Airbyte is an open-source data integration engine that helps you consolidate your data in your data warehouses, lakes and databases.

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per <https://debezium.io/documentation/reference/1.4/connectors/mysql.html#mysql-data-types|debezium docs>, `DATE` , `DATETIME` types are converted into epoch milliseconds or microseconds based on the column’s precision.

Is there already a request to convert these (now BIGINT) columns back to timestamp by default in the normalization step when using CDC?

yes, <https://github.com/airbytehq/airbyte/issues/4159>