def to_pandas_df()

in datafusion/pandas.py [0:0]

• 12 lines of code
• 6 McCabe index (conditional complexity)

    def to_pandas_df(self, plan):
        # recurse down first to translate inputs into pandas data frames
        inputs = [self.to_pandas_df(x) for x in plan.inputs()]

        # get Python wrapper for logical operator node
        node = plan.to_variant()

        if isinstance(node, Projection):
            args = [self.to_pandas_expr(expr) for expr in node.projections()]
            return inputs[0][args]
        elif isinstance(node, TableScan):
            return pd.read_parquet(self.parquet_tables[node.table_name()])
        else:
            raise Exception(
                "unsupported logical operator: {}".format(type(node))
            )