Reuse hash table from group by to implement checking input rows on one side of the join against the set of keys appearing on the other side of the join. 

Reporter: Michal Nowakiewicz / @michalursa
Assignee: Niranda Perera / @nirandaperera

Related issues:

• [C++] Query engine umbrella issue (is a child of)
• [C++][Compute] Implement many-to-many inner hash join (relates to)
• [C++][Compute] Add Find method to Grouper (is related to)

PRs and other links:

• GitHub Pull Request #10808
• GitHub Pull Request #10845
• GitHub Pull Request #10948

_{Note: This issue was originally created as ARROW-13268. Please see the migration documentation for further details.}