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Posted to reviews@spark.apache.org by GitBox <gi...@apache.org> on 2022/10/13 23:15:55 UTC
[GitHub] [spark] amaliujia commented on a diff in pull request #38243: [SPARK-40534][CONNECT][FOLLOWUP] support all join types in python client
amaliujia commented on code in PR #38243:
URL: https://github.com/apache/spark/pull/38243#discussion_r995197709
##########
python/pyspark/sql/connect/plan.py:
##########
@@ -368,21 +368,45 @@ def __init__(
left: Optional["LogicalPlan"],
right: "LogicalPlan",
on: "ColumnOrString",
- how: proto.Join.JoinType.ValueType = proto.Join.JoinType.JOIN_TYPE_INNER,
+ how: Optional[str],
) -> None:
super().__init__(left)
self.left = cast(LogicalPlan, left)
self.right = right
self.on = on
if how is None:
- how = proto.Join.JoinType.JOIN_TYPE_INNER
- self.how = how
+ join_type = proto.Join.JoinType.JOIN_TYPE_INNER
+ elif how == "inner":
+ join_type = proto.Join.JoinType.JOIN_TYPE_INNER
+ elif how in ["outer", "full", "fullouter"]:
+ join_type = proto.Join.JoinType.JOIN_TYPE_FULL_OUTER
+ elif how in ["leftouter", "left"]:
+ join_type = proto.Join.JoinType.JOIN_TYPE_LEFT_OUTER
+ elif how in ["rightouter", "right"]:
+ join_type = proto.Join.JoinType.JOIN_TYPE_RIGHT_OUTER
+ elif how in ["leftsemi", "semi"]:
+ join_type = proto.Join.JoinType.JOIN_TYPE_LEFT_SEMI
+ elif how in ["leftanti", "anti"]:
+ join_type = proto.Join.JoinType.JOIN_TYPE_LEFT_ANTI
+ else:
Review Comment:
Note that in https://github.com/apache/spark/pull/38157 the feedback was to not support CROSS join so it is not listed here. Whenever it makes sense to have CROSS join then adding the support will be easy and fast.
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