def GET(self, dataset_id, mode=False, query='{}', select=None,
group=ALL):
"""
Return data set for hash *dataset_id*.
Execute query *query* in mongo if passed.
If summary is passed return summary statistics for data set.
If group is passed group the summary, if summary is false group is
ignored.
"""
dataset = Dataset.find_one(dataset_id)
result = None
try:
if dataset:
if mode == MODE_INFO:
result = Dataset.schema(dataset)
elif mode == MODE_SUMMARY:
result = summarize(dataset, query, select, group)
else:
return mongo_to_json(Observation.find(dataset, query,
select))
except JSONError, e:
result = {ERROR: e.__str__()}
