Materialize v0.98

v0.98

Sources and sinks

• Support writing metadata to Kafka message headers in Kafka sinks via the new HEADERS option.

• Allow dropping subsources in PostgreSQL sources using the DROP SOURCE command. The ALTER SOURCE...DROP SUBSOURCE command has been removed.

• Require the CASCADE option to drop PostgreSQL and MySQL sources with active subsources. Previously, dropping a PostgreSQL or MySQL source automatically dropped all the corresponding subsources.

• Allow changing the ownership of a subsource using the ALTER OWNER command. Subsources may now have different owners to the parent source.

SQL

• Add mz_internal.mz_postgres_source_tables and mz_internal.mz_mysql_source_tables to the system catalog. These tables .