CREATE TABLE IF NOT EXISTS events.availability ( id BIGSERIAL, event_id BIGINT NOT NULL, from_date TIMESTAMP NOT NULL, to_date TIMESTAMP NOT NULL, user_email VARCHAR(255) NULL, user_ip INTEGER NOT NULL, user_name VARCHAR(255) NOT NULL, CONSTRAINT PK_availability PRIMARY KEY (id), CONSTRAINT FK_availability_event FOREIGN KEY (event_id) REFERENCES events.event(id) )