allisonwang-db commented on code in PR #45486:
URL: https://github.com/apache/spark/pull/45486#discussion_r1534794771
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python/pyspark/sql/connect/plan.py:
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@@ -2408,6 +2408,46 @@ def __repr__(self) -> str:
return f"{self._function_name}({', '.join([str(arg) for arg in
self._arguments])})"
+class PythonDataSource:
+ """Represents a user-defined Python data source."""
+ def __init__(self, data_source: Type, python_ver: str):
+ self._data_source = data_source
+ self._python_ver = python_ver
+
+ def to_plan(self, session: "SparkConnectClient") -> proto.PythonDataSource:
+ ds = proto.PythonDataSource()
+ ds.command = CloudPickleSerializer().dumps(self._data_source)
+ ds.python_ver = self._python_ver
+ return ds
+
+
+class CommonInlineUserDefinedDataSource(LogicalPlan):
+ """Logical plan object for a user-defined data source"""
+
+ def __init__(self, name: str, data_source: PythonDataSource) -> None:
+ super().__init__(None)
+ self._name = name
+ self._data_source = data_source
+
+ def plan(self, session: "SparkConnectClient") -> proto.Relation:
+ plan = self._create_proto_relation()
+ plan.common_inline_user_defined_data_source.name = self._name
+
plan.common_inline_user_defined_data_source.python_data_source.CopyFrom(
+ self._data_source.to_plan(session)
+ )
+ return plan
+
+ def to_data_source_proto(
+ self, session: "SparkConnectClient"
+ ) -> "proto.CommonInlineUserDefinedDataSource":
+ plan = proto.CommonInlineUserDefinedDataSource()
+ plan.name = self._name
+ plan.python_data_source.CopyFrom(
+ cast(proto.PythonDataSource, self._data_source.to_plan(session))
# type: ignore[arg-type]
Review Comment:
Good catch I think we don't need this cast here.
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