apache/beam

Do not convert a join that we cannot support

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#18,277 创建于 2022年6月3日

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The BeamJoinRule matches all LogicalJoin operators. If we make it not match a full join then Calcite should look for a different plan when it converts to BeamLogicalConvention. That is a good step to make sure we can support things and also force the logical optimizer to choose non-full joins.

Imported from Jira BEAM-4439. Original Jira may contain additional context. Reported by: kenn. Subtask of issue #18276

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