Grzegorz Grzybek opened SPR-6963 and commented
One particular reason is that org.springframework.jdbc.core.ColumnMapRowMapper implements org.springframework.jdbc.core.RowMapper<Map<String, Object>> and cannot be directly passed as a RowMapper to returningResultSet() method.
regards
Grzegorz Grzybek
Affects: 3.0 GA
Referenced from: commits ccb312a