This section introduces methods on a Connection object for managing access to the instance and graphsets within it, including privileges, policies and users.

Each example focuses solely on the method's usage. For a complete code example, please refer to the full example.

Privilege

showPrivilege()

Retrieves all system privileges and graph privileges, which are actually UQL command names categorized based on their operation scope.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Privilege: All system privileges and graph privileges.

// Retrieves all system privileges and graph privileges

let resp = await conn.showPrivilege();
console.log(resp);

{
  graph_privileges: [
    'TEMPLATE',       'KHOP',            'AB',
    'SPREAD',         'AUTONET',         'FIND',
    'FIND_NODE',      'FIND_EDGE',       'INSERT',
    'EXPORT',         'UPSERT',          'UPDATE',
    'DELETE',         'DELETE_NODE',     'DELETE_EDGE',
    'CREATE_SCHEMA',  'DROP_SCHEMA',     'ALTER_SCHEMA',
    'SHOW_SCHEMA',    'CREATE_TRIGGER',  'DROP_TRIGGER',
    'SHOW_TRIGGER',   'CREATE_BACKUP',   'RESTORE_BACKUP',
    'SHOW_BACKUP',    'CREATE_PROPERTY', 'DROP_PROPERTY',
    'ALTER_PROPERTY', 'SHOW_PROPERTY',   'CREATE_FULLTEXT',
    'DROP_FULLTEXT',  'SHOW_FULLTEXT',   'CREATE_INDEX',
    'DROP_INDEX',     'SHOW_INDEX',      'LTE',
    'UFE',            'CLEAR_TASK',      'STOP_TASK',
    'PAUSE_TASK',     'RESUME_TASK',     'SHOW_TASK',
    'ALGO',           'SHOW_ALGO'
  ],
  system_privileges: [
    'TRUNCATE',      'COMPACT',
    'CREATE_GRAPH',  'SHOW_GRAPH',
    'DROP_GRAPH',    'ALTER_GRAPH',
    'MOUNT_GRAPH',   'UNMOUNT_GRAPH',
    'TOP',           'KILL',
    'STAT',          'SHOW_POLICY',
    'CREATE_POLICY', 'DROP_POLICY',
    'ALTER_POLICY',  'SHOW_USER',
    'CREATE_USER',   'DROP_USER',
    'ALTER_USER',    'GRANT',
    'REVOKE',        'SHOW_PRIVILEGE'
  ]
}

Policy

showPolicy()

Retrieves all policies from the instance. A policy includes system privileges, graph privileges, property privileges and other policies.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Policy[]: The list of all policies in the instance.

// Retrieves all policies and prints their information

let resp = await conn.showPolicy();
for (let i of resp.data) {
  console.log("Policy ", i.name, " includes: "),
    console.log("- System privileges: ", i.system_privileges),
    console.log("- Graph privileges: ", i.graph_privileges),
    console.log("- Property privileges: ", i.property_privileges),
    console.log("- Policies: ", i.policies);
}

Policy  manager  includes: 
- System privileges:  [ 'DROP_POLICY', 'COMPACT' ]
- Graph privileges:  { '*': [ 'CREATE_INDEX', 'DROP_TRIGGER', 'CREATE_FULLTEXT' ] }
- Property privileges:  {
  node: { read: [], write: [], deny: [] },
  edge: { read: [], write: [], deny: [] }
}
- Policies:  [ 'operator' ]
Policy  operator  includes:
- System privileges:  [ 'MOUNT_GRAPH', 'TRUNCATE', 'SHOW_GRAPH' ]
- Graph privileges:  { miniCircle: [ 'UPDATE', 'INSERT', 'TEMPLATE', 'UPSERT', 'AUTONET' ] }
- Property privileges:  {
  node: { read: [], write: [ [Array] ], deny: [] },
  edge: { read: [], write: [], deny: [] }
}
- Policies:  []

getPolicy()

Retrieves a policy from the instance by its name.

Parameters:

• string: Name of the policy.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Policy: The retrieved policy.

