAppendChar(pStr, '}');
    if( pStr->bErr ){
      sqlite3_result_error_nomem(ctx);
      if( !pStr->bStatic ) sqlite3_free(pStr->zBuf);
    }else{
      sqlite3_result_text(ctx, pStr->zBuf, pStr->nUsed,
                          pStr->bStatic ? SQLITE_TRANSIENT : sqlite3_free);
      pStr->bStatic = 1;
    }
  }else{
    sqlite3_result_text(ctx, "{}", 2, SQLITE_STATIC);
  }
  sqlite3_result_subtype(ctx, JSON_SUBTYPE);
}


#ifndef SQLITE_OMIT_VIRTUALTABLE
/****************************************************************************
** The json_each virtual table
****************************************************************************/
typedef struct JsonEachCursor JsonEachCursor;
struct JsonEachCursor {

#if SQLITE_DEBUG
    /* DEBUG and TESTING functions */
    { "json_parse",           1, 0,   jsonParseFunc         },
    { "json_test1",           1, 0,   jsonTest1Func         },
#endif
  };
  static const struct {
     const char *zName;
     int nArg;
     void (*xStep)(sqlite3_context*,int,sqlite3_value**);
     void (*xFinal)(sqlite3_context*);
  } aAgg[] = {
    { "json_group_array",     1,   jsonArrayStep,   jsonArrayFinal  },
    { "json_group_object",    2,   jsonObjectStep,  jsonObjectFinal },
  };
#ifndef SQLITE_OMIT_VIRTUALTABLE
  static const struct {
     const char *zName;
     sqlite3_module *pModule;
  } aMod[] = {
    { "json_each",            &jsonEachModule               },
    { "json_tree",            &jsonTreeModule               },
  };
#endif
  for(i=0; i<sizeof(aFunc)/sizeof(aFunc[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aFunc[i].zName, aFunc[i].nArg,
                                 SQLITE_UTF8 | SQLITE_DETERMINISTIC, 
                                 (void*)&aFunc[i].flag,
                                 aFunc[i].xFunc, 0, 0);
  }
  for(i=0; i<sizeof(aAgg)/sizeof(aAgg[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_function(db, aAgg[i].zName, aAgg[i].nArg,
                                 SQLITE_UTF8 | SQLITE_DETERMINISTIC, 0,
                                 0, aAgg[i].xStep, aAgg[i].xFinal);
  }
#ifndef SQLITE_OMIT_VIRTUALTABLE
  for(i=0; i<sizeof(aMod)/sizeof(aMod[0]) && rc==SQLITE_OK; i++){
    rc = sqlite3_create_module(db, aMod[i].zName, aMod[i].pModule, 0);
  }
#endif
  return rc;
}

*/
static void fts5SourceIdFunc(
  sqlite3_context *pCtx,          /* Function call context */
  int nArg,                       /* Number of args */
  sqlite3_value **apVal           /* Function arguments */
){
  assert( nArg==0 );
  sqlite3_result_text(pCtx, "fts5: 2015-12-30 14:06:22 0a99a8c4facf65ec67d8d86108c9a3f723f7cbd6", -1, SQLITE_TRANSIENT);
}

static int fts5Init(sqlite3 *db){
  static const sqlite3_module fts5Mod = {
    /* iVersion      */ 2,
    /* xCreate       */ fts5CreateMethod,
    /* xConnect      */ fts5ConnectMethod,

**
** See also: [sqlite3_libversion()],
** [sqlite3_libversion_number()], [sqlite3_sourceid()],
** [sqlite_version()] and [sqlite_source_id()].
*/
#define SQLITE_VERSION        "3.10.0"
#define SQLITE_VERSION_NUMBER 3010000
#define SQLITE_SOURCE_ID      "2015-12-31 15:34:03 9c392c1019ee15f27c8e05b41246d2844f91f6c0"

/*
** 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