alamb commented on code in PR #8553:
URL: https://github.com/apache/arrow-datafusion/pull/8553#discussion_r1427897309
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datafusion/physical-plan/src/placeholder_row.rs:
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@@ -75,6 +74,8 @@ impl PlaceholderRowExec {
ret
})
.collect(),
+ // Even if column number is empty we can generate single row.
Review Comment:
👍
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