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Important

The SingleStore 9.1 release candidate (RC) gives you the opportunity to preview, evaluate, and provide feedback on new and upcoming features prior to their general availability. In the interim, SingleStore 9.0 is recommended for production workloads, which can later be upgraded to SingleStore 9.1.

ERROR 1706 (HY000): Leaf Error (127.0.0.1:3307): Feature INSERT IGNORE … ON DUPLICATE KEY UPDATE is not supported by MemSQL

Issue

When you use the IGNORE modifier in a INSERT statement, SingleStore ignores records with duplicate key entries and only inserts records with unique key values. The ON DUPLICATE KEY UPDATE clause, instead of ignoring the insert, performs an update on the row with the duplicate key value. Using both of them in same query leads to a dilemma: whether to ignore the insert or update the record. To prevent any ambiguity in data, SingleStore returns an error, instead of choosing one operation over another.

Solution

Either use the IGNORE modifier or ON DUPLICATE KEY UPDATE clause in INSERT statements, but not both. For more information, see INSERT

Last modified: July 5, 2021

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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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