semi anti join 是否可以支持

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#287 opened on Mar 27, 2020 2 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 5/5
Estimated time: Over a week
Newbie friendliness: 25/100

Issue type: Feature
Clarity: Needs clarification
Activity status: Stale
Tech stack: java, sql
Domain: databases, stream-processing

Research direction

The issue names no files, tests, or entry points. Begin by locating the existing SQL join support and its tests, then determine the expected semantics and coverage for semi and anti joins; done means the supported syntax and behavior are specified and verified.

Written by the indexing model from the issue text.

Description

如题，半关联的方式目前能否支持

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Dominant language: Java
Stars: 2k
Forks: 913
PR merge metrics: No merged PRs in 30d

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