You can query your Pinot data by sending a POST request to the Pinot broker’s /query/sql endpoint. This endpoint accepts a JSON body containing your SQL query.

The basic structure of the request involves:

• Method: POST
• Endpoint: /query/sql
• Request Body: A JSON object with a single key, sql, whose value is your SQL query string.
• Headers: You will typically need to set the Content-Type header to application/json. If you are using StarTree Cloud, you will also need an Authorization header with a Bearer token. StarTree Trial accounts require an additional database header.

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Prerequisites

1. Obtain a service token for authentication.

2. Find your Pinot Broker URL.

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Examples

Here are some examples using the curl command-line tool:

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Example 1: Querying StarTree Cloud

When querying a Pinot cluster hosted on StarTree Cloud, you need to include an API token for authentication.

curl --location --request POST 'https://broker.pinot.<your url>.startree.cloud/query/sql' \
  --header 'Authorization: Bearer <API Token>' \
  --header 'Content-Type: application/json' \
  --data-raw '{"sql":"select * from myTable limit 10"}'

Remember to replace <your url> with your specific StarTree Cloud URL and <API Token> with your generated token.

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Example 2: Querying a local Pinot broker

If you have a Pinot broker running locally (for example, on localhost:8099), you can query it directly:

curl -H "Content-Type: application/json" -X POST \
  -d '{"sql":"select * from myTable limit 10"}' \
  http://localhost:8099/query/sql

Replace yourTableName with the actual name of your table.

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Obtaining a Service Token

You can cenerate an API token in the Data Portal or using the REST API.

This token is used in the Authorization header of your API requests.

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Finding Your Broker URL

To find the correct Broker URL for your table in StarTree Cloud:

1. Access the Data Portal.
2. Click on Tables.
3. Select the specific table you want to query.
4. The Broker URL for that table will be displayed, and you can copy it to your clipboard.