040000 tree c20a09a999099e58b859bd5988bcc0449f89d9ed	aggregates
040000 tree fb8a3e3c15690e29d6e24174badbd455c558d572	distinct
040000 tree 2a3020e957b9f41264e2d8a8c92d1ab9d0644a33	group
040000 tree 24b121cddcacc9abd37571a7fdc07195e61b52f4	having