Fossil

                          db_now_function, 0, 0);
  sqlite3_create_function(db, "toLocal", 0, SQLITE_UTF8, 0,
                          db_tolocal_function, 0, 0);
  sqlite3_create_function(db, "fromLocal", 0, SQLITE_UTF8, 0,
                          db_fromlocal_function, 0, 0);
}

/*
** If the database file zDbFile has a name that suggests that it is
** encrypted, then prompt for the encryption key.
*/
static void db_encryption_key(
  const char *zDbFile,   /* Name of the database file */
  Blob *pKey             /* Put the encryption key here */
){
  blob_init(pKey, 0, 0);
  if( sqlite3_strglob("*efossil", zDbFile)==0 ){
    char *zPrompt = mprintf("\rencryption key for '%s': ", zDbFile);
    prompt_for_password(zPrompt, pKey, 0);
    fossil_free(zPrompt);
  }
}


/*
** Open a database file.  Return a pointer to the new database
** connection.  An error results in process abort.
*/
LOCAL sqlite3 *db_open(const char *zDbName){
  int rc;
  sqlite3 *db;
  Blob key;

  if( g.fSqlTrace ) fossil_trace("-- sqlite3_open: [%s]\n", zDbName);
  rc = sqlite3_open_v2(
       zDbName, &db,
       SQLITE_OPEN_READWRITE | SQLITE_OPEN_CREATE,
       g.zVfsName
  );
  if( rc!=SQLITE_OK ){
    db_err("[%s]: %s", zDbName, sqlite3_errmsg(db));
  }
  db_encryption_key(zDbName, &key);
  if( blob_size(&key)>0 ){
    char *zCmd = sqlite3_mprintf("PRAGMA key(%Q)", blob_str(&key));
    sqlite3_exec(db, zCmd, 0, 0, 0);
    sqlite3_free(zCmd);
  }
  blob_reset(&key);
  sqlite3_busy_timeout(db, 5000);
  sqlite3_wal_autocheckpoint(db, 1);  /* Set to checkpoint frequently */
  sqlite3_create_function(db, "user", 0, SQLITE_UTF8, 0, db_sql_user, 0, 0);
  sqlite3_create_function(db, "cgi", 1, SQLITE_UTF8, 0, db_sql_cgi, 0, 0);
  sqlite3_create_function(db, "cgi", 2, SQLITE_UTF8, 0, db_sql_cgi, 0, 0);
  sqlite3_create_function(db, "print", -1, SQLITE_UTF8, 0,db_sql_print,0,0);
  sqlite3_create_function(

}

/*
** zDbName is the name of a database file.  Attach zDbName using
** the name zLabel.
*/
void db_attach(const char *zDbName, const char *zLabel){
  Blob key;
  db_encryption_key(zDbName, &key);
  db_multi_exec("ATTACH DATABASE %Q AS %Q KEY %Q",
                zDbName, zLabel, blob_str(&key));
  blob_reset(&key);
}

/*
** zDbName is the name of a database file.  If no other database
** file is open, then open this one.  If another database file is
** already open, then attach zDbName using the name zLabel.
*/