sqlite3 *db;               /* Database connection for this cursor */
  sqlite3_stmt *pStmt;       /* Statement cursor is currently pointing at */
  sqlite3_int64 iRowid;      /* The rowid */
};

/*
** The stmtConnect() method is invoked to create a new
** stmt_vtab that describes the generate_stmt virtual table.
**
** Think of this routine as the constructor for stmt_vtab objects.
**
** All this routine needs to do is:
**
**    (1) Allocate the stmt_vtab object and initialize all fields.
**
**    (2) Tell SQLite (via the sqlite3_declare_vtab() interface) what the
**        result set of queries against generate_stmt will look like.
*/
static int stmtConnect(
  sqlite3 *db,
  void *pAux,
  int argc, const char *const*argv,
  sqlite3_vtab **ppVtab,
  char **pzErr
................................................................................
  pCur->pStmt = 0;
  pCur->iRowid = 0;
  return stmtNext(pVtabCursor);
}

/*
** SQLite will invoke this method one or more times while planning a query
** that uses the generate_stmt virtual table.  This routine needs to create
** a query plan for each invocation and compute an estimated cost for that
** plan.
*/
static int stmtBestIndex(
  sqlite3_vtab *tab,
  sqlite3_index_info *pIdxInfo
){
................................................................................
  pIdxInfo->estimatedCost = (double)500;
  pIdxInfo->estimatedRows = 500;
  return SQLITE_OK;
}

/*
** This following structure defines all the methods for the 
** generate_stmt virtual table.
*/
static sqlite3_module stmtModule = {
  0,                         /* iVersion */
  0,                         /* xCreate */
  stmtConnect,               /* xConnect */
  stmtBestIndex,             /* xBestIndex */
  stmtDisconnect,            /* xDisconnect */

  sqlite3 *db;               /* Database connection for this cursor */
  sqlite3_stmt *pStmt;       /* Statement cursor is currently pointing at */
  sqlite3_int64 iRowid;      /* The rowid */
};

/*
** The stmtConnect() method is invoked to create a new
** stmt_vtab that describes the stmt virtual table.
**
** Think of this routine as the constructor for stmt_vtab objects.
**
** All this routine needs to do is:
**
**    (1) Allocate the stmt_vtab object and initialize all fields.
**
**    (2) Tell SQLite (via the sqlite3_declare_vtab() interface) what the
**        result set of queries against stmt will look like.
*/
static int stmtConnect(
  sqlite3 *db,
  void *pAux,
  int argc, const char *const*argv,
  sqlite3_vtab **ppVtab,
  char **pzErr
................................................................................
  pCur->pStmt = 0;
  pCur->iRowid = 0;
  return stmtNext(pVtabCursor);
}

/*
** SQLite will invoke this method one or more times while planning a query
** that uses the stmt virtual table.  This routine needs to create
** a query plan for each invocation and compute an estimated cost for that
** plan.
*/
static int stmtBestIndex(
  sqlite3_vtab *tab,
  sqlite3_index_info *pIdxInfo
){
................................................................................
  pIdxInfo->estimatedCost = (double)500;
  pIdxInfo->estimatedRows = 500;
  return SQLITE_OK;
}

/*
** This following structure defines all the methods for the 
** stmt virtual table.
*/
static sqlite3_module stmtModule = {
  0,                         /* iVersion */
  0,                         /* xCreate */
  stmtConnect,               /* xConnect */
  stmtBestIndex,             /* xBestIndex */
  stmtDisconnect,            /* xDisconnect */