@Override public JdbcProject copy(RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType) { return new JdbcProject(getCluster(), traitSet, input, projects, rowType); }
@Override public JdbcProject copy(RelTraitSet traitSet, RelNode input, List<RexNode> projects, RelDataType rowType) { return new JdbcProject(getCluster(), traitSet, input, projects, rowType); }