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perf: add size parameter for load table from dataframe and json methods #280

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HemangChothani merged 8 commits into from
Oct 14, 2020
Merged

perf: add size parameter for load table from dataframe and json methods #280

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4158bcb
feat: add size parameter for load from dataframe and json
HemangChothani Sep 29, 2020
321d977
pref: calculate length of encoded string
HemangChothani Sep 30, 2020
1b36189
pref: resolve conflict
HemangChothani Oct 5, 2020
c0d08c0
Merge branch 'master' of https://github.com/googleapis/python-bigquer…
HemangChothani Oct 5, 2020
147db35
Merge branch 'master' of https://github.com/googleapis/python-bigquer…
HemangChothani Oct 7, 2020
b5e6a89
fix: conflict resolved
HemangChothani Oct 13, 2020
50c3c44
Merge branch 'master' of https://github.com/googleapis/python-bigquer…
HemangChothani Oct 13, 2020
017c732
Merge branch 'master' of https://github.com/googleapis/python-bigquer…
HemangChothani Oct 14, 2020
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7 changes: 5 additions & 2 deletions google/cloud/bigquery/client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2258,11 +2258,13 @@ def load_table_from_dataframe(
dataframe.to_parquet(tmppath, compression=parquet_compression)

with open(tmppath, "rb") as parquet_file:
file_size = os.path.getsize(tmppath)
return self.load_table_from_file(
parquet_file,
destination,
num_retries=num_retries,
rewind=True,
size=file_size,
job_id=job_id,
job_id_prefix=job_id_prefix,
location=location,
Expand Down Expand Up @@ -2364,11 +2366,12 @@ def load_table_from_json(
destination = _table_arg_to_table_ref(destination, default_project=self.project)

data_str = u"\n".join(json.dumps(item) for item in json_rows)
data_file = io.BytesIO(data_str.encode())

encoded_str = data_str.encode()
data_file = io.BytesIO(encoded_str)
return self.load_table_from_file(
data_file,
destination,
size=len(encoded_str),
num_retries=num_retries,
job_id=job_id,
job_id_prefix=job_id_prefix,
Expand Down
16 changes: 16 additions & 0 deletions tests/unit/test_client.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7486,6 +7486,7 @@ def test_load_table_from_dataframe(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=None,
Expand Down Expand Up @@ -7529,6 +7530,7 @@ def test_load_table_from_dataframe_w_client_location(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7581,6 +7583,7 @@ def test_load_table_from_dataframe_w_custom_job_config_wihtout_source_format(sel
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7635,6 +7638,7 @@ def test_load_table_from_dataframe_w_custom_job_config_w_source_format(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7727,6 +7731,7 @@ def test_load_table_from_dataframe_w_automatic_schema(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7786,6 +7791,7 @@ def test_load_table_from_dataframe_w_index_and_auto_schema(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7831,6 +7837,7 @@ def test_load_table_from_dataframe_unknown_table(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=None,
Expand Down Expand Up @@ -7945,6 +7952,7 @@ def test_load_table_from_dataframe_w_nullable_int64_datatype(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -7991,6 +7999,7 @@ def test_load_table_from_dataframe_w_nullable_int64_datatype_automatic_schema(se
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8065,6 +8074,7 @@ def test_load_table_from_dataframe_struct_fields(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8138,6 +8148,7 @@ def test_load_table_from_dataframe_w_partial_schema(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8232,6 +8243,7 @@ def test_load_table_from_dataframe_w_partial_schema_missing_types(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8288,6 +8300,7 @@ def test_load_table_from_dataframe_w_schema_wo_pyarrow(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8403,6 +8416,7 @@ def test_load_table_from_dataframe_w_nulls(self):
self.TABLE_REF,
num_retries=_DEFAULT_NUM_RETRIES,
rewind=True,
size=mock.ANY,
job_id=mock.ANY,
job_id_prefix=None,
location=self.LOCATION,
Expand Down Expand Up @@ -8454,6 +8468,7 @@ def test_load_table_from_json_basic_use(self):
client,
mock.ANY,
self.TABLE_REF,
size=mock.ANY,
num_retries=_DEFAULT_NUM_RETRIES,
job_id=mock.ANY,
job_id_prefix=None,
Expand Down Expand Up @@ -8505,6 +8520,7 @@ def test_load_table_from_json_non_default_args(self):
client,
mock.ANY,
self.TABLE_REF,
size=mock.ANY,
num_retries=_DEFAULT_NUM_RETRIES,
job_id=mock.ANY,
job_id_prefix=None,
Expand Down