[branch-52] fix: HashJoin panic with String dictionary keys (don't flatten keys) (#20505) - #20708

[branch-52] fix: HashJoin panic with String dictionary keys (don't flatten keys) (#20505)#20708

alamb merged 2 commits into

apache:branch-52apache/datafusion:branch-52from

alamb:alamb/backport_20505alamb/datafusion:alamb/backport_20505Copy head branch name to clipboard