mihaibudiu commented on code in PR #5271:
URL: https://github.com/apache/calcite/pull/5271#discussion_r4039710877
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core/src/main/java/org/apache/calcite/sql/validate/AliasNamespace.java:
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@@ -162,6 +163,22 @@ protected AliasNamespace(
}
}
+ /**
+ * Returns whether an UNNEST call's array operand has a struct element type.
Review Comment:
beware that unnest has two semantics, depending on conformance: the Trino
semantics does not create a column for each ROW column, and the standard
semantics does.
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