// Retrieves a policy 'operator' and prints its information

let resp = await conn.getPolicy("operator");
console.log("Policy ", resp.data.name, " includes: "),
  console.log("- System privileges: ", resp.data.system_privileges),
  console.log("- Graph privileges: ", resp.data.graph_privileges),
  console.log("- Property privileges: ", resp.data.property_privileges),
  console.log("- Policies: ", resp.data.policies);

Policy  operator  includes: 
- System privileges:  [ 'MOUNT_GRAPH', 'TRUNCATE', 'SHOW_GRAPH' ]
- Graph privileges:  { miniCircle: [ 'UPDATE', 'INSERT', 'TEMPLATE', 'UPSERT', 'AUTONET' ] }
- Property privileges:  {
  node: { read: [], write: [ [Array] ], deny: [] },
  edge: { read: [], write: [], deny: [] }
}
- Policies:  []

createPolicy()

Creates a policy in the instance.

Parameters:

• Policy: The policy to be created; the field name must be set, system_privileges, graph_privileges, property_privileges and policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Creates a new policy 'sales' and then retrieves it

let myCreate = await conn.createPolicy({
  name: "sales",
  system_privileges: ["SHOW_GRAPH", "TRUNCATE"],
  graph_privileges: {
    miniCircle: [
      "SHOW_ALGO",
      "ALGO",
      "RESUME_TASK",
      "UFE",
      "CREATE_PROPERTY",
    ],
  },
  property_privileges: {
    node: {
      read: [],
      write: [],
      deny: [],
    },
    edge: {
      read: [],
      write: [],
      deny: [],
    },
  },
  policies: ["manager", "operator"],
});

// Prints the newly created policy 'sales' 

let resp = await conn.getPolicy("sales");
console.log("Policy", resp.data.name, "includes: "),
  console.log("- System privileges: ", resp.data.system_privileges),
  console.log("- Graph privileges: ", resp.data.graph_privileges),
  console.log("- Property privileges: ", resp.data.property_privileges),
  console.log("- Policies: ", resp.data.policies);

Policy sales includes: 
- System privileges:  [ 'SHOW_GRAPH', 'TRUNCATE' ]
- Graph privileges:  {
  '*': [ 'SHOW_ALGO', 'ALGO', 'RESUME_TASK', 'CREATE_PROPERTY', 'UFE' ]
}
- Property privileges:  {
  node: { read: [ [Array] ], write: [], deny: [] },
  edge: { read: [ [Array] ], write: [], deny: [] }
}
- Policies:  [ 'manager', 'operator' ]

alterPolicy()

Alters the system privileges, graph privileges, property privileges and policies of one existing policy in the instance by its name.

Parameters:

• Policy: The policy to be altered; the field name must be set, system_privileges, graph_privileges, property_privileges and policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Alters the policy 'sales' and then retrieves it

let myCreate = await conn.alterPolicy({
  name: "sales",
  system_privileges: ["SHOW_GRAPH"],
  graph_privileges: {
    miniCircle: [
      "SHOW_ALGO",
      "ALGO",
      "RESUME_TASK",
      "UFE",
      "CREATE_PROPERTY",
      "FIND",
    ],
    lcc: ["UPDATE"],
  },
  policies: ["operator"],
});

let resp = await conn.getPolicy("sales");
console.log("Policy", resp.data.name, "includes: "),
  console.log("- System privileges: ", resp.data.system_privileges),
  console.log("- Graph privileges: ", resp.data.graph_privileges),
  console.log("- Property privileges: ", resp.data.property_privileges),
  console.log("- Policies: ", resp.data.policies);

Policy sales includes: 
- System privileges:  [ 'SHOW_GRAPH' ]
- Graph privileges:  {
  miniCircle: [
    'SHOW_ALGO',
    'ALGO',
    'RESUME_TASK',
    'FIND',
    'UFE',
    'CREATE_PROPERTY'
  ],
  lcc: [ 'UPDATE' ]
}
- Property privileges:  {
  node: { read: [ [Array] ], write: [], deny: [] },
  edge: { read: [ [Array] ], write: [], deny: [] }
}
- Policies:  [ 'operator' ]

dropPolicy()

Drops one policy from the instance by its name.

