jOOQ “EXTRACT(EPOCH FROM [field])” workaround?

Question

There\'s syntax that allows transforming a Timestamp into various date parts, including the unix epoch. This works as follows (in lastest PostgreSQL at least):

Answer 1

Just wanted to add there's org.jooq.impl.DSL.timestampDiff(...) in case you needed the epoch to calculate difference between two timestamps in milliseconds.