HuSen8891 commented on code in PR #12467:
URL: https://github.com/apache/datafusion/pull/12467#discussion_r1766189044
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datafusion/common/src/dfschema.rs:
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@@ -412,17 +412,32 @@ impl DFSchema {
}
}
+ /// Check whether the column reference is ambiguous
+ pub fn check_ambiguous_name(
Review Comment:
Is column reference 't1.v1' ambiguous in below query ?
`select t1.v1 from t1 join t1 using(v1) cross join (select struct('foo' as
v1) as t1);`
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