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fix: convert pandas Timestamp to Snowflake-compatible string in write_pandas (closes #991) #4316

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fix: convert pandas Timestamp to Snowflake-compatible string in write_pandas (closes #991) #4316

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5 changes: 4 additions & 1 deletion src/snowflake/snowpark/mock/_pandas_util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,10 @@ def _extract_schema_and_data_from_pandas_df(
elif isinstance(plain_data[row_idx][col_idx], pd.Timestamp):
if isinstance(data.dtypes.iloc[col_idx], pd.DatetimeTZDtype):
# this is to align with the current snowflake behavior that it
# apply the tz diff to time and then removes the tz information during ingestion
# apply the tz diff to time and then removes the tz information d
plain_data[row_idx][col_idx] = plain_data[row_idx][col_idx].tz_convert('UTC').tz_localize(None).strftime('%Y-%m-%d %H:%M:%S.%f')
else:
plain_data[row_idx][col_idx] = plain_data[row_idx][col_idx].strftime('%Y-%m-%d %H:%M:%S.%f')uring ingestion
plain_data[row_idx][col_idx] = (
plain_data[row_idx][col_idx]
.tz_convert("UTC")
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