def test_read_dataframe_groupby(df_client):
df_dict = df_client.query('SELECT max(*) from /m[1-2]$/ GROUP BY "tag"')
s = ['\n{}:\n{}'.format(k, v) for k, v in df_dict.items()]
logger.info('\n'.join(s))
m1 = pd.concat([df for k, df in df_dict.items() if k.split(',')[0] == 'm1'])
m2 = pd.concat([df for k, df in df_dict.items() if k.split(',')[0] == 'm2'])
assert m1.shape == (5, 6)
assert m2.shape == (5, 6)
async def test_dataframe_chunked_query(client):
client.output = 'dataframe'
df1 = utils.random_dataframe()
await client.write(df1, measurement='m3')
cursor = await client.query('SELECT * FROM m3', chunked=True, chunk_size=10)
dfs = []
async for subdf in cursor:
assert isinstance(subdf, pd.DataFrame)
assert len(subdf) == 10
dfs.append(subdf)
df = pd.concat(dfs)
assert df.shape == (50, 7)
client.output = 'json'
