KATER__COUNT_DISTINCT

Family: Aggregations

Syntax

1
KATER__COUNT_DISTINCT(field)

Arguments

Returns

A whole number. The field menu writes @format number(0) beside it.

Usage notes

• It compiles to COUNT(DISTINCT field). An empty value is not counted.

Example

This Sandbox query reads the sample shop’s orders. The table shows the rows that Kater gave.

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SELECT
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  orders.region AS "Region",
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  KATER__COUNT_DISTINCT(orders.customer_id) AS "Customers"
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FROM kater_dataset.orders AS orders
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GROUP BY
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  orders.region
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ORDER BY
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  1

Compiles to

The call compiles to the same SQL on DuckDB and on Snowflake.

1
COUNT(DISTINCT orders.customer_id)

See also

• Measures
• Other functions in Aggregations: KATER__SUM, KATER__AVG, KATER__MIN, KATER__MAX, KATER__COUNT, KATER__COUNT_TRUE, KATER__COUNT_FALSE, KATER__LIST