Parameters:

• string: Name of the policy.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Drops the policy 'sales' and prints error code

let resp = await conn.dropPolicy("sales");
console.log(resp.status.code_desc);

SUCCESS

User

showUser()

Retrieves all database users from the instance.

Parameters:

• RequestConfig (Optional): Configuration settings for the request.

Returns:

• User[]: The list of all users in the instance.

// Retrieves all users and prints information of the first returned

let resp = await conn.showUser();
let user1 = resp.data[0];
console.log("Username:", user1.username);
console.log("Creation timestamp:", user1.create.valueOf());
console.log("System privileges:", user1.system_privileges);
console.log("Graph privileges:", user1.graph_privileges);
console.log("Property privileges:", user1.property_privileges);
console.log("Policies:", user1.policies);

Username: test006
Creation timestamp: 1693550276
System privileges: [
  'SHOW_PRIVILEGE', 'ALTER_USER',
  'DROP_USER',      'CREATE_USER',
  'SHOW_GRAPH',     'ALTER_GRAPH',
  'DROP_GRAPH',     'COMPACT',
  'MOUNT_GRAPH',    'TOP',
  'CREATE_GRAPH',   'STAT',
  'UNMOUNT_GRAPH',  'SHOW_POLICY',
  'TRUNCATE',       'KILL',
  'ALTER_POLICY',   'CREATE_POLICY',
  'DROP_POLICY',    'SHOW_USER'
]
Graph privileges: {}
Property privileges: {
  node: { read: [], write: [], deny: [ [Array] ] },
  edge: { read: [], write: [], deny: [ [Array] ] }
}
Policies: [ 'operator' ]

getUser()

Retrieves a database user from the instance by its username.

Parameters:

• string: Username.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• User: The retrieved user.

// Retrieves user 'test005' and prints its information

let resp = await conn.getUser("test005");
console.log("Username:", resp.data.username);
console.log("Creation timestamp:", resp.data.create.valueOf());
console.log("System privileges:", resp.data.system_privileges);
console.log("Graph privileges:", resp.data.graph_privileges);
console.log("Property privileges:", resp.data.property_privileges);
console.log("Policies:", resp.data.policies);

Username: test005
Creation timestamp: 1693473359
System privileges: [
  'SHOW_PRIVILEGE', 'ALTER_USER',
  'DROP_USER',      'CREATE_USER',
  'SHOW_GRAPH',     'ALTER_GRAPH',
  'DROP_GRAPH',     'COMPACT',
  'MOUNT_GRAPH',    'TOP',
  'CREATE_GRAPH',   'STAT',
  'UNMOUNT_GRAPH',  'SHOW_POLICY',
  'TRUNCATE',       'KILL',
  'ALTER_POLICY',   'CREATE_POLICY',
  'DROP_POLICY',    'SHOW_USER'
]
Graph privileges: {}
Property privileges: {
  node: { read: [], write: [], deny: [] },
  edge: { read: [], write: [], deny: [] }
}
Policies: [ 'operator' ]

createUser()

Creates a database user in the instance.

Parameters:

• CreateUser: The user to be created; the fields username and password must be set, system_privileges, graph_privileges, property_privilege and policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Creates a new user 'NodeJsUser' and prints error code

let resp = await conn.createUser({
  username: "NodeJsUser",
  password: "Password",
  system_privileges: ["SHOW_GRAPH", "TRUNCATE"],
  graph_privileges: {
    miniCircle: [
      "SHOW_ALGO",
      "ALGO",
      "RESUME_TASK",
      "UFE",
      "CREATE_PROPERTY",
      "FIND",
    ],
  },
  property_privileges: {
    node: {
      read: [],
      write: [],
      deny: [],
    },
    edge: {
      read: [],
      write: [],
      deny: [],
    },
  },
  policies: ["manager"],
});
console.log(resp.status.code_desc);

SUCCESS

alterUser()

Alters the password, system privileges, graph privileges, property privileges and policies of one existing database user in the instance by its username.

