class ResultSet(object):
def __init__(self, resp, decode_type='utf-8'):
"""
get data from ResultSet
"""
self._decode_type = decode_type
self._resp = resp
self._data_set_wrapper = None
if self._resp.data is not None:
self._data_set_wrapper = DataSetWrapper(resp.data, self._decode_type)
def is_succeeded(self):
return self._resp.error_code == ttypes.ErrorCode.SUCCEEDED
def error_code(self):
return self._resp.error_code
def space_name(self):
if self._resp.space_name is None:
return ''
return self._resp.space_name.decode(self._decode_type)
def error_msg(self):
if self._resp.error_msg is None:
return ''
return self._resp.error_msg.decode(self._decode_type)
def comment(self):
if self._resp.error_msg is None:
return ''
return self._resp.comment.decode(self._decode_type)
def latency(self):
"""
unit us
"""
return self._resp.latency_in_us
def plan_desc(self):
return self._resp.plan_desc
def is_empty(self):
return self._data_set_wrapper is None or self._data_set_wrapper.get_row_size() == 0
def keys(self):
"""
get colNames
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_col_names()
def row_size(self):
"""
get one row size
"""
if self._data_set_wrapper is None:
return 0
return len(self._data_set_wrapper.get_rows())
def col_size(self):
"""
get one col size
"""
if self._data_set_wrapper is None:
return 0
return len(self._data_set_wrapper.get_col_names())
def get_row_types(self):
"""
Get row types
:param empty
:return: list<int>
ttypes.Value.__EMPTY__ = 0
ttypes.Value.NVAL = 1
ttypes.Value.BVAL = 2
ttypes.Value.IVAL = 3
ttypes.Value.FVAL = 4
ttypes.Value.SVAL = 5
ttypes.Value.DVAL = 6
ttypes.Value.TVAL = 7
ttypes.Value.DTVAL = 8
ttypes.Value.VVAL = 9
ttypes.Value.EVAL = 10
ttypes.Value.PVAL = 11
ttypes.Value.LVAL = 12
ttypes.Value.MVAL = 13
ttypes.Value.UVAL = 14
ttypes.Value.GVAL = 15
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_row_types()
def row_values(self, row_index):
"""
Get row values
:param index: the Record index
:return: list<ValueWrapper>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.row_values(row_index)
def column_values(self, key):
"""
get column values
:param key: the col name
:return: list<ValueWrapper>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.column_values(key)
def rows(self):
"""
get all rows
:return: list<Row>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_rows()
def __iter__(self):
return iter(self._data_set_wrapper)
def __repr__(self):
return "{}({})".format(self.__class__.__name__, self._data_set_wrapper)
def __eq__(self, other):
if not isinstance(other, self.__class__):
return False
return self.__dict__ == other.__dict__
def __ne__(self, other):
return not (self == other)
class ResultSet(object):
def __init__(self,
resp,
all_latency,
decode_type='utf-8',
timezone_offset: int = 0):
"""Constructor method
:param resp: the response from the service
:param all_latency: the execution time from the time the client
sends the request to the time the response is received and the data is decoded
:param decode_type: the decode_type for decode binary value, it comes from the service,
but now the service not return, use utf-8 default
:param timezone_offset: the timezone offset for calculate local time,
it comes from the service
"""
self._decode_type = decode_type
self._resp = resp
self._data_set_wrapper = None
self._all_latency = all_latency
self._timezone_offset = timezone_offset
if self._resp.data is not None:
self._data_set_wrapper = DataSetWrapper(
data_set=resp.data,
decode_type=self._decode_type,
timezone_offset=self._timezone_offset)
def is_succeeded(self):
"""check the response from the sesrvice is succeeded
:return: bool
"""
return self._resp.error_code == ErrorCode.SUCCEEDED
def error_code(self):
"""if the response is failed, the service return the error code
:return: nebula2.common.ttypes.ErrorCode
"""
return self._resp.error_code
def space_name(self):
"""get the space for the current operation
:return: space name or ''
"""
if self._resp.space_name is None:
return ''
return self._resp.space_name.decode(self._decode_type)
def error_msg(self):
"""if the response is failed, the service return the error message
:return: error message
"""
if self._resp.error_msg is None:
return ''
return self._resp.error_msg.decode(self._decode_type)
def comment(self):
"""the comment return by service, it maybe some warning message
:return: comment message
"""
if self._resp.error_msg is None:
return ''
return self._resp.comment.decode(self._decode_type)
def latency(self):
"""the time the server processes the request
:return: latency
"""
