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Important

Self-managed SingleStore will soon transition from version 9.1 RC to version 10. This new semantic versioning scheme will provide SingleStore with finer control over engine and feature releases that were not possible with the current versioning scheme.

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 prior to its general availability. Ahead of this transition, SingleStore 9.0 is recommended for production workloads, which can later be upgraded to SingleStore 10.

GEOGRAPHY_CONTAINS

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The GEOGRAPHY_CONTAINS() function takes in two geospatial objects and determines whether the first one completely covers the area of the second.

Syntax

GEOGRAPHY_CONTAINS ( geo1, geo2 )

Arguments

  • geo1, geo2: any valid geospatial object or WKT string: path, point or polygon.

Return Type

Boolean

Remarks

When specifying a polygon, it must be smaller than one half of the Earth. When defining a polygon, the area inside the polygon is the "smaller" portion of the globe. For example, if you define a polygon that outlines the shape of Australia, there could be two possible sides: All of the globe except Australia, or Australia itself. Because the side with the smaller area is Australia, that is what is considered inside the polygon.

Examples

CREATE ROWSTORE TABLE neighborhoods (
  id INT UNSIGNED NOT NULL PRIMARY KEY,
  name VARCHAR(64) NOT NULL,
  population INT UNSIGNED NOT NULL,
  shape GEOGRAPHY NOT NULL,
  centroid GEOGRAPHYPOINT NOT NULL,
  index (shape) WITH (resolution = 8),
  index (centroid)
  );


  INSERT INTO neighborhoods VALUES
  (1, "Hamilton", 12346, "POLYGON((1 1,2 1,2 2, 1 2, 1 1))","POINT(1.5 1.5)"),
  (2, "Probability Bay", 263951, "POLYGON((5 1,6 1,6 2,5 2,5 1))", "POINT(5.5 1.5)"),
  (3, "Decentralized Park", 29265, "POLYGON((5 5,6 5,6 6,5 6,5 5))", "POINT(5.5 5.5)"),
  (4, "Axiom Township", 845696, "POLYGON((1 5,2 5,2 6,1 6,1 5))", "POINT(1.5 5.5)"),
  (5, "Elegant Island ", 987654, "POLYGON((3 3,4 3,4 4,3 4,3 3))", "POINT(3.5 3.5)");
SELECT id, name FROM neighborhoods
WHERE
  GEOGRAPHY_CONTAINS(shape, "POLYGON((3 3,4 3,4 4,3 4,3 3))");

Related Topics

For more information about working with geospatial data, see Working with Geospatial Features.

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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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