Parameters:

• AlterUser: The user to be altered; the field username must be set, password, systemPrivileges, graphPrivileges, propertyPrivilege and policies are optional.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Alters the user 'NodeJsUser' and prints error code

let resp = await conn.alterUser({
  username: "NodeJsUser",
  system_privileges: ["SHOW_GRAPH"],
  graph_privileges: {
    miniCircle: ["FIND"],
  },

  policies: ["operator"],
});
console.log(resp.status.code_desc);

SUCCESS

dropUser()

Drops one database user from the instance by its username.

Parameters:

• string: Username.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Drops the user 'NodeJsUser' and prints error code

let resp = await conn.dropUser("NodeJsUser");
console.log(resp.status.code_desc);

SUCCESS

grantPolicy()

Grants new system privileges, graph privileges, property privileges and policies to a database user in the instance.

Parameters:

• string: Username.
• GraphPrivilege: Graph privileges to grant; sets to null to skip granting any graph privileges.
• string[]: System privileges to grant; sets to null to skip granting any system privileges.
• string[]: Policies to grant; sets to null to skip granting any policies.
• PropertyPrivilege: Property privileges to grant; sets to null to skip granting any property privileges.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

// Grants privileges and policies to user 'johndoe' and prints error code

let resp = await conn.grantPolicy(
  "johndoe",
  {
    miniCircle: [
      "SHOW_ALGO",
      "ALGO",
      "RESUME_TASK",
      "UFE",
      "CREATE_PROPERTY",
      "FIND",
    ],
  },
  null,
  ["manager"],
  null
);
console.log(resp.status.code_desc);

SUCCESS

revokePolicy()

Revokes system privileges, graph privileges, property privileges and policies from a database user in the instance.

Parameters:

• string: Username.
• GraphPrivilege: Graph privileges to revoke; sets to null to skip revoking any graph privileges.
• string[]: System privileges to revoke; sets to null to skip revoking any system privileges.
• string[]: Policies to revoke; sets to null to skip revoking any policies.
• PropertyPrivilege: Property privileges to revoke; sets to null to skip revoking any property privileges.
• RequestConfig (Optional): Configuration settings for the request.

Returns:

• Response: Result of the request.

let resp = await conn.revokePolicy(
  "johndoe",
  {
    miniCircle: ["SHOW_ALGO", "ALGO", "RESUME_TASK"],
  },
  null,
  ["manager"],
  null
);
console.log(resp.status.code_desc);

SUCCESS

Full Example

import { ConnectionPool, ULTIPA } from "@ultipa-graph/ultipa-node-sdk";
import { GraphExra } from "@ultipa-graph/ultipa-node-sdk/dist/connection/extra/graph.extra";
import { getEdgesPrintInfo } from "@ultipa-graph/ultipa-node-sdk/dist/printers/edge";
import { RequestType } from "@ultipa-graph/ultipa-node-sdk/dist/types";
import { ListFormat } from "typescript";

let sdkUsage = async () => {
  // Connection configurations
  //URI example: hosts="mqj4zouys.us-east-1.cloud.ultipa.com:60010"
  let hosts = [
    "192.168.1.85:60061",
    "192.168.1.86:60061",
    "192.168.1.87:60061",
  ];
  let username = "***";
  let password = "***";
  let connPool = new ConnectionPool(hosts, username, password);

  // Establishes connection to the database
  let conn = await connPool.getActive();
  let isSuccess = await conn.test();
  console.log(isSuccess);

  // Request configurations
  let requestConfig = <RequestType.RequestConfig>{
    useMaster: true,
  };

  // Retrieves all policies and prints their information
  let resp = await conn.showPolicy();
  for (let i of resp.data) {
    console.log("Policy ", i.name, " includes: "),
      console.log("- System privileges: ", i.system_privileges),
      console.log("- Graph privileges: ", i.graph_privileges),
      console.log("- Property privileges: ", i.property_privileges),
      console.log("- Policies: ", i.policies);
  }
};

sdkUsage().then(console.log).catch(console.log);