cloud-fan commented on a change in pull request #31613:
URL: https://github.com/apache/spark/pull/31613#discussion_r581326404
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File path: sql/core/src/test/resources/sql-tests/results/postgreSQL/join.sql.out
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@@ -3225,7 +3225,7 @@ select * from
struct<>
-- !query output
org.apache.spark.sql.AnalysisException
-Reference 'f1' is ambiguous, could be: j.f1, j.f1.; line 2 pos 63
+Reference 'f1' is ambiguous, could be: j.f1#x, j.f1#x.; line 2 pos 63
Review comment:
Adding the attr ID doesn't seem to help much. Users still don't know how
to fix the query (is it un-fixable?).
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