def render(self, params: Dict[str, Any],
fetch_result: Optional[FetchResult]):
with tempfile_context(prefix="output-",
suffix=".arrow") as output_path:
errors = render(ArrowTable(),
params,
output_path,
fetch_result=fetch_result)
arrow_table = ArrowTable.from_arrow_file_with_inferred_metadata(
output_path)
yield RenderResult(arrow_table,
[RenderError(I18nMessage(*e)) for e in errors])
def _render_deprecated_parquet(
input_path: Path,
errors: List[RenderError],
output_path: Path,
params: Dict[str, Any],
) -> RenderResult:
parquet.convert_parquet_file_to_arrow_file(input_path, output_path)
result = RenderResult(
ArrowTable.from_arrow_file_with_inferred_metadata(output_path), errors)
if result.table.metadata.n_rows > 0 and not params["has_header"]:
pandas_result = ProcessResult.from_arrow(result)
dataframe = moduleutils.turn_header_into_first_row(
pandas_result.dataframe)
return ProcessResult(dataframe).to_arrow(output_path)
return result
