Since jOOQ 3.11, implicit joins have been supported. An implicit join is a JOIN (mostly a LEFT JOIN) that is generated implicitly because of the presence of a path expression. If SQL supported the syntax natively, it would look like this: SELECT cu.first_name, cu.last_name, cu.address.city.country.country FROM customer AS cu All that is is convenience for … Continue reading jOOQ 3.17 Supports Implicit Join also in DML
Tag: UPDATE
Lesser-Known SQL Features: DEFAULT VALUES
A lesser-known SQL feature is the DEFAULT keyword, which can be used in INSERT and UPDATE statements. Consider the following table, created using standard SQL syntax: CREATE TABLE timestamps ( id INTEGER GENERATED BY DEFAULT AS IDENTITY(START WITH 1), t TIMESTAMP DEFAULT CURRENT_TIMESTAMP, CONSTRAINT pk_values PRIMARY KEY (id) ) Now, in order to generate a … Continue reading Lesser-Known SQL Features: DEFAULT VALUES