v.20.8Improvement
Disallow CODEC on ALIAS column type
DisallowsCODEConALIAScolumn type. Fixes #13911. #14263 (Bharat Nallan).
Why it matters
This feature prevents the usage of compression codecs onALIAS columns, resolving an issue where such usage was invalid and caused errors. It ensures data integrity and consistency by forbidding an unsupported combination of column type and codec application, as reported in issue #13911.How to use it
Users do not need to take any explicit action; the system now automatically disallows specifyingCODEC options on ALIAS columns during table creation or alteration. Attempts to apply codecs on ALIAS columns will result in an error.