zhengruifeng commented on code in PR #39925:
URL: https://github.com/apache/spark/pull/39925#discussion_r1103955391
##########
python/pyspark/sql/connect/dataframe.py:
##########
@@ -1280,10 +1281,12 @@ def __getitem__(self, item: Union[int, str, Column,
List, Tuple]) -> Union[Colum
if isinstance(item, str):
# Check for alias
alias = self._get_alias()
- if alias is not None:
- return col(alias)
- else:
- return col(item)
+ if self._plan is None:
+ raise Exception("Cannot analyze on empty plan.")
Review Comment:
done
##########
python/pyspark/sql/connect/plan.py:
##########
@@ -40,13 +42,29 @@ class InputValidationError(Exception):
pass
-class LogicalPlan(object):
+class LogicalPlan:
+
+ _lock: Lock = Lock()
+ _nextPlanId: int = 0
INDENT = 2
def __init__(self, child: Optional["LogicalPlan"]) -> None:
self._child = child
+ plan_id: Optional[int] = None
+ with LogicalPlan._lock:
+ plan_id = LogicalPlan._nextPlanId
+ LogicalPlan._nextPlanId += 1
+
+ assert plan_id is not None
+ self._plan_id = plan_id
+
+ def _create_proto_with_plan_id(self) -> proto.Relation:
Review Comment:
done
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