text: BEGIN TRANSACTION;
      /* create networks_backup table with the fields like networks was before
      the upgrade */
      CREATE TABLE networks_backup(
          created_at DATETIME,
          updated_at DATETIME,
          deleted_at DATETIME,
          deleted INTEGER,
          id INTEGER NOT NULL,
          injected BOOLEAN,
          cidr VARCHAR(43),
          netmask VARCHAR(43),
          bridge VARCHAR(255),
          gateway VARCHAR(43),
          broadcast VARCHAR(43),
          dns1 VARCHAR(43),
          vlan INTEGER,
          vpn_public_address VARCHAR(43),
          vpn_public_port INTEGER,
          vpn_private_address VARCHAR(43),
          dhcp_start VARCHAR(43),
          project_id VARCHAR(255),
          host VARCHAR(255),
          cidr_v6 VARCHAR(43),
          gateway_v6 VARCHAR(43),
          label VARCHAR(255),
          netmask_v6 VARCHAR(43),
          bridge_interface VARCHAR(255),
          multi_host BOOLEAN,
          dns2 VARCHAR(43),
          uuid VARCHAR(36),
          priority INTEGER,
          rxtx_base INTEGER,
          PRIMARY KEY (id)
      );
  
      /* copy data currently on networks to the backup table and drop networks
      table */
      INSERT INTO networks_backup SELECT * FROM networks;
      DROP TABLE networks;
  
      CREATE TABLE networks (
          created_at DATETIME,
          updated_at DATETIME,
          deleted_at DATETIME,
          deleted INTEGER,
          id INTEGER NOT NULL,
          injected BOOLEAN,
          cidr VARCHAR(43),
          netmask VARCHAR(43),
          bridge VARCHAR(255),
          gateway VARCHAR(43),
          broadcast VARCHAR(43),
          dns1 VARCHAR(43),
          vlan INTEGER,
          vpn_public_address VARCHAR(43),
          vpn_public_port INTEGER,
          vpn_private_address VARCHAR(43),
          dhcp_start VARCHAR(43),
          project_id VARCHAR(255),
          host VARCHAR(255),
          cidr_v6 VARCHAR(43),
          gateway_v6 VARCHAR(43),
          label VARCHAR(255),
          netmask_v6 VARCHAR(43),
          bridge_interface VARCHAR(255),
          multi_host BOOLEAN,
          dns2 VARCHAR(43),
          uuid VARCHAR(36),
          priority INTEGER,
          rxtx_base INTEGER,
          PRIMARY KEY (id),
          CHECK (injected IN (0, 1)),
          CHECK (multi_host IN (0, 1)),
          CONSTRAINT uniq_vlan_x_deleted UNIQUE (vlan, deleted)
  );
  
      /* Get  data from backup table and drop it next */
      INSERT INTO networks SELECT * FROM networks_backup;
      DROP TABLE networks_backup;
  COMMIT;
  