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Feat/pandas reader parquet #429

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merged 7 commits into from
Oct 4, 2023
Merged

Feat/pandas reader parquet #429

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9ca9561
feat(parquet): implemented and tested the writer for pandas parquet
flaviassantos Oct 3, 2023
b4457e9
feat(parquet): implemented and tested the reader for pandas parquet
flaviassantos Oct 3, 2023
447327d
feat(parquet): added to the pandas materializer example showing writi…
flaviassantos Oct 3, 2023
3fd6f6d
feat(parquet): added to the my_script in pandas materializer example …
flaviassantos Oct 3, 2023
7b09999
feat(parquet): added an extra_kwargs dictionary to the PandasParquetW…
flaviassantos Oct 3, 2023
288f3f5
feat(parquet): added conditional dtype_backend support for PandasParq…
flaviassantos Oct 3, 2023
6d1e39f
feat(parquet): updates unit test with assert_frame_equal usage
flaviassantos Oct 3, 2023
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8 changes: 8 additions & 0 deletions examples/pandas/materialization/my_script.py
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,12 @@
path="./df.feather",
combine=df_builder,
),
to.parquet(
dependencies=output_columns,
id="df_to_parquet",
path="./df.parquet.gzip",
combine=df_builder,
),
]
# Visualize what is happening
dr.visualize_materialization(
Expand All @@ -110,6 +116,7 @@
"df_to_html_build_result",
"df_to_stata_build_result",
"df_to_feather_build_result",
"df_to_parquet_build_result",
], # because combine is used, we can get that result here.
inputs=initial_columns,
)
Expand All @@ -121,5 +128,6 @@
print(additional_outputs["df_to_html_build_result"])
print(additional_outputs["df_to_stata_build_result"])
print(additional_outputs["df_to_feather_build_result"])
print(additional_outputs["df_to_parquet_build_result"])

conn.close()
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