shwetasrivastava / node.js-hana-client

Boiler plate for node.js apps with HANA DB as the database using @sap/hana-client package

A boiler plate for node.js app with HANA DB as database using hana-client package

How to use

git clone https://github.com/shwetasrivastava/node.js-hana-client.git

npm start

Connection to HANA DB from node.js

Mention the connection params in configs => dbConnection.js

Add the respective value in .env file.

connection call to HDB using @sap/hana-client in app.js

const connection = hanaClient.createConnection(); connection.connect(connectionParams, (err) => { if(err){ console.error("Connection error",err); } else{ console.log("connection to DB established successfully"); }

});

use the connection object anywhere within the project to fetch the result set from the required table.

global.connection = connection;

Execution of SQL queries using the statements provided by hana-client

check services ==> dbService.js

Function to execute the SQL has been mentioned there.

To execute a simple SQL statement bind your call to

dbService.execute(query);

To execute the batch operations use

dbService.executeBatch(query,data);

For transaction enablement use commit, rollback and setAutocommit functions defined already.

For more details please visit to offical @sap/hana-client page:-

https://help.sap.com/viewer/0eec0d68141541d1b07893a39944924e/2.0.02/en-US/58c18548dab04a438a0f9c44be82b6cd.html

If you want to use an ORM for node with hana use the below npm package https://www.npmjs.com/package/ohana-node-orm