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hdb

SAP HANA Database Client for Node

  • 0.19.11
  • latest
  • Source
  • npm
  • Socket score

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What is hdb?

The hdb npm package is a client library for SAP HANA Database. It allows you to connect to an SAP HANA database, execute SQL queries, and manage transactions. It is designed to be used in Node.js applications.

What are hdb's main functionalities?

Connecting to SAP HANA Database

This feature allows you to establish a connection to an SAP HANA database using the hdb client. You need to provide the host, port, user, and password for the database.

const hdb = require('hdb');
const client = hdb.createClient({
  host: 'hostname',
  port: 30015,
  user: 'username',
  password: 'password'
});
client.connect((err) => {
  if (err) {
    return console.error('Connect error', err);
  }
  console.log('Connected to SAP HANA');
});

Executing SQL Queries

This feature allows you to execute SQL queries on the connected SAP HANA database. The example demonstrates how to select all rows from a table.

client.exec('SELECT * FROM MY_TABLE', (err, rows) => {
  if (err) {
    return console.error('Execute error:', err);
  }
  console.log('Rows:', rows);
});

Managing Transactions

This feature allows you to manage transactions in the SAP HANA database. The example demonstrates how to begin a transaction, execute an insert query, and commit the transaction. If an error occurs, the transaction is rolled back.

client.beginTransaction((err) => {
  if (err) {
    return console.error('Begin transaction error:', err);
  }
  client.exec('INSERT INTO MY_TABLE VALUES (1, 'test')', (err) => {
    if (err) {
      return client.rollback(() => {
        console.error('Rollback error:', err);
      });
    }
    client.commit((err) => {
      if (err) {
        return console.error('Commit error:', err);
      }
      console.log('Transaction committed');
    });
  });
});
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Package last updated on 26 Nov 2024

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