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[SP-337] Remove null characters #69

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Sep 4, 2019
Merged

[SP-337] Remove null characters #69

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ba7c8c5
[SP-337] Move method to batch data loader
waltaro Sep 4, 2019
5f0c2b9
[SP-337] Update rdl/BatchDataLoader.py
waltaro Sep 4, 2019
3333c69
[SP-337] Update rdl/BatchDataLoader.py
waltaro Sep 4, 2019
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4 changes: 4 additions & 0 deletions rdl/BatchDataLoader.py
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,10 @@ def load_batch(self, batch_key_tracker):
batch_key_tracker.has_more_data = False
return

# replacing unicode null characters because postgres doesn't support null characters in text fields
# https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.DataFrame.replace.html
data_frame = data_frame.replace(regex=r"\x00", value="")

data_frame = self.attach_column_transformers(data_frame)
self.write_data_frame_to_table(data_frame)
batch_tracker.load_completed_successfully()
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4 changes: 1 addition & 3 deletions rdl/data_sources/AWSLambdaDataSource.py
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Expand Up @@ -141,9 +141,7 @@ def __get_table_data(
return result["ColumnNames"], data

def __get_data_frame(self, data: [[]], column_names: []):
return pandas.DataFrame(data=data, columns=column_names).replace(
regex=r"\x00", value=""
)
return pandas.DataFrame(data=data, columns=column_names)

def __invoke_lambda(self, pay_load):
self.logger.debug("\nRequest being sent to Lambda:")
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