Database init updated

/**_____________________________________________________________________________

 *

 *                                 OATS - INAF

 *  Osservatorio Astronomico di Tireste - Istituto Nazionale di Astrofisica

 *  Astronomical Observatory of Trieste - National Institute for Astrophysics

 * ____________________________________________________________________________

 *

 * Copyright (C) 2020  Istituto Nazionale di Astrofisica

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software Foundation, Inc., 

 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

 * _____________________________________________________________________________

 **/

/*

 * To change this license header, choose License Headers in Project Properties.

 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

/**

 * Author:  bertocco

 * Created: Sep 17, 2020

    VOSpace front-end

*/

CREATE EXTENSION IF NOT EXISTS ltree;

CREATE TABLE node (

  id                BIGSERIAL       PRIMARY KEY,

  ivo_id            text            NOT NULL,

  name              text            NOT NULL,

  type              text            NOT NULL,

  format            text            NOT NULL,

/* format e` per distinguere unstuctured (format=NULL da structured che hanno 

un formato noto)

*/

  asyncTrans        boolean         NOT NULL, 

/* asyncTransf serve per indicare se il nodo e` ospitato da un cold storage e 

deve essere necessariamente trasferito con un trasferimento asincrono */

  busyState         CHAR(1)         NOT NULL,

  ownerID           INT             NOT NULL,

  creatorID         INT             NOT NULL,

  groupRead         text            default NULL,

  groupWrite        text            default NULL,

  isPublic          CHAR(1)         NOT NULL default 'Y',

CREATE TYPE NodeType AS ENUM ('container', 'data', 'link');

CREATE TYPE LocationType AS ENUM ('virtual', 'tape', 'user', 'LBT');

CREATE TABLE Node (

    node_id                BIGSERIAL     NOT NULL,

    parent_path            LTREE         default NULL,

    parent_relative_path   LTREE         default NULL,

    name                   VARCHAR       NOT NULL,

    os_name                VARCHAR       default NULL,

    tstamp_wrapper_dir     VARCHAR       default NULL,

    type                   NodeType      NOT NULL,

    location_type          LocationType  default NULL,

    format                 VARCHAR       default NULL,

    -- format serve per distinguere unstuctured (format=NULL) da structured che hanno un formato noto

    async_trans            BOOLEAN       default NULL,

    -- async_trans serve per indicare se il nodo e` ospitato da un cold storage e deve essere necessariamente 

    -- trasferito con un trasferimento asincrono 

    busy_state             BOOLEAN       default NULL,

    owner_id               VARCHAR       default NULL,

    creator_id             VARCHAR       default NULL,

    group_read             VARCHAR[]     default NULL,

    group_write            VARCHAR[]     default NULL,

    is_public              BOOLEAN       default NULL,

    delta                  BIGINT        default NULL,

    /* potrebbe essere un delta di dati trasferito durante un trasferimento asincrono.

       Dovrebbe stare sul servizio che fa il trasferimento  (es. redis) */

  contentType       VARCHAR(100)    default NULL,

  contentEncoding   VARCHAR(50)     default NULL,

  contentLength     BIGINT          default NULL,

  contentMD5        VARCHAR(256)    default NULL,

  creationDate      timestamp       NOT NULL DEFAULT NOW(),

  lastModification  timestamp       NOT NULL DEFAULT NOW(),

  /*

  link             TEXT          default NULL,

  */  

  acceptViews      TEXT[],

  provideViews     TEXT[], 

  /*

   storageID       VARCHAR(256),

   serve per mappare il nome del servizio di storage da interrogare per accedere al contenuto di questo nodo */

  protocols       TEXT[],

  path            ltree             NOT NULL

  /*

  is_leaf boolean,

  */

    content_type           VARCHAR       default NULL,

    content_encoding       VARCHAR       default NULL,

    content_length         BIGINT        default NULL,

    content_md5            TEXT          default NULL,

    created_on             TIMESTAMP     default CURRENT_TIMESTAMP,

    last_modified          TIMESTAMP     default NULL,

    -- link                  TEXT          default NULL,

    accept_views           TEXT[]        default NULL,

    provide_views          TEXT[]        default NULL,

    -- serve per mappare il nome del servizio di storage da interrogare per accedere al contenuto di questo nodo 

    -- storage_id            VARCHAR,    

    protocols              TEXT[]        default NULL,

    PRIMARY KEY (node_id)

);

  CONSTRAINT ivo_id_unique UNIQUE (ivo_id)

CREATE TABLE NodeProperty (

    node_id           BIGSERIAL,

    property_uri      VARCHAR       NOT NULL,

    property_value    VARCHAR       default NULL,

    last_modified     TIMESTAMP     default CURRENT_TIMESTAMP,

    -- support replication with a fake primary key

    -- _rep_support     BIGINT       NOT NULL PRIMARY KEY,

    foreign key (node_id) references Node (node_id)

);

CREATE TABLE DeletedNode (

    node_id           BIGSERIAL     NOT NULL,

    name              VARCHAR       NOT NULL,

    owner_id          VARCHAR       NOT NULL,

    last_modified     TIMESTAMP     default CURRENT_TIMESTAMP,

    PRIMARY KEY (node_id)

);

CREATE TABLE Users (

    rap_id            VARCHAR       NOT NULL,

    user_name         VARCHAR       NOT NULL,

    e_mail            VARCHAR       NOT NULL,

    PRIMARY KEY (rap_id)

);