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add transform for df #1734

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merged 1 commit into from
Dec 14, 2022
Merged

add transform for df #1734

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8 changes: 7 additions & 1 deletion nvtabular/workflow/workflow.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,7 +30,7 @@
import pandas as pd

from merlin.dag import Graph
from merlin.dag.executors import DaskExecutor
from merlin.dag.executors import DaskExecutor, LocalExecutor
from merlin.io import Dataset
from merlin.schema import Schema
from nvtabular.ops import StatOperator
Expand Down Expand Up @@ -249,6 +249,12 @@ def _transform_impl(self, dataset: Dataset, capture_dtypes=False):
schema=self.output_schema,
)

def _transform_df(self, df):
if not self.graph.output_schema:
raise ValueError("no output schema")

return LocalExecutor().transform(df, self.output_node, self.output_dtypes)

def save(self, path):
"""Save this workflow to disk

Expand Down