return self._resp.latency_in_us
def whole_latency(self):
"""the execution time from the time the client
sends the request to the time the response is received and the data is decoded
:return: all_latency
"""
return self._all_latency
def plan_desc(self):
"""get plan desc, whe user want to get the execute plan use `PROFILE` and `EXPLAIN`
:return:plan desc
"""
return self._resp.plan_desc
def is_empty(self):
"""the data of response is empty
:return: true of false
"""
return self._data_set_wrapper is None or self._data_set_wrapper.get_row_size(
) == 0
def keys(self):
"""get the column names
:return: column names
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_col_names()
def row_size(self):
"""get the row size
:return: row size
"""
if self._data_set_wrapper is None:
return 0
return len(self._data_set_wrapper.get_rows())
def col_size(self):
"""get column size
:return: column size
"""
if self._data_set_wrapper is None:
return 0
return len(self._data_set_wrapper.get_col_names())
def get_row_types(self):
"""get the value type of the row
:return: list<int>
ttypes.Value.__EMPTY__ = 0
ttypes.Value.NVAL = 1
ttypes.Value.BVAL = 2
ttypes.Value.IVAL = 3
ttypes.Value.FVAL = 4
ttypes.Value.SVAL = 5
ttypes.Value.DVAL = 6
ttypes.Value.TVAL = 7
ttypes.Value.DTVAL = 8
ttypes.Value.VVAL = 9
ttypes.Value.EVAL = 10
ttypes.Value.PVAL = 11
ttypes.Value.LVAL = 12
ttypes.Value.MVAL = 13
ttypes.Value.UVAL = 14
ttypes.Value.GVAL = 15
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_row_types()
def row_values(self, row_index):
"""get row values
:param row_index:
:return: list<ValueWrapper>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.row_values(row_index)
def column_values(self, key):
"""get column values
:param key: the specified column name
:return: list<ValueWrapper>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.column_values(key)
def rows(self):
"""get all rows
:return: list<Row>
"""
if self._data_set_wrapper is None:
return []
return self._data_set_wrapper.get_rows()
def __iter__(self):
"""the iterator for per row
:return: iter
"""
return iter(self._data_set_wrapper)
def __repr__(self):
return "{}({})".format(self.__class__.__name__, self._data_set_wrapper)
def __eq__(self, other):
if not isinstance(other, self.__class__):
return False
return self.__dict__ == other.__dict__
def __ne__(self, other):
return not (self == other)
def test_all(self):
data_set_warpper1 = DataSetWrapper(self.get_data_set())
data_set_warpper2 = DataSetWrapper(self.get_data_set())
# test iterator and compare
row_count = 0
for i in range(data_set_warpper1.get_row_size()):
row_count = row_count + 1
assert data_set_warpper1.row_values(
i)[0] == data_set_warpper2.row_values(i)[0]
assert data_set_warpper1.row_values(
i)[1] == data_set_warpper2.row_values(i)[1]
assert data_set_warpper1.row_values(
i)[2] == data_set_warpper2.row_values(i)[2]
assert data_set_warpper1.row_values(
i)[3] == data_set_warpper2.row_values(i)[3]
assert data_set_warpper1.row_values(
i)[4] == data_set_warpper2.row_values(i)[4]
assert data_set_warpper1.row_values(
i)[5] == data_set_warpper2.row_values(i)[5]
assert data_set_warpper1.row_values(
i)[6] == data_set_warpper2.row_values(i)[6]
assert data_set_warpper1.row_values(
i)[7] == data_set_warpper2.row_values(i)[7]
assert data_set_warpper1.row_values(
i)[8] == data_set_warpper2.row_values(i)[8]
assert data_set_warpper1.row_values(
i)[9] == data_set_warpper2.row_values(i)[9]
assert data_set_warpper1.row_values(
i)[10] == data_set_warpper2.row_values(i)[10]
assert data_set_warpper1.row_values(
i)[11] == data_set_warpper2.row_values(i)[11]
assert data_set_warpper1.row_values(
i)[12] == data_set_warpper2.row_values(i)[12]
assert data_set_warpper1.row_values(
i)[13] == data_set_warpper2.row_values(i)[13]
assert data_set_warpper1.row_values(
i)[14] == data_set_warpper2.row_values(i)[14]
assert data_set_warpper1.row_values(
i)[9] != data_set_warpper2.row_values(i)[8]
assert 2 == row_count
assert 2 == data_set_warpper1.get_row_size()
assert len(data_set_warpper1.column_values("col6_string")) == 2
assert data_set_warpper1.column_values("col6_string")[0].is_string()
assert data_set_warpper1.column_values(
"col6_string")[0].as_string() == 'hello world'
assert data_set_warpper1.column_values(
"col6_string")[1].as_string() == 'hello world'
assert data_set_warpper1.row_values(0)[5].is_string()
assert data_set_warpper1.row_values(1)[5].is_string()
assert data_set_warpper1.row_values(0)[5].as_string() == 'hello world'
assert data_set_warpper1.row_values(1)[5].as_string() == 'hello world'