v.19.1New Features
Allow to ALTER Compression Codecs
Why it matters
This feature enables changing the compression codecs of columns without needing to recreate or reload the table. It helps optimize storage and performance by allowing adjustments to compression settings on existing data, improving flexibility and manageability for users.How to use it
Use theALTER TABLE statement to change the compression codec of a specific column. For example:ALTER TABLE table_name MODIFY COLUMN column_name CODEC(YourNewCompressionCodec);