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Important

Helios features are now enabled during weekly update windows and are no longer directly tied to SingleStore engine releases. Refer to the release notes to view the latest features available in your Helios cluster.

DROP LINK

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The DROP LINK command removes a connection link on S3, Azure, GCS, HDFS, or Kafka for a permitted user.

Syntax

DROP LINK [db_name.]connection_name

Remarks

  • db_name is the name of the SingleStore Helios database. It is an optional parameter. If not specified, the connection link is dropped from the current (context) database.

  • This command causes implicit commits. Refer to COMMIT for more information.

  • To drop a connection link, you need the DROP LINK permission. Contact your administrator to grant this permission.

  • Refer to the Permissions Matrix for the required permissions.

Example

SHOW LINKS ON Orderdb;
       
+-------------------------+--------+-----------------------------+
| Link                    | Type   | Description                 |
+-------------------------+--------+-----------------------------+
| product_S3              | S3     | Product list                |
| brand_S3                | S3     | Brand list                  |
+-------------------------+--------+-----------------------------+
DROP LINK Orderdb.brand_S3;


SHOW LINKS ON Orderdb;
+-------------------------+--------+-----------------------------+
| Link                    | Type   | Description                 |
+-------------------------+--------+-----------------------------+
| product_S3              | S3     | Product list                |
+-------------------------+--------+-----------------------------+

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Verification instructions

Note: You must install cosign to verify the authenticity of the SingleStore file.

Use the following steps to verify the authenticity of singlestoredb-server, singlestoredb-toolbox, singlestoredb-studio, and singlestore-client SingleStore files that have been downloaded.

You may perform the following steps on any computer that can run cosign, such as the main deployment host of the cluster.

  1. (Optional) Run the following command to view the associated signature files.

    curl undefined

  2. Download the signature file from the SingleStore release server.

    • Option 1: Click the Download Signature button next to the SingleStore file.

    • Option 2: Copy and paste the following URL into the address bar of your browser and save the signature file.

    • Option 3: Run the following command to download the signature file.

      curl -O undefined

  3. After the signature file has been downloaded, run the following command to verify the authenticity of the SingleStore file.

    echo -n undefined |
        cosign verify-blob --certificate-oidc-issuer https://oidc.eks.us-east-1.amazonaws.com/id/CCDCDBA1379A5596AB5B2E46DCA385BC \
          --certificate-identity https://kubernetes.io/namespaces/freya-production/serviceaccounts/job-worker \
          --bundle undefined \
          --new-bundle-format -
    Verified OK

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