Presto

Adding and configuring a Presto connection within Qualytics empowers the platform to build a symbolic link with your schema to perform operations like data discovery, visualization, reporting, cataloging, profiling, scanning, anomaly surveillance, and more.

This documentation provides a step-by-step guide on how to add Presto as both a source and enrichment datastore in Qualytics. It covers the entire process, from initial connection setup to testing and finalizing the configuration.

By following these instructions, enterprises can ensure their Presto environment is properly connected with Qualytics, unlocking the platform's potential to help you proactively manage your full data quality lifecycle

Let’s get started 🚀

Add a Source Datastore

A source datastore is a storage location used to connect to and access data from external sources. Presto is an example of a source datastore, specifically a type of JDBC datastore that supports connectivity through the JDBC API. Configuring the JDBC datastore enables the Qualytics platform to access and perform operations on the data, thereby generating valuable insights.

Step 1: Log in to your Qualytics account and click on the Add Source Datastore button located at the top-right corner of the interface.

add add

Step 2: A modal window- Add Datastore will appear, providing you with the options to connect a datastore.

detail detail

REF.	FIELDS	ACTIONS
1.	Name (Required)	Specify the name of the datastore. (e.g., The specified name will appear on the datastore cards.)
2.	Toggle Button	Toggle ON to create a new source datastore from scratch, or toggle OFF to reuse credentials from an existing connection.
3	Connector (Required)	Select Presto from the dropdown list.

Option I: Create a Source Datastore with a new Connection

If the toggle for Add New existing connection is turned on, then this will prompt you to add and configure the source datastore from scratch without using existing connection details.

Step 1: Select the Presto connector from the dropdown list and add connection details such as Secret Management, host, port, username, database, and schema.

connector

Secrets Management: This is an optional connection property that allows you to securely store and manage credentials by integrating with HashiCorp Vault and other secret management systems. Toggle it ON to enable Vault integration for managing secrets.

!!! note: Once the HashiCorp Vault is set up, use the $ format in Connection form to reference a Vault secret.

REF.	FIELDS	ACTION
1.	Login URL	Enter the URL used to authenticate with HashiCorp Vault.
2.	Credentials Payload	Input a valid JSON containing credentials for Vault authentication.
3.	Token JSONPath	Specify the JSONPath to retrieve the client authentication token from the response (e.g., $.auth.client_token).
4.	Secret URL	Enter the URL where the secret is stored in Vault.
5.	Token Header Name	Set the header name used for the authentication token (e.g., X-Vault-Token).
6.	Data JSONPath	Specify the JSONPath to retrieve the secret data (e.g., $.data).

vault vault

Step 2: The configuration form will expand, requesting credential details before establishing the connection.

detail detail

REF.	FIELDS	ACTIONS
1.	Host (Required)	Get Hostname from your Presto account and add it to this field.
2.	Port (Required)	Specify the Port number.
3.	User (Required)	Enter the User to connect.
4.	Password (Required)	Enter the password to connect to the database.
5.	Catalog (Required)	Add a Catalog to fetch data structures and metadata from the Databricks.
6.	Schema (Required)	Define the schema within the database that should be used.
7.	Teams (Required)	Select one or more teams from the dropdown to associate with this source datastore.
8.	Initiate Cataloging (Optional)	Tick the checkbox to automatically perform catalog operation on the configured source datastore.

Step 3: After adding the source datastore details, click on the Test Connection button to check and verify its connection.

test test

If the credentials and provided details are verified, a success message will be displayed indicating that the connection has been verified.

Option II: Use an Existing Connection

If the toggle for Add new connection is turned off, then this will prompt you to configure the source datastore using the existing connection details.

Step 1: Select a connection to reuse existing credentials.

detail detail

Note

If you are using existing credentials, you can only edit the details such as Database, Schema, Teams and Initiate Cataloging.

Step 2: Click on the Test Connection button to verify the existing connection details. If connection details are verified, a success message will be displayed.

test test

Note

Clicking on the Finish button will create the source datastore and bypass the enrichment datastore configuration step.

Info

It is recommended to click on the Next button, which will take you to the enrichment datastore configuration page.

Add Enrichment Datastore

Once you have successfully tested and verified your source datastore connection, you have the option to add the enrichment datastore (recommended). The enrichment datastore is used to store the analyzed results, including any anomalies and additional metadata in tables. This setup provides full visibility into your data quality, helping you manage and improve it effectively.

Warning

Qualytics does not support the Presto connector as an enrichment datastore, but you can point to a different enrichment datastore.

Step 1: Whether you have added a source datastore by creating a new datastore connection or using an existing connection, click on the Next button to start adding the Enrichment Datastore.

next next

Step 2: A modal window Link Enrichment Datastore will appear, providing you with the options to configure an enrichment datastore.

enrichment

REF.	FIELDS	ACTIONS
1.	Prefix (Required)	Add a prefix name to uniquely identify tables/files when Qualytics writes metadata from the source datastore to your enrichment datastore.
2.	Caret Down Button	Click the caret down to select either Use Enrichment Datastore or Add Enrichment Datastore.
3.	Enrichment Datastore	Select an enrichment datastore from the dropdown list

Option I: Create an Enrichment Datastore with a new Connection

If the toggles Add new connection is turned on, then this will prompt you to add and configure the enrichment datastore from scratch without using an existing enrichment datastore and its connection details.

