v.19.15Improvement

Add Automatically Cast Type T to Lowcardinality(t) While Inserting Data in Column of Type Lowcardinality(t) in Native Format via HTTP

Add automatically cast type T to LowCardinality(T) while inserting data in column of type LowCardinality(T) in Native format via HTTP. #6891 (Nikolai Kochetov)
Automatically cast values of type T to LowCardinality(T) when inserting data into columns of LowCardinality(T) type using the Native format via HTTP.

Why it matters

This feature addresses the inconvenience and errors that arise when inserting data into LowCardinality typed columns via HTTP Native format by automatically converting matching data types. It simplifies the insertion process, making data uploads more seamless and reducing manual type casting overhead.

How to use it

When inserting data into a LowCardinality(T) typed column via HTTP Native format, the server will automatically cast incoming data of type T to LowCardinality(T). No additional configuration or explicit casting is required from the user.