v.25.4Improvement

Make data types in used_data_type_families

Make data types in used_data_type_families in system.query_log to be recorded with canonical names. #78972 (Kseniia Sumarokova).
Data types in the used_data_type_families field of the system.query_log table are now recorded using canonical names.

Why it matters

This feature ensures consistency and clarity in how data types are represented in query logs by standardizing their naming to canonical forms. It improves readability and simplifies analysis of query logs by users.

How to use it

Users do not need to perform any explicit action to enable this feature. The used_data_type_families field in system.query_log will automatically reflect data types with canonical names in all new query logs.