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Important

The SingleStore 9.1 release candidate (RC) is available now. It will be promoted to general availability (GA) soon and at that time it will be renamed to SingleStore 10.

In the interim, SingleStore 9.1 RC can be used to preview, evaluate, and provide feedback on the new and upcoming features in SingleStore 10, while SingleStore 9.0 is recommended for production workloads.

SHOW PROJECTIONS

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Note

This is a Preview feature.

The SHOW PROJECTIONS command shows projections created on the current database or specified table.

Syntax

SHOW PROJECTIONS [ON TABLE <table_name>];

Arguments

table_name

The name of the table the projection is created on.

Remarks

  • The SHOW PROJECTIONS command only lists projections created on the currently selected database.

  • SHOW PROJECTIONS ON TABLE <table_name> command shows all projections created on a specific table.

  • The SHOW CREATE PROJECTION command shows the CREATE PROJECTION statement that was used to create the table.

  • The information_schema.PROJECTIONS view provides more details about all projections created in a cluster .

Examples

The output of the SHOW PROJECTIONS command shows all projections created on the currently selected database.

SHOW PROJECTIONS;
+----------+--------------------------------------+
| Table    | Projections                          |
+----------+--------------------------------------+
| lineitem | lineitem_sort_shipdate               |
| lineitem | lineitem_shard_sort_shipdate         |
| orders   | orders_shard_orderkey_sort_orderdate |
+----------+--------------------------------------+

The output of SHOW PROJECTIONS ON TABLE <table_name> shows all projections created on a specific table.

SHOW PROJECTIONS ON TABLE lineitem;
+-------------------------------+
| Projections_in_lineitem       |
+-------------------------------+
| lineitem_sort_shipdate        |
| lineitem_shard_sort_shipdate  |
+-------------------------------+

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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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