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 typeTtoLowCardinality(T)while inserting data in column of typeLowCardinality(T)in Native format via HTTP. #6891 (Nikolai Kochetov)
Why it matters
This feature addresses the inconvenience and errors that arise when inserting data intoLowCardinality 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 aLowCardinality(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.