Step 1: Click on the caret button and select Add Enrichment Datastore.

add add

A modal window Link Enrichment Datastore will appear. Enter the following details to create an enrichment datastore with a new connection.

detail detail

REF.	FIELDS	ACTIONS
1.	Prefix	Add a prefix name to uniquely identify tables/files when Qualytics writes metadata from the source datastore to your enrichment datastore.
2.	Name	Give a name for the enrichment datastore.
3.	Toggle Button for add new connection	Toggle ON to create a new enrichment from scratch or toggle OFF to reuse credentials from an existing connection.
4.	Connector	Select a datastore connector from the dropdown list.

Step 2: Add connection details for your selected enrichment datastore connector.

detail detail

Note

Qualytics does not support Presto as an enrichment datastore. Instead, you can select a different enrichment datastore for this purpose. For demonstration purposes, we are using Microsoft SQL Server as the enrichment datastore. You can use any other JDBC or DFS datastore of your choice for the enrichment datastore configuration.

Step 3: Click on the Test Connection button to verify the selected enrichment datastore connection. If the connection is verified, a flash message will indicate that the connection with the datastore has been successfully verified.

test test

Step 4: Click on the Finish button to complete the configuration process.

finish finish

When the configuration process is finished, a modal will display a success message indicating that your datastore has been successfully added.

success success

Step 5: Close the Success dialogue and the page will automatically redirect you to the Source Datastore Details page where you can perform data operations on your configured source datastore.

overview

Option II: Use an Existing Connection

If the Use enrichment datastore option is selected from the caret button, you will be prompted to configure the datastore using existing connection details.

Step 1: Click on the caret button and select Use Enrichment Datastore.

use use

Step 2: A modal window Link Enrichment Datastore will appear. Add a prefix name and select an existing enrichment datastore from the dropdown list.

link link

Note

Qualytics does not support Presto as an enrichment datastore. Instead, you can select a different enrichment datastore for this purpose. For demonstration purposes, we are using Microsoft SQL Server as the enrichment datastore. You can use any other JDBC or DFS datastore of your choice for the enrichment datastore configuration.

REF.	FIELDS	ACTIONS
1.	Prefix	Add a prefix name to uniquely identify tables/files when Qualytics writes metadata from the source datastore to your enrichment datastore.
2.	Enrichment Datastore	Select an enrichment datastore from the dropdown list.

Step 3: After selecting an existing enrichment datastore connection, you will view the following details related to the selected enrichment:

Teams: The team associated with managing the enrichment datastore is based on the role of public or private. For example, Marked as Public means that this datastore is accessible to all the users.
Host: This is the server address where the Presto instance is hosted. It is the endpoint used to connect to the Presto environment.
Database: Refers to the specific database within the Presto environment where the data is stored.
Schema: The schema used in the enrichment datastore. The schema is a logical grouping of database objects(tables, views, etc.).Each schema belongs to a single database.

detail detail

Step 4: Click on the Finish button to complete the configuration process for the existing enrichment datastore.

finish finish

When the configuration process is finished, a modal will display a success message indicating that your data has been successfully added.

success success

Close the success message and you will be automatically redirected to the Source Datastore Details page where you can perform data operations on your configured source datastore.

overview

API Payload Examples

This section provides detailed examples of API payloads to guide you through the process of creating and managing datastores using Qualytics API.

Each example includes endpoint details, sample payloads, and instructions on how to replace placeholder values with actual data relevant to your setup.

Creating a Datastore

This section provides a sample payload for creating a datastore. Replace the placeholder values with actual data relevant to your setup.

Endpoint (Post)

/api/datastores (post)

Creating a datastore with a new connectionCreating a datastore with an existing connection

    {
        "name": "your_datastore_name",
        "teams": ["Public"],
        "database": "presto_database",
        "schema": "presto_schema",
        "enrich_only": false,
        "trigger_catalog": true,
        "connection": {
            "name": "your_connection_name",
            "type": "presto",
            "host": "presto_host",
            "port": "presto_port",
            "username": "presto_username",
            "password": "presto_password",
            "parameters":{
                "ssl_truststore":"truststore.jks"
            },
        }
    }

    {
        "name": "your_datastore_name",
        "teams": ["Public"],
        "database": "presto_database",
        "schema": "presto_schema",
        "enrich_only": false,
        "trigger_catalog": true,
        "connection_id": connection-id
    }

Linking Datastore to an Enrichment Datastore through API

Endpoint (Patch)

/api/datastores/{datastore-id}/enrichment/{enrichment-id} (patch)