I want to add a "oneRow" method to the groovy.sql.Sql class. So, instead of this : answer = 0 sql.eachRow("select age from PERSON where firstName=James and lastName=Strachan") { row | answer = row[0] } I could write something like : result = sql.oneRow("select age from PERSON where firstName=James and lastName=Strachan").age or like this : result = sql.oneRow("select age from PERSON where firstName=James and lastName=Strachan")[0]