Connecting Trino from Helical Insight 5.1

In many cases we might use Helical Insight with Trino wherein Trino will be in turn connecting to one or multiple datasources like Mongo. In this document we will be covering how to install Trino and connect to a datasource. And then how Helical Insight can then be used via Trino to connect to that datsource.

1. Download and install Trino server by following below documentation

https://helicaltech.com/installing-trino-in-linux-server

2. Once Trinoserver setup is done, we can configure different databases by creating a properties file for each database

We should keep the configuration file in the below path

…./trino-server-418/etc/catalog

Connecting Trino from Helical Insight 5.1

Example 1 (like mongodb.properties will have below kind of content only with your correct credentials): 

mongodb.properties
connector.name=mongodb
mongodb.connection-url=mongodb+srv://username:password@hostname
mongodb.case-insensitive-name-matching=true
mongodb.tls.enabled=true

Example2 (like mongodb.properties will have below kind of content only with your correct credentials):

connector.name=sqlserver
connection-url=jdbc:sqlserver://=localhost:1433;databaseName=DBName;encrypt=false
connection-user=provide database username
connection-password=provide database password
case-insensitive-name-matching=false

In the similar way we can connect to other databases like mysql and postgresetc also. Entire list of databases which are supported by Trino are present here :https://trino.io/ecosystem/data-source.html

After configuring our database , we should restart trino server

Commands to be used:

servicetrino stop
servicetrino start

2. login into helical Insight and go to data sources page

Connecting Trino from Helical Insight 5.1

3. Search for Trino and click on trino data source icon

Provide host, port, database name will be “admin” ,data source name we can provide anything as it is for our own understanding of connection name

Username will be admin and password is not required (leave password blank)

Connecting Trino from Helical Insight 5.1

Once you have provide all the details, click on test connection

It should give connection successful message. Once the connection is success, save the connection and create metadata using the same connection

In metadata page it will display all the configured databases of Trino, we can expand required databases connection to see all the schemas and tables of that respective database.

Now we can drag required tables to create metadata with other things like security, joins etc. Then that created metadata can then be used to create the reports.

Connecting Trino from Helical Insight 5.1

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