goldmedal commented on code in PR #13129:
URL: https://github.com/apache/datafusion/pull/13129#discussion_r1818112492
##########
datafusion/sql/src/unparser/expr.rs:
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@@ -1340,6 +1341,29 @@ impl Unparser<'_> {
}
}
+ /// Converts an UNNEST operation to an AST expression by wrapping it as a
function call,
+ /// since there is no direct representation for UNNEST in the AST.
Review Comment:
It makes sense to me. On the SQL parser side, it also uses a function call
to present UNNEST.
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