本文整理汇总了Python中spendb.model.Dataset.aggregate方法的典型用法代码示例。如果您正苦于以下问题：Python Dataset.aggregate方法的具体用法？Python Dataset.aggregate怎么用？Python Dataset.aggregate使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类spendb.model.Dataset的用法示例。
在下文中一共展示了Dataset.aggregate方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: DatasetLoadTestCase
# 需要导入模块: from spendb.model import Dataset [as 别名]
# 或者: from spendb.model.Dataset import aggregate [as 别名]
class DatasetLoadTestCase(unittest.TestCase):
def setUp(self):
make_test_app()
self.ds = Dataset(SIMPLE_MODEL)
self.engine = core.db.engine
self.ds.generate()
self.reader = csv.DictReader(StringIO(TEST_DATA))
def tearDown(self):
tear_down_test_app()
def test_load_all(self):
self.ds.load_all(self.reader)
resn = self.engine.execute(self.ds.table.select()).fetchall()
assert len(resn) == 6, resn
row0 = resn[0]
assert row0["time"] == "2010", row0.items()
assert row0["amount"] == 200, row0.items()
assert row0["field"] == "foo", row0.items()
def test_flush(self):
self.ds.load_all(self.reader)
resn = self.engine.execute(self.ds.table.select()).fetchall()
assert len(resn) == 6, resn
self.ds.flush()
resn = self.engine.execute(self.ds.table.select()).fetchall()
assert len(resn) == 0, resn
def test_drop(self):
tn = self.engine.table_names()
assert "test_entry" in tn, tn
assert "test_entity" in tn, tn
assert "test_funny" in tn, tn
self.ds.drop()
tn = self.engine.table_names()
assert "test_entry" not in tn, tn
assert "test_entity" not in tn, tn
assert "test_funny" not in tn, tn
def test_aggregate_simple(self):
self.ds.load_all(self.reader)
res = self.ds.aggregate()
assert res["summary"]["num_entries"] == 6, res
assert res["summary"]["amount"] == 2690.0, res
def test_aggregate_basic_cut(self):
self.ds.load_all(self.reader)
res = self.ds.aggregate(cuts=[("field", u"foo")])
assert res["summary"]["num_entries"] == 3, res
assert res["summary"]["amount"] == 1000, res
def test_aggregate_or_cut(self):
self.ds.load_all(self.reader)
res = self.ds.aggregate(cuts=[("field", u"foo"), ("field", u"bar")])
assert res["summary"]["num_entries"] == 4, res
assert res["summary"]["amount"] == 1190, res
def test_aggregate_dimensions_drilldown(self):
self.ds.load_all(self.reader)
res = self.ds.aggregate(drilldowns=["function"])
assert res["summary"]["num_entries"] == 6, res
assert res["summary"]["amount"] == 2690, res
assert len(res["drilldown"]) == 2, res["drilldown"]
def test_aggregate_two_dimensions_drilldown(self):
self.ds.load_all(self.reader)
res = self.ds.aggregate(drilldowns=["function", "field"])
# pprint(res)
assert res["summary"]["num_entries"] == 6, res
assert res["summary"]["amount"] == 2690, res
assert len(res["drilldown"]) == 5, res["drilldown"]
def test_materialize_table(self):
self.ds.load_all(self.reader)
itr = self.ds.materialize()
tbl = list(itr)
assert len(tbl) == 6, tbl
row = tbl[0]
assert isinstance(row["field"], unicode), row
assert isinstance(row["function"], dict), row
assert isinstance(row["to"], dict), row