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Convert lists and dicts to str in parquet #206

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Sep 19, 2024
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Convert lists and dicts to str in parquet #206

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7 changes: 6 additions & 1 deletion plaidcloud/utilities/query.py
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import uuid
import unicodecsv as csv

import pyarrow as pa
import pandas as pd
import numpy as np
import requests
Expand All @@ -21,7 +22,7 @@
from plaidcloud.utilities.remote.dimension import Dimensions

__author__ = 'Paul Morel'
__copyright__ = 'Copyright 2010-2021, Tartan Solutions, Inc'
__copyright__ = 'Copyright 2010-2024, Tartan Solutions, Inc'
__credits__ = ['Paul Morel']
__license__ = 'Apache 2.0'
__maintainer__ = 'Paul Morel'
Expand Down Expand Up @@ -496,6 +497,10 @@ def bulk_insert_dataframe(self, table_object, df, append=False, chunk_size=50000
load_type='parquet',
)
if data_load:
schema = pa.Schema.from_pandas(df)
for col in schema:
if isinstance(col.type, (pa.ListType, pa.StructType)):
df[col.name] = df[col.name].map(str)
with tempfile.NamedTemporaryFile(mode='wb+') as pq_file:
df.to_parquet(pq_file)
# upload the file
Expand Down
5 changes: 3 additions & 2 deletions requirements.txt
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Expand Up @@ -6,12 +6,13 @@ ipython
numpy
pandas
plaidcloud-rpc@git+https://github.com/PlaidCloud/[email protected]#egg=plaidcloud-rpc
pyyaml
pyarrow
PyYAML
requests
setuptools
orjson
openpyxl
sqlalchemy~=1.4
SQLAlchemy~=1.4
sqlalchemy-greenplum
sqlalchemy-hana
texttable
Expand Down
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