grundprinzip commented on code in PR #38984:
URL: https://github.com/apache/spark/pull/38984#discussion_r1051535005
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python/pyspark/sql/connect/plan.py:
##########
@@ -343,6 +343,53 @@ def _repr_html_(self) -> str:
"""
+class Hint(LogicalPlan):
+ """Logical plan object for a Hint operation."""
+
+ def __init__(self, child: Optional["LogicalPlan"], name: str, params:
List[Any]) -> None:
+ super().__init__(child)
+ self.name = name
+ self.params = params
+
+ def _convert_value(self, v: Any) -> proto.Expression.Literal:
+ value = proto.Expression.Literal()
+ if v is None:
+ value.null = True
+ elif isinstance(v, int):
+ value.integer = v
+ elif isinstance(v, str):
+ value.string = v
+ else:
+ raise ValueError(f"Could not convert literal for type {type(v)}")
+ return value
+
+ def plan(self, session: "SparkConnectClient") -> proto.Relation:
+ assert self._child is not None
+ plan = proto.Relation()
+ plan.hint.input.CopyFrom(self._child.plan(session))
+ plan.hint.name = self.name
+ for v in self.params:
+ param = proto.Expression.Literal()
+ param.CopyFrom(self._convert_value(v))
+ plan.hint.parameters.append(param)
Review Comment:
```suggestion
plan.hint.parameters.append(self._convert_value(v))
```
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