xiedeyantu commented on code in PR #4733:
URL: https://github.com/apache/calcite/pull/4733#discussion_r2688385594
##########
core/src/test/resources/org/apache/calcite/test/SqlToRelConverterTest.xml:
##########
@@ -1892,15 +1892,15 @@ LogicalTableModify(table=[[CATALOG, SALES, EMP]],
operation=[DELETE], flattened=
</TestCase>
<TestCase name="testDistinctOrderByRand">
<Resource name="sql">
- <![CDATA[select distinct deptno, empno, 1, 'a' from emp order by rand(),
1]]>
+ <![CDATA[select distinct deptno, deptno, empno, 1, 'a' from emp order by
rand(), 1]]>
</Resource>
<Resource name="plan">
<![CDATA[
-LogicalProject(DEPTNO=[$0], EMPNO=[$1], EXPR$2=[$2], EXPR$3=[$3])
- LogicalSort(sort0=[$4], sort1=[$0], dir0=[ASC], dir1=[ASC])
- LogicalProject(DEPTNO=[$0], EMPNO=[$1], EXPR$2=[$2], EXPR$3=[$3],
EXPR$4=[RAND()])
+LogicalProject(DEPTNO=[$0], DEPTNO1=[$1], EMPNO=[$2], EXPR$2=[$3], EXPR$3=[$4])
+ LogicalSort(sort0=[$5], sort1=[$0], dir0=[ASC], dir1=[ASC])
+ LogicalProject(DEPTNO=[$0], DEPTNO0=[$0], EMPNO=[$1], EXPR$3=[$2],
EXPR$4=[$3], EXPR$5=[RAND()])
Review Comment:
What you said makes a lot of sense. I've also been thinking about whether we
need to handle the SQL to REL stage perfectly, as I'm unsure if the nesting
might be too deep. If you have this question, I can take another look.
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