APPROX_COUNT_DISTINCT_COMBINE

Syntax

SQL

APPROX_COUNT_DISTINCT_COMBINE ( expr )

Arguments

expr

An expression evaluating to a scalar value of type VARBINARY(16384).

expr is typically the name of a column. In this case, APPROX_COUNT_DISTINCT_COMBINE uses values in the column (which are HyperLogLog states) to create a new state.

Remarks

This function is used in conjunction with the APPROX_COUNT_DISTINCT_ACCUMULATE and APPROX_COUNT_DISTINCT_ESTIMATE Distinct Count Estimation Functions

Last modified: February 24, 2023

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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.

(Optional) Run the following command to view the associated signature files.
Shell
```
curl undefined
```
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.
  Shell
```
curl -O undefined
```

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

Shell

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

APPROX_COUNT_DISTINCT_COMBINE

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Syntax

Arguments

Remarks

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